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Patents

Fluorinating reagents and their preparation 
W. Ebenbeck, P. Hilgers, M. Albrecht, J. Barten, A. A. Kolomeitsev, G.-V. Roschenthaler, US2010036119 (To Lanxess GmbH), November, 11, 2010.

Verwendung von Guanidin-derivaten als Beschleuniger bei der Hartung von Epoxidharzsystemen 
P. H. Krimmer, M. Gomez, J. Almena, J. Barten, A. A. Kolomeitsev, G.-V. Roeschenthaler, Deutsche Patentanmeldung DE102006056311, (to Degussa AG), July, 6, 2008.

Stickstoffhaltige Phosphoniumsalze 
P. H. Krimmer, T. Riermeier, M. Gomez, J. Almena, A. A. Kolomeitsev, J. Barten, G.–V. Roeschenthaler, DE102006010034 (to Degussa AG), September, 6,2007.

Improved process for preparing fluorinated aromatic compounds 
M. Henrich, A. Marhold, A. A. Kolomeitsev, G.-V. Roeschenthaler, DE 50208108D (to SALTIGO GmbH), November, 26, 2006.

Fluorinating reagents and their preparation 
W. Ebenbeck, P. Hilgers, A. Marhold, J. Barten, A. A. Kolomeitsev, G.-V. Roeschenthaler, (to Bayer AG), US 2005085474, April 21, 2005.

α,α, -Difluoroamines, mixtures of the same, method for producing the same and method for producing fluorinated compounds 
J. Barten, A. A. Kolomeitsev, W. Ebenbeck, G.-V. Roeschenthaler, A. Marhold, P. Hilgers, (to Bayer AG), JP 2004231646, June 1, 2004.

α,α -difluoroamines and difluoromethylene- α,α -diazo compounds 
W. Ebenbeck, A. A. Kolomeitsev, A. Marhold, G.-V. Roeschenthaler, (to Bayer AG, Germany), US 2004198975, November, 7, 2004.

Fluorinating reactants and process for their preparation 
W. Wolfgang, A. A. Kolomeitsev, A. Marhold, G.-V. Roeschenthaler, (to Bayer AG, Germany), EP1439170, July, 15, 2004.

Fluorinating reactants and process for their preparation 
J. Barten, A. Marhold, W. Ebenbeck, P. Hilgers, A. A. Kolomeitsev, G.-V. Roeschenthaler, (to Bayer AG, Germany), EP1437342, July, 14, 2004.

New onium pentafluorosulfuranide salts useful as fluorinating agents and agents for introducing pentafluorosulfuranide groups into organic compounds 
A. A. Kolomeitsev, D. Sevenard, P. Kirsch, G.-V. Roeschenthaler, (Merck Patent GmbH, Germany), DE 10321114, April, 12, 2003.

Procedure for the fluorination of organic compounds using pentafluorosulfuranides 
P. Kirsch, G.-V. Roeschenthaler, D. Sevenard, A. A. Kolomeitsev, DE 10220901 (Merck Patent GmbH, Germany), November, 20, 2003.

Pentafluorosulfuranides and their use as fluorination agents 
P. Kirsch, G.-V. Roeschenthaler, D. Sevenard, A. A. Kolomeitsev, DE 10321114 (Merck Patent GmbH, Germany), December, 4, 2003.

Process for preparing polyfluoroalkyllithium compounds 
M. Henrich, A. Marhold, A. A. Kolomeitsev, A. A. Kadyrov, J. A. Barten, G.-V. Roeschenthaler, DE 10128703/EP 1266902/ US 2003065135 (to Bayer AG), December, 18, 2002.

Process for preparing nuclear-fluorinated aromatics
M. Henrich, A. Marhold, A. A. Kolomeitsev, G. V. Roeschenthaler, DE10129057/EP 1266904/US 2003036667 (to Bayer AG), December, 18, 2002.

Borate salts for use in electrochemical cells 
G.-V. Roeschenthaler, G. Bissky, A. Kuhner, M. Schmidt, A. A. Kadyrov, A. A. Kolomeitsev, DE 10103189/EP 1229038 (to Merck GmbH), October, 31, 2002.

