• 1959 Born in Sofia, Bulgaria.

• 1983 Master of Science in Organic Chemistry at the Faculty of Chemistry of Sofia University “St. Kl. Ohridski”.

• 1983-1984 Chemist at NIMH, Bulgarian Academy of Sciences

• 1984-1993 Chemist at IOCCP

• 1993 Research Associate at IOCCP

•  2000 PhD at IOCCP, Bulgarian Academy of Sciences. 2007 PhD at IOCCP, Bulgarian Academy of Sciences. Thesis: “The vibrational spectra as a measure for intramolecular interaction in carbonyl compounds, nitriles and their ions”, Scientific supervisor: Prof. I. Binev.

• 2007 Senior Research Associate at IOCCP
   

Scientific Interests:

Physical organic chemistry;

Structural organic analysis;

Infrared Spectroscopy

Chemistry and spectroscopy of bioactive compounds;

Participation in Projects:

1995 - 1997, “Spectrochemistry of conjugated organic molecules and ions”, granted by the Bulgarian National Science Fund, Contract Chemistry-442.

1997-2000, “Synthesis, spectral investigation and X-Ray study of squaric acid derivatives - new materials for nonlinear optics”, granted by the Bulgarian National Science Fund, Contract Chemistry-605.

1999-2001, “Experimental and ab initio MO spectrochemistry of organic systems: neutral molecules, hydrogen bonded complexes and ions”, granted by the Bulgarian National Science Fund, Contract Chemistry-801.

2003-2005, “Organic molecules, radicals, ions and hydrogen-bonded complexes: chemical, physical and theoretical studies”, granted by the Bulgarian National Science Fund, Contract Chemistry-1213.

 2005-2008, “Organic molecules, radicals, ions and hydrogen-bonded complexes: chemical, physical and theoretical studies”, granted by the Bulgarian National Science Fund, Contract Chemistry-1510.

Selected Publications:

• E. A. Velcheva, IR spectra and structure of trans-benzylidenecyanoacetate and its derivatives: ab initio and LFER studies. Bulg. Chem. Comm., 32(2), 162, 2000.

• Bistra A. Stamboliyska, Pavlina J. Vassileva-Boyadjieva, Yuri I. Binev, Evelina A.Velcheva, Jordan A. Tsenov, Christo Ts. Petkov, Ivan N. Juchnovski, Ivan G. Binev Correlation analysis of experimental vs. аb initio IR frequencies and intensities. Bulg. Chem. Comm., 34, 170-186, 2002.

• Velcheva, E.A., Juchnovski, I.N., Binev, I.G., IR studies in the substituted benzaldehyde series provide a new definition of sigma-plus constants of ionic substituents, Spectrochim. Acta A59 (2003) 1745-1749.

• Stamboliyska, B.A., Velcheva, E.A., Binev, I.G., IR spectral and structural changes caused by the conversion of 3-hydroxybenzaldehyde into the oxyanion, Spectrochim. Acta A59 (2003) 1541-1548.

• Velcheva, E.A., Stamboliyska, B.A., IR spectral and structural changes caused by the conversion of 3-methoxy-4-hydroxybenzaldehyde (vanillin) into the oxyanion,  Spectrochim. Acta A60 (2004) 2013-2019.

• A. Velcheva, L. I. Daskalova, I. G. Binev. Solvent effects of nicotinamide: experimental and computational studies. Bul. Chemm. Comunications, 36 (2004) 230-235.

• Kolev, T.M., Velcheva, E.A., Stamboliyska, B.A., Spiteller, M., DFT and experimental studies of the structure and vibrational spectra of curcumin, Int. J. Quant. Chem. 102 (2005) 1069-1079.

• Е. А. Velcheva, K. V. Petrova, N. S. Antonova, L. I. Daskalova, M. K. Georgieva, O. I. Petrov – Experimental and computational studies on IR spectra and structure of N-(4-ethoxyphenyl)acetamide and its azanion. C. R. Acad. Bulg. Sci., 58(5) (2005) 567.

• M. K. Georgieva, O. I. Petrov, K. V. Petrova, A. D. Popova, Е. А. Velcheva – IR spectral and structural changes caused by the conversion of 4-aminobenzenesulfonamime (sulfanilamide) into azanion. C. R. Acad. Bulg. Sci., 58(5) (2005) 561.

• Velcheva, E.A., Daskalova, L.I., The experimental and computational study on the IR spectra and structure of pyridine-3-carboxamide (nicotinamide)-d0 and -d2,  J. Mol. Struct., 741 (2005) 85-92.

• Georgieva, M.K., Velcheva, E.A., Computational and experimental studies on the IR spectra and structure of the simplest nitriles (C1 and C2), their anions, and radicals, Int. J. Quant. Chem. 106 (2006) 1316-1322.

• Daskalova, L.I., Velcheva, E.A., Binev, I.G., Changes in the IR spectra and structures of pyridine-3-carboxamides-d0 and -d2 caused by their conversion into azanions-d0 and -d1: Experimental and computational studies, J. Mol. Struct. 826 (2007) 198-204.

• Popova, A.D., Georgieva, M.K., Petrov, O.I., Petrova, K.V., Velcheva, E.A., IR spectral and structural studies of 4-aminobenzenesulfonamide (sulfanilamide)-d0, -d4, and -15N, as well as their azanions: Combined DFT B3LYP/experimental approach, Int. J. Quant. Chem. 107 (2007) 1752-1764.

• Velcheva, E.A., Stamboliyska, B.A., Structural changes caused by the conversion of 2-hydroxybenzamide (salicylamide) into the oxyanion, J. Mol. Struct. 875 (2008) 264-271.