доц. д-р Атанас Чапкънов

Email: chapkanov swu.bg


„Synthesis and spectroscopic investigation of (acetylamino) pyridines” , Collect. Czech. Chem. Commun., 2009, 2015: pp. 1295-1308. (Co-author/s: A.G. Chapkanov, S. Zareva, R. Nikolova, Ts. Kolev B. Koleva)
Synthesis, “IR-spectroscopic and structural elucidation of some dipeptides”, , Proceeding of 33rd European Peptide Symposium, 2015, 2015: pp. 372-373.. (Co-author/s: T. Dzimbova1, A. Chapkanov, B. Ivanova)
“Leu-Arg analogues - synthesis, IR characterization and docking studies”, , Chemistry: Bulgarian Journal of Science Education, (2015) 2015: 370-379 . (Co-author/s: T. Dzimbova, A. Chapkanov, T. Pajpanova, )
Application of combined approach for spectroscopic and structural elucidation of small peptides”, , Journal of International Scientific Publications: Materials, Methods and Technologies, 2014, 2014: pp. 732-740. (Co-author/s: A. G. Chapkanov, )
"Synthesis, IR-spectroscopic and structural elucidation of some dipeptides” , Journal of Peptide science , 2014: pp. 198-199, . (Co-author/s: Dzimbova, T., A. Chapkanov and B. Ivanova)
Synthesis and IR-spectral characterization of dipeptide threonyl-methionine, , Proceedings of the Fifth International Scientific Conference – FMNS, 2013, 2013: pp. 26-33.. (Co-author/s: Dzimbova T., Buzgova A., Chapkanov )
Structural and spectroscopic characterization of 2-amino-3,5-dibromopyridine, , Bulgarian Chemical Communication, 2012, 2012: pp. 216-220.. (Co-author/s: A.G. Chapkanov)
A facile synthesis and IR-LD spectral elucidation of N-acetyl amino acid derivatives, , Bulg. Chem. Com., 2012, IF:0.234. 2012: pp. 228-232,. (Co-author/s: A. Chapkanov, T. Dzimbova, B. Ivanova)
Synthesis and spectral characterization of dipeptide H-Phe-Ala-OH, , IV Balkan Scientific Conference “Science - Education–Art”, Bulgaria, Blagoevgrad, 30.09-01.10, 2012, 2012: pp. 478 -483. . (Co-author/s: T. Dzimbova, A. Chapkanov, B. Ivanova)
“N-acetyl-methyl amides of some amino acids - synthesis and IR - spectral analysis of the initial compounds”, , Proceeding of the Fourth International Scientific Conference, 2011: pp. 316-325, . (Co-author/s: A. Chapkanov, T. Dzimbova, B. Ivanova, A. Marvakov)
„On the tautomerism and color origin in solid-state of Npy-protonated-2-aminopyridine–spectroscopic elucidation”, , Structural Chemistry, 2010: pp. 29-35,.
„Dipeptide L-seryl-L-methionine–linear dichroic IR-and theoretical characterization”, , Spectroscopy Letters, 2010, 2010: pp. 79-83.. (Co-author/s: A.G. Chapkanov, S. Zareva, )
„New Au(III), Pt(II) and Pd(II) complexes with pentapeptide glycyl-glycyl-L-methyonyl-glycyl-glycine and their interaction with calf thymus DNA” , Protein & Peptide Letters, 2010, 2010: pp. 228-237,. (Co-author/s: A.G. Chapkanov, Y. Miteva, T. Kolev, M. Spiteller, B. Koleva, )
“L-Valine and L-Proline - solid-state IR-LD spectroscopic study”, Protein & Peptide Letters, 2010, , Protein & Peptide Letters, 2010, 2010: pp. 347-350,. (Co-author/s: A.G. Chapkanov, S. Zareva, )
Spectroscopic and structural characterization of small peptides, Union of Scientists–Blagoevgrad, University Publisher ”N. Rilski”, Annual: Science-Education-Art, 2010, т.4., pp. 209-215. , Annual: Science-Education-Art, 2010, 2010: pp. 209-215. . (Съавтор/и: Chapkanov, A. B. Ivanova, )
„Pyrazolone-derivatives and their tiosemicarbazones – spectrophotometric study and photochemical behavior”, , Proceeding of the Third International Scientific Conference, 2009: pp. 81-87.
