- Neurotensin(8–13) analogs as dual NTS1 and NTS2 receptor ligands with enhanced effects on a mouse model of Parkinson’s disease. T.Kühl, M.G.Georgieva, H.Hübner, M.Lazarova, M.Vogel, B.Haas, M.I.Peeva, A.A.Balacheva, I.P.Bogdanov, L.Milella, M.Ponticelli, T.Garev, I.Faraone, R.Detcheva, B.Minchev, P.Petkova-Kirova, L.Tancheva, R.Kalfin, A.G.Atanasov, L.Antonov, T.I.Pajpanova, K.Kirilov, M.Gastreich, P.Gmeiner, D.Imhof & N.T.Tzvetkov; European Journal of Medicinal Chemistry, 254, art. 115386 (2023)
- Favipiravir — Tautomeric and Complexation Properties in Solution. V.Deneva, S.Slavova, A.Kumanova, N.Vassilev, D.Nedeltcheva-Antonova & L.Antonov; Pharmaceuticals, 16, art. 45 (2023)
- Structure and Conformational Mobility of OLED-Relevant 1,3,5-Triazine Derivatives. G.M.Dobrikov, Y.Nikolova, I.Slavchev, M.Dangalov, V.Deneva, L.Antonov & N.G.Vassilev; Molecules, 28, art. 1248 (2023)
- Long-Range Proton Transfer in 7-Hydroxy-Quinoline-Based Azomethine Dyes: A Hidden Reason for the Low Efficiency. M.F.Rode, D.Nedeltcheva-Antonova & L.Antonov; Molecules, 27, art. 8225 (2022)
- Exploring the Chemical Composition of Bulgarian Lavender Absolute (Lavandula angustifolia Mill.) by GC/MS and GC-FID. D.Nedeltcheva-Antonova, K.Gechovska, S.Bozhanov & L.Antonov; Plants, 11, art. 3150 (2022)
- Solvent-Triggered Long-Range Proton Transport in 7-Hydroxyquinoline Using a Sulfonamide Transporter Group. K.Nakashima, A.Georgiev, D.Yordanov, Y.Matsushima, S. Hirashima, T.Miura & L.Antonov; Journal of Organic Chemistry, 87, 6794–6806 (2022)
- Benzothiazol picolin/isonicotinamides molecular switches: Expectations and reality. A.Georgiev, V.Deneva, D.Yordanov, T.Völzer, S.Wolter, F.Fennel, S.Lochbrunner & L.Antonov; Journal of Molecular Liquids, 356, art. 118968 (2022)
- Unusual Para-Substituent Effects on the Intramolecular Hydrogen Bond in Hydrazone-Based Switches: Insights from Chemical Landscape Analysis and DFT Calculations. V.Paskaleva, S.Dobrev, N.Kochev, S.Angelova & L.Antonov; Physchem, 1, 189-201 (2021)
- 7-OH quinoline Schiff bases: are they the long awaited tautomeric bistable switches? A.Georgiev, D.Yordanov, N.Ivanova, V.Deneva, N.Vassilev, F.S.Kamounah, M.Pittelkow, A.Crochet, K.M.Fromm & L.Antonov; Dyes and Pigments, 195, art. 109739 (2021)
- Subcritical Extracts from Major Species of Oil-Bearing Roses – A Comparative Chemical Profiling. A.Dobreva, D.Nedeltcheva-Antonova, N.Nenov, K.Getchovska & L.Antonov; Molecules, 26, art. 4991 (2021)
- Acylhydrazone Sub-Units as a Proton Cargo Delivery System in 7-Hydroxyquinoline. K.Nakashima, A.Petek, Y.Hori, A.Georgiev, S.Hirashima, Y.Matsushima, D.Yordanov, T.Miura & L.Antonov; Chemistry – A European Journal, 27, 11559-11566 (2021)
- А singe isomer rotary switch demonstrating anti-Kasha behaviour: Does acidity function matter? A.Georgiev, D.Yordanov, N.Vassilev, V.Deneva, D.Nedeltcheva, I.Angelov & L.Antonov; Physical Chemistry Chemical Physics, 23, 13760–13767 (2021)
- Excited-state intramolecular proton transfer: s short introductory review. H.C.Joshi & L.Antonov; Molecules, 26, art. 1475 (2021)
- Tautomeric influence on the photoinduced birefringence of 4-substituted phthalimide 2-hydroxy Schiff bases in PMMA matrix. B.Blagoeva, A.Stoilova, D.Dimov, D.Yordanov, D.Nazarova, A.Georgiev & L.Antonov; Photochemical & Photobiological Sciences, 20, 687–697 (2021)
- 4-OH coumarin based rotary switches: Tautomeric state and effect of the stator. D.Yordanov, V.Deneva, A.Georgiev, N.Vassilev, M.Vala, I.Zhivkov & L.Antonov; Dyes and Pigments, 184, art. 108861 (2021)