Method of obtaining perfluoroalkylthiolates and arylperfluoroalkyl thiolates 
G.-V. Roeschenthaler, G. Bissky, A. A. Kolomeitsev, P. Kirsch, DE 10254597 (to Merck GmbH), December, 21, 2001.

Process for preparing fluorine-containing aromatic compounds 
A. A. Kolomeitsev, S. V. Pazenok, RU2175959 (to Aventis Res & Tech GMBH & CO (US), February, 6, 2001.

Preparation of fluorine-containing compounds 
A. A. Kolomeitsev, S. V. Pazenok, Pat. PCT Int. Appl., WO 9805610/EP9704284/US 6184425 (to Hoechst Research Deutschland GmbH und Co.), C.A.1998, 128, 252250a.

Manufacture of polyvinyl fluorocinnamate photopolymer 
S.-B. Kwon, H.-Hyun-Shin, W.-P. Park, A. Dyadyusha, Yu. Reznikov, A. Kizhnyak. O. Yaroshchuk, I. Gerus, A. A. Kolomeitsev, KR 135162 (to Goldstar Co., Ltd.), April 4, 1998.

Tetrafluoroborates of tetrakis(N,N-dialkylamido)phosphonium as electrolytes for high-capacity double-layer supercapacitors 
Yu. A. Maletin, A. A. Mironova, A. A. Kolomeitsev, G. N. Kojdan, RU 2,022,926,Izobretenia, 1994, 21, 83. C.A., 1995, 123, 46150k.

Thermostable Photopolymer Material for Liquid Crystal Device 
W.-P. Park, H. Hyun-Shin, S.-B. Kwon, A. G. Duadyusha, Yu. A. Reznikov, A. A. Kolomeitsev, I. I. Gerus, DE 4417409 (to Goldstar Co., Ltd.), C.A.,1995,122, 252250a.

Liquid crystal device utilizing thermostable polymeric material 
W.-P. Park, H. Hyun-Shin, S. B. Kwon, A. G. Duadyusha, Yu. A. Reznikov, A. A. Kolomeitsev, I. I. Gerus, (to Goldstar Co., Ltd.), US 5538823, July 7, 1996.

Method of obtaining perfluoro -and chlorofluoroalkylsulfenyl and sulfonyl chlorides 
A. A. Kolomeitsev, L. M. Yagupolskii, USSR 1 612 531, Otkrytia, Izobretenia,1991, 238. C.A., 1992, 116, P 193709h.

Method of producing p -nitrophenyl hydrazine 
S. V. Pazenok, A. A. Kolomeitsev, V. I. Popov, SU1616904, USSR, Otkrytia, Izobretenia, 1990, 82. C.A., 1991, 114, P 246939a.

Preparation of 2 -oxo -4 -(2" -difluoromethylthiophenyl) -5 -methoxycarbonyl )-6 -methyl -1 ,2,3,4 -tetrahydropyrimidine having coronary -dilating activity 
V. V. Kastron, G. Dubur, A. A. Kolomeitsev, L.M. Yagupolskii, US 4738965, C.A.,1989, 110,P 114855c.

Preparation of 4 -[2-(difluoromethylthio)phenyl] -1,2,3,4-tetrahydro-5-(methoxycarbonyl)-6methyl-2-pyrimidone as coronary vasodilator 
V. V. Kastron, G. Dubur, A. A. Kolomeitsev, L. M. Yagupolskii, GB 2 200 629, C.A.,1989, 110,P 18547h.

Copper (trifluoromethyl) -or (pentafluorophenyl) mercaptides and selenides 
A. A. Kolomeitsev, N. V. Kondratenko, V. I. Popov, L. M. Yagupolskii, USSR 1 129 206, Otkrytia, Izobretenia, 1984, 75. C.A., 1985, 103, P 221169j.

2,6 -Dimethyl -3,5 -dicarbomethoxy -4 -(o -difluoromethylthiophenyl ) -1,4-dihydropyridine having antihypertensive and vasodilator activity 
V. V. Kastron, G. Dubur, A. A. Kolomeitsev, L. M. Yagupolskii, FR 2 509 727, C.A.,1983, 99,P 139778x.

