Intra- and InterMolecular Processes

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   BAS  
 
 Institute of Organic Chemistry
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
         
   
 
 
 
 
 
 
 
 

PUBLICATIONS

Books and book chapters:
  • Tautomerism: Concepts and Applications in Science and Technology, L.Antonov (editor), Wiley-VCH (2016).
  • “Triage” for Tautomers: The Choice between Experiment and Computation. P.J.Taylor & L.Antonov; Tautomerism: Concepts and Applications in Science and Technology, L.Antonov (editor), Wiley-VCH (2016).
  • The Fault Line in Prototropic Tautomerism. P.J.Taylor & L.Antonov; Tautomerism: Concepts and Applications in Science and Technology, L.Antonov (editor), Wiley-VCH (2016).
  • Controlled Tautomerism: Is It Possible? D.Nedeltcheva-Antonova & L.Antonov; Tautomerism: Concepts and Applications in Science and Technology, L.Antonov (editor), Wiley-VCH (2016).
  • Tautomerism: Methods and Theories, L.Antonov (editor), Wiley-VCH (2014).
  • Tautomerism: Introduction, history, and recent developments in experimental and theoretical methods. P.J.Taylor, G. van der Zwan & L.Antonov; Tautomerism: Methods and Theories, L.Antonov (editor), Wiley-VCH (2014).
  • Absorption UV-Vis spectroscopy and chemometrics: from qualitative conclusions to quantitative analysis. L.Antonov; Tautomerism: Methods and Theories, L.Antonov (editor), Wiley-VCH (2014).
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Per-reviewed journals:
  1. 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).
  2. 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).
  3. 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).
  4. 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).
  5. 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).
  6. 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).
  7. 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).
  8. Tautomerism in azo and azomethyne dyes: When and if theory meets experiment. L.Antonov; Molecules, 24, art. 2252 (2019).
  9. 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).
  10. 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).
  11. Attaching tweezers like ionophore to a proton crane: theoretical design of new tautomeric sensors. V.Deneva & L.Antonov; Molecular Physics, 117, 1613 (2019).
  12. 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).
  13. 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).
  14. (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).
  15. Comment on “Learning To Read Spectra: Teaching Decomposition with Excel in a Scientific Writing Course”. L.Antonov; Journal of Chemical Education, 95, 1679 (2018).
  16. 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).
  17. 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).
  18. Molecular insight into inclusion complex formation of curcumin and calix[4]arene. S.Angelova & L.Antonov; ChemistrySelect, 2, 9653 (2017).
  19. 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).
  20. 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).
  21. 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).
  22. An alternative for the calculation of derivative spectra in the near-infrared spectroscopy. L.Antonov; Journal of Near Infrared Spectroscopy, 25, 145 (2017).
  23. 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).
  24. 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).
  25. 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).
  26. 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).
  27. 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).
  28. 4-Carboxyl-2,6-dinitrophenylazohydroxynaphthalenes tautomerism theoretically re-explained. Y.Manolova, D.Nedeltcheva & L.Antonov; Dyes and Pigments, 136, 663 (2017).
  29. 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).
  30. 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).
  31. 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).
  32. 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).
  33. 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).
  34. 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).
  35. 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).
  36. 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).
  37. 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).
  38. 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).
  39. Azonaphthol tautomerism and controlled switching: Is it possible? L.Antonov; American Institute of Physics Conference Proceedings, 1642, 449 (2015).
  40. 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).
  41. Pd(II) complexes of acetylcholinesterase reactivator obidoxime. A.Nedzhib, S.Stoykova, V.Atanasov, I. Pantcheva & L.Antonov; Interdisciplinary Toxicology, 7, 139 (2014).
  42. 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).
  43. Prediction of the color of dyes by using time-dependent density functional theory. S.Kawauchi, L.Antonov & Y.Okuno; Bulgarian Chemical Communications, 46, 228 (2014).
  44. 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).
  45. 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).
  46. 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) .
  47. 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).
  48. 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).
  49. Description of the tautomerism in some azonaphthols. S.Kawauchi & L.Antonov; Journal of Physical Organic Chemistry, 26, 643 (2013).
  50. 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).
  51. 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).
  52. 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).
  53. 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)
  54. 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)
  55. Aggregation of 2-aminobenzimidazole – a combined experimental and theoretical investigation. S.Angelova, M.Spassova, V.Deneva, M.Rogojerov & L.Antonov; ChemPhysChem, 12, 1747 (2011)
  56. 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)
  57. (E)-1-(4-Methoxyanthracen-1-yl)-2-phenyldiazene. A.Crochet, K.M.Fromm, V.Kurteva & L.Antonov; Acta Crystallographica, E67, o993 (2011)
  58. 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)
  59. 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)
  60. Tautocrowns: azacrown moiety conjugated to a tautomeric Schiff base. V.Deneva, N.Burdzhiev, E.Stanoeva & L.Antonov; Spectroscopy Letters, 43, 22 (2010)
  61. 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)
  62. 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)
  63. 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)
  64. 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)
  65. 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)
  66. 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)
  67. 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)
  68. 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)
  69. 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)
  70. 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)
  71. 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)
  72. 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)
  73. 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)
  74. 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)
  75. 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)
  76. 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)
  77. 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)
  78. Quantitative analysis of undefined mixtures – “Fishing net” algorithm. L.Antonov & V.Petrov; Analytical and Bioanalytical Chemistry, 374, 1312 (2002)
  79. Estimation of two-photon absorption characteristics by a global fitting procedure. L.Antonov, K.Kamada & K.Ohta; Applied Spectroscopy, 56, 1508 (2002)
  80. 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)
  81. 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)
  82. Resolution of overlapping UV-Vis absorption bands and quantitative analysis. L.Antonov & D.Nedeltcheva; Chemical Society Reviews, 29, 217 (2000)
  83. 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)
  84. Tautomerism of 2-hydroxynaphthaldehyde Schiff bases. L.Antonov, W.M.F.Fabian, D.Nedeltcheva & F.S.Kamounah; JCS Perkin Transactions 2, 1173 (2000)
  85. 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)
  86. Ab Initio modeling the solvent influence on the azo-hydrazone tautomerism. L.Antonov, S.Kawauchi, M.Satoh & J.Komiyama; Dyes & Pigments, 40, 163 (1999)
  87. 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)
  88. 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)
  89. 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)
  90. Fourth derivative spectroscopy - a critical view. L.Antonov; Analytica Chimica Acta, 349, 295 (1997)
  91. 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)
  92. 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)
  93. Noise reduction in second derivative UV-Vis spectroscopy. L.Antonov & S.Stoyanov; Spectroscopy Letters, 29, 231 (1996); 29, 967 (1996)
  94. 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)
  95. 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)
  96. 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)
  97. Resolution of overlapping bands - an idea for quantitative analysis of undefined mixtures. L.Antonov & D.Nedeltcheva; Analytical Letters, 29, 2055 (1996)
  98. 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)
  99. 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)
  100. 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)
  101. 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)
  102. Resolution of overlapping UV-Vis absorption bands - quantitative analysis of tautomeric equilibria. L.Antonov & S.Stoyanov; Analytica Chimica Acta, 314, 225 (1995)
  103. 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)
  104. Tautomeric equilibrium in 1-phenylazo-2-naphthol - a quantitative study. L.Antonov, S.Stoyanov & T.Stoyanova; Dyes & Pigments, 27, 133 (1995)
  105. 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)
  106. Azo-quinonehydrazone tautomerism in 2-phenylazo-1-naphthol. L.Antonov & S.Stoyanov; Dyes & Pigments, 28, 31 (1995)
  107. 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)
  108. 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)
  109. 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)
  110. Structure investigations of N-acylated amines by means of UV-Vis spectroscopy. S.Stoyanov, A.Dobrev & L.Antonov; Monatshefte fuer Chemie, 125, 259 (1994)
  111. Analysis of the overlapping bands in UV-Vis absorption spectroscopy. L.Antonov & S.Stoyanov; Applied Spectroscopy, 47, 1030 (1993)
  112. Approach for increased information from the second-derivative spectra in UV-Vis absorption spectroscopy. L.Antonov & S.Stoyanov; Applied Spectroscopy, 47, 1712 (1993)
  113. 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)
  114. Quantitative analysis of azo-quinonehydrazone tautomeric equilibrium. S.Stoyanov & L.Antonov; Dyes and Pigments, 10, 33 (1988)
  115.  