- Chemical profile and sensory evaluation of Bulgarian rose (Rosa damascena Mill.) aroma products, isolated by different techniques. D.Antonova, Y.Medarska, A.Stoyanova, N.Nenov, A.Slavov & L.Antonov; Journal of Essential Oil Research, 33, 171-181 (2021)
- 8-(Pyridin-2-yl)quinolin-7-ol as a platform for conjugated proton cranes: A DFT structural design. A.Georgiev & L.Antonov; Micromachines, 11, art. 901 (2020)
- Favipiravir tautomerism: a theoretical insight. L.Antonov; Theoretical Chemistry Accounts, 139, art. 145 (2020)
- OH Group Effect in the Stator of β-Diketones Arylhydrazone Rotary Switches. S.Hristova, F.S.Kamounah, A.Crochet, N.Vassilev, K.M.Fromm & L.Antonov; Chemistry (MDPI), 2, 374–389 (2020)
- Tautomerism in 8-(phenyldiazenyl)quinolin-5-ol: An attempt for pH activated rotary switch. J.Lađarević, D.Mijin & L.Antonov; Dyes and Pigments, 182, art. 108628 (2020)
- Indirect solvent assisted tautomerism in 4-substituted phthalimide 2-hydroxy-Schiff bases. D.Yordanov, V.Deneva, A.Georgiev, A.Crochet, K.M. Fromm & L.Antonov; Spectrochimica Acta, 237A, art. 118416 (2020)
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Chercher de l’eau: The switching mechanism of the rotary switch ethyl-2-(2-(quinolin-8-yl)hydrazono)-2-(pyridin-2-yl)acetate. V.Deneva, N.G.Vassilev, S.Hristova, D.Yordanov, Y.Hayashi, S.Kawauchi, F.Fennel, T.Völzer, S.Lochbrunner & L.Antonov; Computational Materials Science, 177, art. 109570 (2020).
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New insights into coordination chemistry of Monensin A towards divalent metal ions. I.Pantcheva, A.Nedzhib, B.Gyurcsik & P.Dorkov; Inorganica Chimica Acta, 505, art. 119481 (2020).
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Tautomerism and Self-Association in the Solution of New Pinene-Bipyridine and Pinene-Phenanthroline Derivatives. A.B.Solea, I.Cornu, V.Deneva, A.Crochet, K.M.Fromm, L.Antonov, C.Allemann & O.Mamula; Molecules, 25, art. 298 (2020).
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Using Raman Spectroscopy as a Fast Tool to Classify and Analyze Bulgarian Wines — A Feasibility Study. V.Deneva, I.Bakardzhiyski, K.Bambalov, D.Antonova, D.Tsobanova, V.Bambalov, D.Cozzolino & L.Antonov; Molecules, 25, art. 170 (2020).
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Tautomerism as primary signaling mechanism in metal sensing: the case of amide group. V.Deneva, G.Dobrikov, A.Crochet, D.Nedeltcheva, K.M.Fromm & L.Antonov; Beilstein Journal of Organic Chemistry, 15, 1898 (2019).
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Carboxamides vs. methanimines: Crystal structures, binding interactions, photophysical studies, and biological evaluation of (indazole-5-yl)methanimines as monoamine oxidase B and acetylcholinesterase inhibitors. N.T.Tzvetkov, H.-G.Stammler, M.Georgieva, D.Russo, N.Faraone, A.Balacheva, S.Hristova, A.G.Atanasov L.Milella, L.Antonov & M.Gastereich; European Journal of Medicinal Chemistry, 179, 404 (2019).
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Interplay between Conformational and Solvent Effects in UV-Visible Absorption Spectra: Curcumin Tautomers as Case Study. A.Puglisi, T.Giovannini, L.Antonov & C.Cappelli; Physical Chemistry Chemical Physics, 21, 15504 (2019).
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Tautomerism in azo and azomethyne dyes: When and if theory meets experiment. L.Antonov; Molecules, 24, art. 2252 (2019).