Publications

ChemTaurus Research Publications and Presentations 
These research papers presented by ChemTaurus scientists in 2009-2010, include publications and talks given at the 19th ACS Winter Fluorine Meeting and the 16th European Symposium on Fluorine Chemistry. The presentations highlight various aspects of modern fluorine chemistry, such as fluoroorganic synthetic methods, inorganic and theoretical fluorine chemistry, fluorine in biological chemistry, industrial fluorine chemistry, and fluorine in polymers and energy research.

Diastereoselective synthesis of trans-trifluoromethyl-β-lactams and α-alkyl-β-trifluoromethyl-αamino esters. 
V. Petrik, D. Cahard, G. –V. Roeschenthaler, Tetrahedron, 2011, 67, 3254-3259.

Polytrifluoromethylation versus Polyfluorination of the Isomers of Kekule Benzene and Phenol: A Theoretical Study. 
L. Lipping,; I. Koppel; I. A. Koppel; A.A. Kolomeitsev; G.-V. Roschenthaler; I. Leito, Journal of Organic Chemistry, 2010, 75 (19), 6436-6444.

The Tris(trifluoromethyl)methyl Phosphonium Ion, P(CF3)3CH3+, Preparation and Structure. 
O. Shyshkov, U. Dieckbreder, T. Drews, A.A. Kolomeitsev, G.-V. Roschenthaler, K. Seppelt, Inorganic Chemistry, 2009, 48(13), 6083-6085.

TiCl4 and Grignard reagent-promoted ring-opening reactions of various epoxides: synthesis of γ-hydroxy-α,α-difluoromethylenephosphonates 
R. Pajkert, A.A. Kolomeitsev, M. Milewska, G.-V. Roeschenthaler, H. Koroniak,Tetrahedron Letters, 2008, 49(42), 6046-6049.

Synthesis of trans-Trifluoromethyl-β-Lactams by Asymmetric Staudinger Reaction. 
V. Petrik, V. Kukhar, G. –V. Roeschenthaler, Manuscript in Preparation.

Pentakis(trifluoromethyl)phenyl, a Sterically Crowded and Electron-withdrawing Group: Synthesis and Acidity of Pentakis(trifluoromethyl)benzene, -toluene, -phenol, and –aniline 
A. A. Kolomeitsev, A. Kutt, V. Movchun, T. Rodima, I. Koppel, T. Dansauer, E. B. Rusanov, I. Leito, I. Kaljurand, I. Koppel, V. Pihl, G. Ovsjannikov, L. Toom, M. Mishima, M. Medelbielle, E. Lork, G.-V. Roeschenthaler, J. Org. Chem. 2008, 73,2607-2620.

Versatile application of trifluoromethyl triflate 
A. A. Kolomeitsev, M. Vorobyev, H. Gillandt, Tetrahedron Lett. 2008, 49, 449–454.

Radical Trifluoromethylation of Ammonium Enolates. 
V. Petrik, D. Cahard, Tetrahedron Lett., 2007, 48, 19, 3327-3330. HTML: doi:10.1016/j.tetlet.2007.03.097

Towards Enantioselective Electrophilic Trifluoro-methylation of β-Keto Esters. 
J.-A. Ma, V. Petrik, D. Cahard, 10th International Conference on Synthetic Organic Chemistry (ECSOC-10), 2006, a034. HTML: www.usc.es/congresos/ecsoc/10/ECSOC10.htm

Guanidinophosphazenes: Design, Synthesis and Basicity in THF and in the Gas Phase 
A. A. Kolomeitsev, I. Koppel, T. Rodima, J, Barten, E. Lork, G.-V. Roeschenthaler, I. Kaljurand, A. Kuett, I. Koppel, V. Maeemets, I. Leito, J. Am. Chem. Soc.,2005, 127, 17656-17666.

Halex Reactions of Aromatic Compounds Catalysed by 2-Azaallenium, carbophosphazenium, aminophosphonium and Diphosphazenium Salts: Comparative Study 
A. Marhold, A. Pleschke, M. Schneider, A. A. Kolomeitsev, G-V. Roeschenthaler,J. Fluorine Chem., 2004, 125, 1031-1038.