„α-Pyridoin tautomerism – reducing difference infrared spectral analysis, , Polish J. Chem. 2009: 467-476. (Co-author/s: S. Zareva)
„Crystal structure and spectroscopic properties of 4-acetamino-pyridine and its protonated form”, , Polish J. Chem. Techn., 2009, v.11(3), pp. 35-40, 2009: pp. 35-40. (Co-author/s: B.B. Koleva, R. Nikolova, A.G. Chapkanov, S. Zareva, T. Kolev, H. Mayer-Figge, M. Spiteller, W.S. Sheldrick, )
Solid-state IR-LD spectroscopic elucidation of saccharin and its nitranion”, , Asian Chemistry Letters, 2009, 2009: 87-94. . (Co-author/s: A.G. Chapkanov, )
„Solid-state spectroscopic and structural elucidation of the dipeptide L-phenylalanyl-L-alanine dihydrate (H-Phe-Ala-OH.2H2O) and its hydrochloride (H-Phe-Ala-OH.HCl)”, , Polish J. Chemistry, 2009, 2009: 421-430.. (Co-author/s: S. Zareva, T. Kolev, A.G. Chapkanov, M. Spiteller and B. Koleva)
„Structural and IR-spectroscopic elucidation of dipeptide L-threonyl-L-methionine in solid-state”, , Protein & Peptide Letters, 2009, 2009: pp. 1277-1280.. (Co-author/s: A.G. Chapkanov, S. Zareva, )
On the tautomerism of 1-phenyl-3-substituted pyrazol-5-ones and their photoinduced products–experimental and theoretical UV-spectral analysis”, , Chemical Papers, 2008: 294–301. (Co-author/s: B. Koleva, M. Arnaudov, I. Petkov)
„Spectral characteristics of 4-benzoyl -1, 3- substituted pyrazol-5-ones and their thiosemicarbazones after irradiation in solution”, , Annual of Shumen University “K. Preslavski”, Natural Sciences, 2008,, 2008: pp.122-131. . (Co-author/s: I.K. Petkov)
“1-Phenyl-3, 4-substituted Pyrazolones – UV - spectral characteristics in different solvents after irradiation”, , Annual: Science-Education-Art, 2008: pp. 349-354.. (Co-author/s: I. K. Petkov)
“Synthesis and spectral analysis of 4-acetyl 1, 3-substituted pyrazol-5-ones and their thiosemicarbazones”, , Bulgarian Chemistry and Industry, 2008: 13-16.. (Co-author/s: A. Chapkanov)
1, 8-dinitro-4, 5-dihydroxyantraquinone–solid state linear polarized IR-spectroscopy of oriented colloid particles as a suspension in nematic liquid crystal”, , Spectrochim. Acta, Molecul.. Biomolecul. Spectrosc., 2008: 1481-1484. (Co-author/s: . A. G. Chapkanov, )
Spectrophotometric study of 3, 4- substituted 1-phenyl-pyrazol-5-ones in different solvents”, , Proceeding of the International Scientific Conference, FMNS, 2007, , pp. 66-69, 2007: 66-69. (Co-author/s: B. Koleva)
„Integrated links between natural sciences as a factor in achieving quality education”, , Annual of 42-National Conference of Chemistry Teachers”, 2007, pp. 25-27, 2007: 35-37,. (Co-author/s: Z. Malcheva, N. Cankov, A. Chapkanov)
„Tautomerism in 1-phenyl-3-substitued pyrazol-5-ones – FT-infrared spectral analysis and ab initio calculations”, Spectroscopy Letters, , Spectroscopy Letters, 2006: 1-12. . (Co-author/s: Ivanova B., M. Arnaudov, I.K. Petkov)
„IR-LD spectral study and ab initio calculations in 1-phenyl-3-substituted pyrazol-5-ones” , Structural Chemistry 2005: 47-53. (Co-author/s: Ivanova B. B., , A., M.G. Arnaudov, I.K. Petkov)
FT-Infrared Spectral Analysis of 1-phenyl-3-methyl (phenyl) pyrazol- 5-ones – tautomeric forms, , Proceeding of the International Scientific Conference, FMNS, 2005, 2005: 103-109,. (Co-author/s: B. Ivanova, M. Arnaudov and I. Petkov)
„IR- and UV- spectral analysis of 1-phenyl-3-substituted pyrazol-5-ones and their photoinduced”, , SWU”N. Rilski”, Blagoevgrad 2005: .
IR-spectral study of photoinduced tautomerization in 1, 3-diphenyl-pyrazol-5-one” , Central European Journal of Chemistry, 2003: 356-365.. (Co-author/s: B.B. Ivanova , M.G. Arnaudov and I. K. Petkov)
Spectral and photochemical behaviour of some pyrazolones in solutions micelles and polymer films”, , Analytical Laboratory, 1998: 143-147..
„Synthesis of methyl esters of N-(O, O-diethyl– phosphonobenzyl) – 2 amino -3-aryl- propanoic acid”, , Phosphorus, Sulfur and Silicon, 1998, 1998: pp. 45–50. . (Co-author/s: A. G. Chapkanov, G. Petrov, )
„Textbook of Organic chemistry”, . Bulgaria: University Publisher “N. Rilski”, 1995 (Co-author/s: A. Chapkanov, J. Velkov, G. Petrov, )
Roasting of zinc concentrates in a boiling layers , Scientific papers: Annual of Plovdiv University 1983: 25-27, . (Co-author/s: R. Dimitrov, B. Boianov, A. Chapkanov)