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Isomerization and aggregation of 2-(2-(2-hydroxy-4-nitrophenyl) hydrazono)-1-phenylbutane-1,3-dione: Recent evidences from theory and experiment. S.Hristova, F.S.Kamounah, A.Crochet, P.E.Hansen, K.M.Fromm, D.Nedeltcheva & L.Antonov; Journal of Molecular Liquids, 283, 242 (2019).
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Tautomerism in azo dyes: border cases of azo and hydrazo tautomers as possible NMR reference compounds. V.Deneva, A.Lycka, S.Hristova, A.Crochet, K.M.Fromm & L.Antonov; Dyes and Pigments, 165, 157 (2019).
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Attaching tweezers like ionophore to a proton crane: theoretical design of new tautomeric sensors. V.Deneva & L.Antonov; Molecular Physics, 117, 1613 (2019).
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DFT study of hydrazone-based molecular switches: the effect of different stators on the on/off state distribution. S.Angelova, V.Paskaleva, N.Kochev & L.Antonov; Molecular Physics, 117, 1604 (2019).
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Quantitative Characterization of Arnicae flos by RP-HPLC-UV and NIR Spectroscopy. D.Ivanova, V.Deneva, D.Zheleva-Dimitrova, V.Balabanova-Bozushka, D.Nedeltcheva, R.Gevrenova & L.Antonov; Foods, 8, art. 9 (2019).
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(Pyrrolo-pyridin-5-yl)benzamides: BBB permeable monoamine oxidase B inhibitors with neuroprotective effect on cortical neurons. N.T.Tzvetkov, H.-G.Stammler, S.Hristova, A.G.Atanasov & L.Antonov; European Journal of Medicinal Chemistry, 162, 793 (2019).
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Comment on “Learning To Read Spectra: Teaching Decomposition with Excel in a Scientific Writing Course”. L.Antonov; Journal of Chemical Education, 95, 1679 (2018).
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A concept for stimulated proton transfer in 1-(phenyldiazenyl)naphthalen-2-ols. S.Hristova, V.Deneva, M.Pittelkow, A.Crochet, F.S.Kamounah, K.M.Fromm, P.E.Hansen & L.Antonov; Dyes and Pigments, 156, 91 (2018).
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Oxime-containing acetylcholinesterase reactivators and their complexes with Pd(II) and Pt(II) ions: recent developments. I.Pantcheva, A.Nedzhib & L.Antonov; Turkish Journal of Chemistry, 42, 418 (2018).
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Molecular insight into inclusion complex formation of curcumin and calix[4]arene. S.Angelova & L.Antonov; ChemistrySelect, 2, 9653 (2017).
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Dynamics of Excited State Proton Transfer in Nitro Substituted 10-Hydroxybenzo[h]quinolines. H.Marciniak, S.Hristova, V.Deneva, F.S.Kamounah, P.E.Hansen, S.Lochbrunner & L.Antonov; Physical Chemistry Chemical Physics, 19, 26621 (2017).
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The possible tautomerism of the potential rotary switch 2-(2-(2-Hydroxy-4-nitrophenyl)hydrazono)-1-phenylbutane-1,3-dione. S.Hristova, F.S.Kamounah, N.Molla, P.E.Hansen, D.Nedeltcheva & L.Antonov; Dyes and Pigments, 144, 249 (2017).
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Solvent Control of the Intramolecular Proton Transfer: Is 4-Hydroxy-3-(piperidin-1-ylmethyl)-1-naphthaldehyde a proton crane? Y.Manolova, H.Marciniak, S.Tschierlei, F.Fennel, F.S.Kamounah, S.Lochbrunner & L.Antonov; Physical Chemistry Chemical Physics, 19, 7316 (2017).
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An alternative for the calculation of derivative spectra in the near-infrared spectroscopy. L.Antonov; Journal of Near Infrared Spectroscopy, 25, 145 (2017).
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The effect of path length on the measurement accuracies of wine chemical parameters by UV, visible and near infrared spectroscopy. N.Molla, I.Bakardzhiyski, Y.Manolova, V.Bambalov, D.Cozzolino & L.Antonov; Food Analytical Methods, 10, 1156 (2017).
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Crystal structures, binding interactions, and ADME evaluation of brain penetrant N-substituted indazole-5-carboxamides as subnanomolar, selective monoamine oxidase B and dual MAO-A/B inhibitors. N.T.Tzvetkov, H.-G.Stammler, B.Neumann, S.Hristova, L.Antonov & M.Gastreich; European Journal of Medicinal Chemistry, 127, 470 (2017).
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Subnanomolar indazole-5-carboxamide inhibitors of monoamine oxidase B (MAO-B) continued: indications of iron binding, experimental evidence for optimised solubility and brain penetration. N.T.Tzvetkov & L.Antonov; Journal of Enzyme Inhibition and Medicinal Chemistry, 32, 960 (2017).