N-Bis(methylthio)methylene-trifluoromethanesulfonylamide CF3SO2N=C(SCH3)2: New Reagent for the Preparation of N-Trifluoromethylsulfinylimino Carbonic and Thiocarbonic Acids Derivatives. 
V. Petrik, N. Kondratenko, L. M. Yagupolskii, Preparative Organic Chemistry,2004, 33,

Perfluoroalkyl borates and boronic esters: new promising reactive partners for Suzuki and Petasis reactions 
A. A. Kolomeitsev, A. A. Kadyrov, J. Szchepkowska, M. Milewska, H. Koroniak, J. Barten, G.-V. Roeschenthaler, Tetrahedron Lett., 2003, 44, 8273-8277.

Regioselective 1,4-trifluoromethylation of α ,α -enones using "protect in-situ" methodology 
D. V. Sevenard, V. Ya. Sosnovskikh, A. A. Kolomeitsev, M. H. Koenigsmann, G.-V. Roeschenthaler, Tetrahedron Lett., 2003, 44, 7623-7627.

Non-cyclic α 10-S-5α Sulfuranide Dioxide Salts with Three S-C Bonds: A New Class of Stable Hypervalent Compounds 
D. V. Sevenard, A. A. Kolomeitsev, B. Hoge, E. Lork, and G.-V. Roeschenthaler;J. Am. Chem. Soc., 2003, 125, 12366-12367.

A new family of delocalized lipophilic cations 
M. Henrich, A. Marhold, A. A. Kolomeitsev, N. Kalinovich, and G.-V. Roeschenthaler, Tetrahedron Lett., 2003, 44, 5795-5798.

N-Bis(methylthio)methylenetrifluoro-methanesulfonylamide CF3SO2N=C(SCH3)2: New Reagent for the Preparation of N-Trifluoromethylsulfonylimino Carbonic and Thiocarbonic Acids Derivatives. 
V. Petrik, N.V. Kondratenko, L.M. Yagupolskii, J. Fluorine Chem., 2003, 124, 2, 151-158. HTML: doi:10.1016/S0022-1139(03)00202-1

Hexaalkylguanidinium (2-Dialkylamino-1,3-dimethylimidazolinium) Trimethyldifluoro-silicates and Perfluoroalkoxides; Accidental Isolation and Molecular Structure of [C(NMe2)3]+ F-.6 CH2Cl2 
A. A. Kolomeitsev, G. Bissky, J. Barten, N. Kalinovich, E. Lork, G.-V. Roeschenthaler, Inorganic Chemistry, 2002, 41, 6118-6124.

P-bis(trifluoromethyl)ylides: Synthesis and reactions 
U. Dieckbreder, G.-V. Roeschenthaler, A. A. Kolomeitsev, Heteroatom Chemistry,2002, 13, 650-653.

Fluorination of chloroarenes in the presence of amidophosphonium salts 
A. A. Kolomeitsev, S. V. Pazenok, A. P. Marchenko, Yu. N. Kojdan, A. M. Pinchuk, L. M. Yagupolskii, Ukr. Khim. Zh. (Russ.), 2002, 68, 103-106. C. A. 2003, 137, 369779f.

Crystal structure of hexamethylguanidinium difluorotrimethylsiliconate 
G. Bissky, E. Lork, A. A. Kolomeitsev, G.-V. Roeschenthaler, Z. Krist., 2002, 217, 419.

N-Trifluoromethylsulfonylimino deri-vatives of carbonyl-containing donor-acceptor systems. 
L.M. Yagupolskii, V.N. Petrik, Y.L. Slominskii, Tetrahedron Lett, 2002, 43, 21, 3957-3959. HTML: doi:10.1016/S0040-4039(02)00586-5

The immense acidifying effect of the supersubstituent =NSO2CF3 on the acidity amides and amidines of benzoic acids in acetonitrile. 
L.M. Yagupolskii, V.N. Petrik, N.V. Kondratenko, L. Soovali, I. Kaljurand, I. Leito, I.A. Koppel, J. Chem. Soc., Perkin Trans. 2, 2002, 11, 1950-1955. HTML: http://www.rsc.org/Publishing/Journals/P2/article.asp?doi=b204172c

A Facile New Method for the Two-step Substitution of Hydroxy Groups in Primary Alcohols for Trifluoromethyl and Pentafluoroethyl Moieties 
D. V. Sevenard, P. Kirsch, G.-V. Roeschenthaler, V. N. Movchun, A. A. Kolomeitsev, Synlett, 2001, 379-382.

