Dr. Denitsa Yancheva Pantaleeva

Laboratory of Structural Organic Analysis

Institute of Organic Chemistry
with Centre of Phytochemistry (IOCCP),
Bulgarian Academy of Sciences

Acad. G. Bonchev Str., Build. 9
1113 Sofia, Bulgaria

Tel: +359 2 9606106
Fax: +359 2 8700225
e-mail:

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1975Born in Bourgas, Bulgaria.
1999Master of Science in Organic Chemistry at the Faculty of Chemistry of Sofia University “St. Kl. Ohridski”
2003 PhD at IOCCP, Bulgarian Academy of Sciences.
Thesis: “Synthesis, Spectral and Structural Elucidation of New Organic Materials for Electro-optical and Photorefractive Application”,
Scientific supervisor: Prof. T. Kolev
2004Research Associate at IOCCP.

Scientific Interests:
New organic materials for electro-optical, nonlinear optical and photorefractive applications;
IR, UV-vis, Raman and NMR Spectroscopy;
X-Ray Analysis;
Electrooptics and nonlinear optics;
Quantum-chemical calculations;
Chemistry and spectroscopy of bioactive compounds;

Participation in Projects:
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.
2003-2005 Alexander von Humboldt research project
“Design, synthesis, spectral and structural elucidation of isophorone derivatives - new organic materials for photochromic and photorefractive applications”,
(in cooperation with the Physical and Theoretical Chemistry Department, University of Kaiserslautern, Germany).
2003-2005 DAAD project
“Design, synthesis, spectral and structural elucidation of new organic materials for nonlinear optical and electro-optical applications”
(in cooperation with INFU, University of Dortmund, Germany).
2005-2006 “Design, synthesis, spectral and structural study of substituted pyridinium-betaines of squaric acid: promising chromophores for nonlinear optical applications”,
granted by the Bulgarian National Science Fund within the program “Improving Research Potential” (Grant for young researchers).
2004-2008 International Summer Schools on X-ray, IR and Raman spectroscopy within the Centre for Applied Spectroscopy
(in cooperation with INFU, University of Dortmund, Germany, the University in Novi Sad, Serbia, and the University in Skopje, Macedonia).
The project is sponsored by DAAD in the frames of the programme Stability Pact for South Eastern Europe.
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:
T. Kolev, D. Yancheva, D. Kleb, M. Schürmann, H. Preut, P. Bleckmann,
Crystal structure of 4-benzoylpyridinium-1-squarate, C16H9NO4,
Z. Krist. NCS 216, 65-66 (2001).
Ts. Kolev, D. Yancheva, D. Kleb, M.Schürmann, Z. Glavcheva, H. Preut, P. Bleckmann,
Crystal structure of 2-{3-[2-(3-ethoxy-4-methoxy-phenylmalononitrile, C22H24N2O2,
Z. Krist. NCS 216, 67-68 (2001).
T. Kolev, D. Yancheva, Z. Glavcheva, M. Schürmann, D. Kleb, H. Preut, P. Bleckmann,
Crystal structure of 3-methoxy-4-hydroxybenzylidene-malononitrile, C11H8N2O2,
Z. Krist. NCS 216, 239-240 (2001).
T. Kolev, D. Yancheva, M. Schurmann, D. Kleb, H. Preut, M. Spiteller,
2-[5,5-Dimethyl-3-(2-p-tolyl-vinyl)-cyclohex-2-enylidene]-malononitrile,
Acta. Cryst. E58, o1093-o1094 (2002).
T. Kolev, D. Yancheva, M. Schurmann, D. Kleb, H. Preut, M. Spiteller,
4-Dimethylaminopyridinium-1-squarate,
Acta. Cryst. E58, o1267-o1268 (2002).
T. Kolev, D. Yancheva, B. Stamboliyska,
Experimental and computational studies of the structure and vibrational spectra of pyridinium-betaine of squaric acid,
Spectrochim. Acta A59, 1805-1813 (2003).
T. Kolev, D. Yancheva, B. Stamboliyska,
Experimental and computational studies of the structure and vibrational spectra of 2-[5,5-dimethyl-3-(2-phenyl-vinil)cyclohex-2-enylidene]-malononitrile,
Spectrochim. Acta A59, 3325-3335 (2003).
T. Kolev, B. Stamboliyska, D. Yancheva, V. Enchev,
Experimental and computational studies of the structure and vibrational spectra of 4-dimethylamino pyridinium-betaine of squaric acid,
J. Mol. Struct. 691, 241-248 (2004).
T. Kolev, D. Yancheva‚ S. Stoyanov,
Synthesis, Spectral and Structural Elucidation of Some Pyridinium Betaines of Squaric Acid – Potential Materials for Nonlinear Optical Applications,
Adv. Funct. Mater. 14, 799-805 (2004).
T. Kolev, D. Yancheva, B. Shivachev, R. Petrova, M. Spiteller,
2-{3-[(E)-(3,4-Dimethoxyphenyl)ethenyl]-5,5-dimethylcyclohex-2-enylidene}malononitrile,
Acta. Cryst. E61, o550-o552 (2005).
T. Kolev, D. Yancheva, B. Shivachev, R. Petrova, M. Spiteller,
2-(3-Benzoyl-1-pyridinio)-3,4-dioxocyclobutenenolate,
Acta. Cryst. C61, o213-o215 (2005).
T. Kolev, D. Yancheva, M. Spiteller, W. S. Sheldrick, H. Mayer-Figge,
L-Prolinamidium hydrogensquarate,
Acta Cryst. E62, o463-o465 (2006).
T. Kolev, B. Stamboliyska, D. Yancheva
Spectral and structural study of two acceptor-substituted pyridinium-betaines of squaric acid: promising chromophores for nonlinear optical applications,
Chem. Phys. 324, 489-496 (2006).
T. Kolev, D. Yancheva, B. Shivachev, R. Petrova,
The pyridinium-betaine of squaric acid,
Acta Cryst. E63, o3259 (2007).
T. Kolev, D. Yancheva, B. Stamboliyska, M. Dimitrov, R. Wortmann,
Nonlinear optical properties of pyridinium-betaines of squaric acid: experimental and theoretical study,
Chem. Phys. (2008), doi: 10.1016/j.chemphys.2008.02.018

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