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95. Tautomerism of N-(3,4-dichlorophenyl)-1H-indazole-5-carboxamide – a new selective, highly potent and reversible MAO-B inhibitor. N.T.Tzvetkov, H.-G.Stammler & L.Antonov; Journal of Molecular Structure, 1149, 273 (2017).
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4-Carboxyl-2,6-dinitrophenylazohydroxynaphthalenes tautomerism NMR re-explained and other methods verified. S.Hristova, S.Angelova, P.E.Hansen & L.Antonov; Dyes and Pigments, 142, 226 (2017).
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4-Carboxyl-2,6-dinitrophenylazohydroxynaphthalenes tautomerism theoretically re-explained. Y.Manolova, D.Nedeltcheva & L.Antonov; Dyes and Pigments, 136, 663 (2017).
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Chemical profiling of Bulgarian rose absolute (Rosa damascena Mill.) using gas chromatography-mass spectrometry and trimethylsilyl derivatives. D.Nedeltcheva-Antonova, P.Stoicheva & L.Antonov; Industrial Crops and Products, 108, 36 (2017).
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Insight into the aroma profile of Bulgarian tobacco absolute oil. D.Nedeltcheva-Antonova, D.Ivanova, L.Antonov & I.Abe; Industrial Crops and Products, 94, 226 (2016).
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A simple approach to multifunctionalized N1-alkylated 7-amino-6-azaoxindole derivatives using their in situ stabilized tautomer form. N.T.Tzvetkov, B.Neumann, H.-G.Stammler & L.Antonov; Tetrahedron, 72, 6455 (2016).
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10-Hydroxybenzo[h]quinoline: switching between single- and double-well proton transfer through structural modifications. S.Hristova, G.Dobrikov, F.S.Kamounah, S.Kawauchi, P.E.Hansen, V.Deneva, D.Nedeltcheva & L.Antonov; RSC Advances, 5, 102495 (2015).
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Computational insights on the excited state proton transfer reactions in azo and azomethine dyes. M.Savarese, E.Bremond, L.Antonov, I.Ciofini & C.Adamo; ChemPhysChem, 16, 3966 (2015).
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Conformational behaviour of 3-methyl-4-(4-methylbenzoyl)-1-phenyl-pyrazol-5-one: a sudden story of three desmotropes. V.Kurteva, B.Shivachev, R.Nikolova, S.Simova, L.Antonov, L.Lubenov & M.Petrova; RSC Advances, 5, 73859 (2015).
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Comment on “Spectroscopic studies of keto–enol tautomeric equilibrium of azo dyes” by M. A. Rauf, S. Hisaindee and N. Saleh, RSC Adv., 2015, 5, 18097. L.Antonov, P.E.Hansen & G. van der Zwan; RSC Advances, 5, 67165 (2015).
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Tautomeric transformations of Piroxicam in solution: a combined experimental and theoretical study. D.Ivanova, V.Deneva, D.Nedeltcheva, F.S.Kamounah, G.Gergov, P.E.Hansen, S.Kawauchi & L.Antonov; RSC Advances, 5, 31852 (2015).
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4-Hydroxy-1-naphthaldehydes: proton transfer or deprotonation. Y.Manolova, V.Deneva, L.Antonov, H.Marciniak, S.Lochbrunner, A.Crochet, K.M.Fromm, F.S.Kamounahd & P.E.Hansen; Physical Chemistry Chemical Physics, 17, 10238 (2015).
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Controlled tautomeric switching in azonaphthols – tune by substituents in the phenyl ring. L.Antonov, V.Deneva, S.Simeonov, V.Kurteva, A.Crochet, K.M.Fromm, B.Shivachev, R.Nikolova, M.Savarese & C.Adamo; ChemPhysChem, 16, 649 (2015).
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Azonaphthol tautomerism and controlled switching: Is it possible? L.Antonov; American Institute of Physics Conference Proceedings, 1642, 449 (2015).
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Solvent Effects On The Nonlinear Optical Responses Of Anil Derivatives. E.Bogdan, A.Plaquet, L.Antonov, V.Rodriguez, L.Ducasse, B.Champagne & F.Castet; American Institute of Physics Conference Proceedings, 1642, 488 (2015).
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Pd(II) complexes of acetylcholinesterase reactivator obidoxime. A.Nedzhib, S.Stoykova, V.Atanasov, I. Pantcheva & L.Antonov; Interdisciplinary Toxicology, 7, 139 (2014).