Heteroaryl-N-difluoromethyltrimethylsilanes -Versatile Sources of Heteroaryl-N-difluoromethyl Anions in Reactions with Carbonyl Compounds
G. Bissky, V. I. Staninets, A. A. Kolomeitsev, G.-V. Roeschenthaler, Synlett,2001, 374-379.7

The aza Cutius rearrangement 
L.M. Yagupolskii, S.V. Shelyazhenko, I.I. Maletina, V.N. Petrik, E.B. Rusanov, A.N. Chernega, Eur. J. Org. Chem, 2001, 1225-1233. HTML: http://www3.interscience.wiley.com/cgi-bin/abstract/77005560/ABSTRACT

Generation of heteroarylium-N-difluoromethylides and heteroaryl-N-difluoromethyl anions and their reactions with electrophiles: Heteroaryl-and heteroarylium-N-difluoromethyl trimethylsilanes and a new heteroaryl-N-trifluoromethane 
G. Bissky, M. Medebielle, V. Staninets, A. A. Kolomeitsev, G.-V. Roeschenthaler,J. Fluorine Chem., 2001, 109, 173-181.

Simple synthesis of mono-and difluoroalanines 
I.I. Gerus, A. A. Kolomeitsev, M.I. Kolycheva, V. P. Kukhar, J. Fluorine Chem.,2000, 105, 31 -34.

Synthesis, Structure and Reactivity of a Trifluoromethyl Sulfide Anionic Salt Stabilized with the Tetrakis(dimethylamino)ethylene Dication (TDAE2+) 
A. A. Kolomeitsev, M. Medebielle, P. Kirsch, E. Lork, G.-V. Roeschenthaler, J. Chem. Soc. Perkin Trans. 1, 2000, 2183-2185.

A simple route to hexamethylguanidinium fluoride 
A. A. Kolomeitsev, G. Bissky, P. Kirsch, G.-V. Roeschenthaler, J. Fluorine Chem.,2000, 103, 159-161.

Different fluoride anion sources and (trifluoromethyl)trimethylsilane: Molecular structure of tris(dimethylamino)sulfonium bis(trifluoromethyl) trimethylsiliconate, the first isolated pentacoordinate silicon species with five Si-C bonds 
A. A. Kolomeitsev, G. Bissky, E. Lork, V. Movchun, E. Rusanov, P. Kirsch, G.-V. Roeschenthaler, Chem. Commun., 1999, 1017-1019.

The first alkyl bismuthates: tris(trifluoromethyl)fluoro-and tetrakis(trifluoromethyl)-bismuthate 
W. Tyrra, D. Naumann, N. V. Kirij, A. A. Kolomeitsev, Y. L. Yagupolskii. J. Chem. Soc., Dalt. Trans., 1999, 657-658.

Addition of Hexafluoroacetone to Amidophosphites 
M. Goerg, E. Lork, A. A. Kolomeitsev, G.-V. Roeschenthaler, Phosphorus, Sulfur and Silicon, 1998, 127, 15-25.

Two-step phosphorus-mediated substitution of hydroxy groups in selected primary alcohols for fluorinated alkyl or aryl substituents 
A. A. Kolomeitsev, A. Starev, K. Chabanenko, T. Savina, E. Lork, G.-V. Roeschenthaler, Chem. Commun., 1998, 705-706.

Crystal structure of bis(4-dimethylaminopyridinium)methane dichloride bis(acetonitrile) solvate, C19H28Cl2N6 
G.-V. Roeschenthaler, R. Schoth, E. Lork, A. A. Kolomeitsev, Zeitschrift fuer Kristallographie -New Crystal Structures, 1997, 212(3), 397-398.

4-Dimethylamino-pyridinium derivatives of 1,2-dibromo-1,1,2,2,-tetrafluoroethane. molecular structure of 1-(4-dimethylaminopyridinium)-2-bromo-1,1,2,2-tetrafluoroethane bromide and 1(4-dimethylamino-pyridinium)-1,1,2,2-tetrafluoroethane bromide 
R. Schoth, E. Lork, A. A. Kolomeitsev, G.-V. Roeschenthaler, J. Fluor. Chem.,1997, 84, 41-44.