    Local journals and Full length conference proceedings:

  116. Pt(II) complexes of oxime-containing acetylcholinesterase reactivators. A.Nedzhib, I.Pantcheva & L.Antonov; Acta of the International Simposia on Metal Complexes –ISMEC Acta, 4, 106 (2014)
  117. Complexation of acetylcholinesterase reactivator Pralidoxime. A.Nedzhib, I.Pantcheva & L.Antonov; Acta of the International Simposia on Metal Complexes –ISMEC Acta, 4, 108 (2014)
  118. Substituent and Solvent Effects on the Tautomerism of 1-Phenylazo-2-naphthol: A Computational Study. S.Tahir Ali, M.Palusiak, L.Antonov & W.M.F.Fabian; Proceedings of 12th Electronic Conference on Synthetic Organic Chemistry, 1-30 November (2008)
  119. Unusual tautomeric equilibrium in N-(4-hydroxy-1-naphthylmethylidene)aniline. L.Antonov, V.Petrov, F.S.Kamounah & G.van der Zwan; Annuaire de l'Universite de Sofia, Faculte de Chimie, 98-99, 177 (2006)
  120. Tautomeric equilibrium of isomeric phenylazonaphthols and 1-Pyridylazo-2-naphthol – a quantitative study. S.Stoyanov, L.Antonov, T.Stoyanova & G.Perez-Caballero; Proceedings of Colorchem’96, 26 (1996)
  121. Theoretical investigations of the tautomerism of some phenylazonaphthols. L.Antonov; Thesis, 31st UNESCO Course for Advanced Research in Chemistry and Chemical Engineering, Tokyo Institute of Technology, 1996
  122. Spectral (UV-Vis) study on thr aggregation of ionic dyes used as indicators. T.Stoyanova, L.Antonov, D.Dimitrov & S.Stoyanov; Annuaire de l'Universite de Sofia, Faculte de Chimie, 87, 55 (1994)
  123. Synthesis and spectral properties of some substituted N,N-dialkylaminoazobenzenes. S.Stoyanov, V.Petrova, L.Antonov & I.Putkov; Annuaire de l'Universite de Sofia, Faculte de Chimie, 86, 33 (1993)