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Hybrid liposomal polyoxyethylated calyx[4]arene system as a drug delivery platform for curcumin. E.Drakalska, D.Momekova, Y.Manolova, D.Budurova, G.Momekov, M.Genova, L.Antonov, N.Lambov & S.Rangelov; International Journal of Pharmaceutics, 472, 165 (2014).
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The effect of water on the curcumin tautomerism: a quantitative approach. Y.Manolova, V.Deneva, L.Antonov, E.Drakalska, D.Momekova & N.Lambov; Spectrochimica Acta, 132A, 815 (2014).
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1,1′,1”-(2,4,6-Trihydroxybenzene-1,3,5-triyl)triethanone tautomerism revisited. P.E.Hansen, F.S.Kamounah, D.Zhiryakova, Y.Manolova & L.Antonov; Tetrahedron Letters, 55, 354 (2014).
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Phenol–Quinone Tautomerism in (Arylazo)naphthols and the Analogous Schiff Bases: Benchmark Calculations. S.T.Ali, L.Antonov & W.M.F.Fabian; Journal of Physical Chemistry, 118A, 778 (2014) .
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Stereochemistry of Disilanylene-Containing Cyclic Compounds. Thermal Reactions of cis- and trans-3,4-Benzo-1,2-diisopropyl-1,2-dimethyl-1,2-disilacyclobut-3-ene. A.Naka, J.Ikadai, J.Sakata, M.Ishikawa, Y.Hayashi, L.Antonov, S.Kawauchi & T.Yamabe; Organometallics, 32, 6476 (2013).
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Controlled tautomerism – switching caused by an “underground” anionic effect. L.Antonov, V.Deneva, V.Kurteva, D.Nedeltcheva, A.Crochet & K.M.Fromm; RSC Advances, 3, 25410 (2013).
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Description of the tautomerism in some azonaphthols. S.Kawauchi & L.Antonov; Journal of Physical Organic Chemistry, 26, 643 (2013).
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Controlled shift in the tautomeric equilibrium of 4-((phenylimino)methyl)naphthalen-1-ol. V.Deneva, Y.Manolova, L.Lubenov, V.Kurteva, F.S.Kamounah, R.Nikolova, B.Shivachev & L. Antonov; Journal of Molecular Structure, 1036, 267 (2013).
- Tautomerism of 4,4′-dihydroxy-1,1′-naphthaldazine studied by experimental and theoretical methods. A.Ahmedova, S.P.Simeonov, V.B.Kurteva & L.Antonov; Chemistry Central Journal, 7, 29 (2013).
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beta-Galactosyl Yariv Reagent Binds to the beta-1,3-Galactan of Arabinogalactan Proteins. K.Kitazawa, T.Tryfona, Y.Yoshimi, Y.Hayashi, S.Kawauchi, L.Antonov, H.Tanaka, T.Takahashi, S.Kaneko, P.Dupree, Y.Tsumuraya & T.Kotake; Plant Physiology, 161, 1117 (2013).
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Switching azonaphthols containing a side chain with limited flexibility. Part 1. Synthesis and tautomeric properties. V.Kurteva, L.Antonov, D.Nedeltcheva, A.Crochet, K.Fromm, R.Nikolova, K.Shivachev & M.Nikiforova; Dyes & Pigments, 92, 1266 (2012)
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Tautomerism in 1-phenylazo-4-naphthols: experimental results vs quantum-chemical predictions. L.Antonov, V.Kurteva, A.Crochet, L.Mirolo, K.Fromm & S.Angelova; Dyes & Pigments, 92, 714 (2011)
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Aggregation of 2-aminobenzimidazole – a combined experimental and theoretical investigation. S.Angelova, M.Spassova, V.Deneva, M.Rogojerov & L.Antonov; ChemPhysChem, 12, 1747 (2011)
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Gas phase study of molecular switches based on tautomeric proton transfer. D.Nedeltcheva, V.Kurteva & L.Antonov; European Journal of Mass Spectrometry, 17, 47 (2011)
- (E)-1-(4-Methoxyanthracen-1-yl)-2-phenyldiazene. A.Crochet, K.M.Fromm, V.Kurteva & L.Antonov; Acta Crystallographica, E67, o993 (2011)
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Tautocrowns: a concept for a sensing molecule with an active side-arm. L.Antonov, V.Kurteva, S.Simeonov, V.Deneva, A.Crochet & K.M.Fromm; Tetrahedron, 66, 4292 (2010)
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Solvent effects on the second-order nonlinear optical responses in the keto−enol equilibrium of a 2-hydroxy-1-naphthaldehyde derivative. E.Bogdan, A.Plaquet, L.Antonov, V.Rodriguez, L.Ducasse, B.Champagne & F.Castet; Journal of Physical Chemistry, 114C, 12760 (2010)
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Tautocrowns: azacrown moiety conjugated to a tautomeric Schiff base. V.Deneva, N.Burdzhiev, E.Stanoeva & L.Antonov; Spectroscopy Letters, 43, 22 (2010)
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Exploiting the tautomerism for switching/signaling purposes . L.Antonov, V.Deneva, S.Simeonov, V.Kurteva, D.Nedeltcheva & J.Wirz; Angewandte Chemie International Edition, 48, 7875 (2009)
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Chemometric models for quantitative analysis of tautomeric Schiff bases and azodyes. D.Nedeltcheva, L.Antonov, A.Lycka, B.Damyanova & S.Popov; Current Organic Chemistry, 13, 217 (2009)
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Relative strength of the intramolecular hydrogen bonding in 1-phenylazo-naphthalene-2-ol and 1-phenyliminomethyl-naphthalene-2-ol. D.Nedeltcheva & L.Antonov; Journal of Physical Organic Chemistry, 22, 274 (2009)
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Solid state tautomerism in 2-((phenylimino)methyl)-naphthalene-1-ol. D.Nedeltcheva, F.S.Kamounah, L.Mirolo, K.M.Fromm & L.Antonov; Dyes & Pigments, 83, 121 (2009)
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Determination of the average orientation of 4-phenylpyridine in nematic solvent by means of infrared linear dichroism: Study of its conformational dependence on the dihedral angle between aromatic rings. M.Rogojerov, B.Jordanov, L.Antonov & K.Hinrichs; Journal of Molecular Structure, 875, 540 (2008)
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Two-Photon Absorption Properties of Azulenyl Compounds Having a Conjugated Ketone Backbone. S.Hirakawa, J.Kawamata, Y.Suzuki, S.Tani, T.Murafuji, K.Kasatani, L.Antonov, K.Kamada & K.Ohta; Journal of Physical Chemistry, 112A, 5198 (2008)
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Integrated approach to the study of the tautomerism of 1-Phenyliminomethyl-naphthalele-4-ol. F.S.Kamounah, L.Antonov, V.Petrov & G. van der Zwan; Journal of Physical Organic Chemistry, 20, 313 (2007)
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Theoretical study of the two-photon absorption properties of several asymmetrically substituted stilbenoid molecules. K.Ohta, L.Antonov, S.Yamada & K.Kamada; Journal of Chemical Physics, 127, 084504 (2007)
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Two-Photon Absorption Properties of Dehydrobenzo[12]annulenes and Hexakis(phenylethynyl)benzenes: Effect of Edge-Linkage. K.Kamada, L.Antonov, S.Yamada, K.Ohta, T.Yoshimura, K.Tahara, A.Inaba, M.Sonoda & Y.Tobe; ChemPhysChem, 8, 2671 (2007)
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Gradual change of one- and two-photon absorption properties in solution – protonation of 4-N,N-dymethylamino-4’-aminoazobenzene. L.Antonov, K.Kamada, D.Nedeltcheva, K.Ohta & F.S.Kamounah; Journal of Photochemistry and Photobiology, 181A, 274 (2006)
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Tautomerism in some aromatic Schiff bases and related azo-compounds: a linear solvation energy relationship study. L.Antonov, W.M.F.Fabian & P.J.Taylor; Journal of Physical Organic Chemistry, 18, 1169 (2005)
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Variable-Temperature X-ray Crystallographic and DFT Computational Study of the N-H…O/N…H-O Tautomeric Competition in 1-(Arylazo)-2-naphthols. Outline of a Transiton-State Hydrogen-Bond Theory. P.Gilli, V.Bertolasi, L.Pretto, L.Antonov & G.Gilli; Journal of The American Chemical Society, 127, 4943 (2005)
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Tautomerism in hydroxynaphthaldehyde anils and azo analogues: a combined experimental and computational study. W.M.F.Fabian, L.Antonov, D.Nedeltcheva, F.S.Kamounah & P.J.Taylor; Journal of Physical Chemistry, 108A, 7603 (2004)
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Environmetric assessment of pollutant concentrations effects on forest ecosystems. D.Antonova, L.Antonov, V.Petrov, V.Simeonov, S.Tsakovski, S.Barun & W.Flueckiger; Ecological Chemistry and Engineering, 11, 439 (2004)
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A systematic femtosecond study on the two-photon absorbing D-pi-A molecules – pi-bridge nitrogen inseprtion and strength of the donor and acceptor groups. L.Antonov, K.Kamada, K.Ohta & F.S.Kamounah; Physical Chemistry Chemical Physics, 5, 1193 (2003)
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Complexation and redox processes during the course of AuCl4-bilirubin interaction in aqueous-basic and methanolic media. N.Mincheva, L.Antonov, M.Mitewa, G.Ponticelli & M.T.Cocco; Transition Metal Chemistry, 28, 316 (2003)
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Excited state intramolecular proton transfer in some tautomeric azodyes and Schiff bases containing an intramolecular hydrogen bond. H.Joshi, F.S.Kamounah, C.Gooijer, G.van der Zwan & L.Antonov; Journal of Photochemistry and Photobiology, 152A, 183 (2002)
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Quantitative analysis of undefined mixtures – “Fishing net” algorithm. L.Antonov & V.Petrov; Analytical and Bioanalytical Chemistry, 374, 1312 (2002)
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Estimation of two-photon absorption characteristics by a global fitting procedure. L.Antonov, K.Kamada & K.Ohta; Applied Spectroscopy, 56, 1508 (2002)
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Complexation properties of Schiff bases containing N-phenylaza-15-crown-5 moiety. L.Antonov, M.Vladimirova, E.Stanoeva, W.M.F.Fabian, L.Ballester & M.Mitewa; Journal of Inclusion Phenomena, 40, 23 (2001)
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Temperature dependent absorption spectroscopy of some tautomeric azodyes and Schiff bases. H.Joshi, F.S.Kamounah, G.van der Zwan, C.Gooijer & L.Antonov; JCS Perkin Transactions 2, 2303 (2001)
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Resolution of overlapping UV-Vis absorption bands and quantitative analysis. L.Antonov & D.Nedeltcheva; Chemical Society Reviews, 29, 217 (2000)
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Step-by-step filter based program for calculations of highly informative derivatives curves. V.Petrov, L.Antonov, H.Ehara & N.Harada; Computers & Chemistry, 24, 561 (2000)
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Tautomerism of 2-hydroxynaphthaldehyde Schiff bases. L.Antonov, W.M.F.Fabian, D.Nedeltcheva & F.S.Kamounah; JCS Perkin Transactions 2, 1173 (2000)
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A new dimeric Pd(III)Pd(II) complex with 7,7,8,8-tetracyanoquinodimethane. N.Mincheva, L.Ballester, L.Antonov & M.Mitewa; Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 30, 1643 (2000)
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Ab Initio modeling the solvent influence on the azo-hydrazone tautomerism. L.Antonov, S.Kawauchi, M.Satoh & J.Komiyama; Dyes & Pigments, 40, 163 (1999)
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UV-Vis spectroscopic and chemometric study on the aggregation of ionic dyes in water. L.Antonov, G.Gergov, V.Petrov, M.Kubista & J.Nygren; Talanta, 49, 99 (1999)
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Aggregation and tautomeric properties of C.I. Acid Red 138. T.Iijima, E.Jojima, L.Antonov, S.Stoyanov & T.Stoyanova; Dyes & Pigments, 37, 81 (1998)
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Theoretical investigations on the tautomerism of 1-Phenylazo-4-naphthol and its isomers. L.Antonov, S.Kawauchi, M.Satoh & J.Komiyama; Dyes & Pigments, 38, 157 (1998)
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Fourth derivative spectroscopy – a critical view. L.Antonov; Analytica Chimica Acta, 349, 295 (1997)
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Drawbacks of the present standards for processing absorption spectra recorded linearly as a function of wavelength. L.Antonov; Trends in Analytical Chemistry, 16, 536 (1997)
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Spectrophotometric investigation of on the complexation between chromo- and fluoroionophores containing aza-15-crown-5 moiety and alkaline and alkaline-earth metal ions. M.Mitewa, N.Mateeva & L.Antonov; Quimica Analitica, 16, S153 (1997)
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Noise reduction in second derivative UV-Vis spectroscopy. L.Antonov & S.Stoyanov; Spectroscopy Letters, 29, 231 (1996); 29, 967 (1996)
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Step by step filter – an approach for noise reduction in the derivative UV-Vis spectra. L.Antonov & S.Stoyanov; Analytica Chimica Acta, 324, 77 (1996)
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Spectral properties of aza-15-crown-5 containing styryl dyes in solution. L.Antonov, N.Mateeva, M.Mitewa & S.Stoyanov; Dyes & Pigments, 30, 235 (1996)
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Ammonium-azonium tautomerism in some N,N-dialkylaminoazodyes: Part 1 – General considerations. T.Stoyanova, S.Stoyanov, L.Antonov & V.Petrova; Dyes & Pigments, 31, 1 (1996)
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Resolution of overlapping bands – an idea for quantitative analysis of undefined mixtures. L.Antonov & D.Nedeltcheva; Analytical Letters, 29, 2055 (1996)
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Application of the first derivative spectra method for investigation of the complexation of some aza-15-crown-5 containing chromoionophores with Sr2+. N.Mateeva, L.Antonov, M.Mitewa & S.Miteva; Talanta, 43, 275 (1996)
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Ammonium-azonium tautomerism in some N,N-dialkylaminoazodyes: Part 2 – Compounds containing more than two protonation sites. S.Stoyanov, L.Antonov, T.Stoyanova & V.Petrova; Dyes & Pigments, 32, 171 (1996)
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Thion-disulfide interchange of some heterocyclic tautomeric thiones and their symmetrical disulfides. S.Stoyanov, T.Stoyanova, L.Antonov, P.Karagiannidis & P.Akrivos; Monatshefte fuer Chemie, 127, 495 (1996)
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Spectral properties and molecular structure of 4-aryl-3-cyano-1,1-diphenyl-2-azabutadienes. V.Dryanska, P.Denkova, L.Shishkova, S.Stoyanov, L.Antonov & S.Spasov; Spectroscopy Letters, 26, 1067 (1996)
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Resolution of overlapping UV-Vis absorption bands – quantitative analysis of tautomeric equilibria. L.Antonov & S.Stoyanov; Analytica Chimica Acta, 314, 225 (1995)
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Spectroscopic study on the complexation of an aza-15-crown-5 containing chromofluoroionophore with Ba2+ and Ca2+ cations. N.Mateeva, V.Enchev, L.Antonov, T.Deligeorgiev & M.Mitewa; Journal of Inclusion Phenomena, 20, 323 (1995)
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Tautomeric equilibrium in 1-phenylazo-2-naphthol – a quantitative study. L.Antonov, S.Stoyanov & T.Stoyanova; Dyes & Pigments, 27, 133 (1995)
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Spectrophotometric investigation on the complex formation of an aza-15-crown-5 containing styryl dyes with Ba2+ and Ca2+ cations. M.Mitewa, N.Mateeva, L.Antonov & T.Deligeorgiev; Dyes & Pigments, 27, 219 (1995)
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Azo-quinonehydrazone tautomerism in 2-phenylazo-1-naphthol. L.Antonov & S.Stoyanov; Dyes & Pigments, 28, 31 (1995)
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Colour and constitution relationships in some potentially tautomeric acid azo dyes – C.I. Acid Red 138 and its homologues. S.Stoyanov, T.Iijima, T.Stoyanova & L.Antonov; Dyes & Pigments, 27, 237 (1995)
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Spectrophotometric investigation of the complex formation between aza-15-crown-5 containing chromoionophores and alkali and alkaline earth metal ions in acetonitrile. L.Antonov & N.Mateeva; Talanta, 41, 1489 (1994)
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Quantitative analysis of tautomeric equilibrium in 1-phenylazo-4-naphthols – a new approach. S.Stoyanov, L.Antonov, B.Soloveytchik & V.Petrova; Dyes & Pigments, 26, 149 (1994)
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Structure investigations of N-acylated amines by means of UV-Vis spectroscopy. S.Stoyanov, A.Dobrev & L.Antonov; Monatshefte fuer Chemie, 125, 259 (1994)
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Analysis of the overlapping bands in UV-Vis absorption spectroscopy. L.Antonov & S.Stoyanov; Applied Spectroscopy, 47, 1030 (1993)
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Approach for increased information from the second-derivative spectra in UV-Vis absorption spectroscopy. L.Antonov & S.Stoyanov; Applied Spectroscopy, 47, 1712 (1993)
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Thione-thiol tautomerism and stability of 2- and 4-mercaptopyridines and 2-mercaptopyrimidine. S.Stoyanov, I.Petkov, L.Antonov, T.Stoyanova, P.Karagiannidis & P.Aslanidis; Canadian Journal of Chemistry, 68, 1482 (1990)
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Quantitative analysis of azo-quinonehydrazone tautomeric equilibrium. S.Stoyanov & L.Antonov; Dyes and Pigments, 10, 33 (1988)