Crystal and molecular structure of bis(4-dimethylaminopyridinium)methane dichloride 
G.-V. Roeschenthaler, R. M. Schoth, A. A. Kolomeitsev, Z. Krist., 1997, 212, 397-399.

Advances in Trifluoromethylating Phosphorus Compounds 
A. A. Kolomeitsev, M. Goerg, U. Dieckbreder, E. Lork, G-V. Roeschenthaler,Phosphorus, Sulfur and Silicon, 1996, 109, 597-600.

A simple procedure of tris(trifluoromethyl)phosphane synthesis 
M. Goerg, G.-V. Roeschenthaler, A. A. Kolomeitsev, J. Fluor. Chem., 1996, 79, 103-104.

First P-trifluoromethylated ylides 
U. Dieckbreder, A. A. Kolomeitsev, G.-V. Roeschenthaler, J. Heteroatom. Chem.,1996, 7, 281-285.

Facile new method for synthesizing N-polyfluoroalkylated heterocycles -molecular structure of N-(bromodifluoromethyl)-4-dimethylaminopyridinium bromide 
A. A. Kolomeitsev, R.-M. Schoth, G.-V. Roeschenthaler, Chem. Commun., 1996, 335-336.

Nucleophilic trifluoromethylation of organic substrates using (trifluoromethyl)trimethylsilane in the presence of a fluoride anion. A convenient route to aryltrifluoromethyl -sulfides, -sulfoxides and -sulfones 
V. N. Movchun, A. A. Kolomeitsev, Yu. L. Yagupolskii, J. Fluor. Chem., 1995, 70, 255-257.

Molecular structure and reactivity of trifluoromethyl-tris(dialkylamino)phosphonium bromides 
A. N. Chernega, A. A. Kolomeitsev, Yu. L. Yagupolskii, A. Genntzsch, G.-V. Roeschenthaler, J. Fluor. Chem., 1995, 70, 271-275.

A simple preparation of difluorophosphoranes using unhydrous zinc and tetramethylammonium fluorides 
A. A. Kolomeitsev, F. U. Seifert, G.-V. Roeschenthaler, J. Fluor. Chem., 1995, 71, 74-76.

Reaktionen an trifluormethyldimethylphosphin: Molekulstruktur von [3,3,3-trifluor-2-hydroxy-2(trifluoro-methyl)]propylmethyl-trifluoromethyl-phosphinoxid 
A. A. Kolomeitsev, Y. L. Yagupolskii, A. Gentsch, E. Lork, G.-V. Roeschenthaler,Phosphorus, Sulfur and Silicon, 1994, 92, 179-187.

A convienent method for transformation of alcohols into alkyl trifluoromethyl sulfides 
A. A. Kolomeitsev, G. -V. Roeschenthaler, K. Yu. Chabanenko, Yu. L. Yagupolskii,Synthesis, 1994, 145-146.

Cyclization reactions with hexafluoroacetone and phosphonous acid derivatives containing the trifluoromethyl group; molecular structure of two 1,3,2 dioxaphospho-lanes 
A. N. Chernega, A. A. Kolomeitsev, R. D. Hund, A. Gentzsch, G.-V. Roeschenthaler, J. Fluorine Chem., 1993, 60, 263-273.

Tris(dimethylamino)sulfonium 1,1,4,5-pentakis (trifluoromethyl)-2,5-cyclohexadienide-A new stable fluorinated carbanion salt prepared by anionic trifluoromethylation of 1,2,4,5 tetrakis(trifluoromethyl)benzene 
A. A. Kolomeitsev, V. N. Movchun, Yu. L. Yagupolskii, W. Dmowski, Tetrahedron Lett., 1992, 41, 6191-6192.

Trifluoromethylation of perfluoroaromatic compounds with trifluoromethyl(trimethyl)-silane in the presence of fluoride -ion 
V. V. Bardin, A. A. Kolomeitsev, Yu. L. Yagupolskii, Izv. Akad. Nauk SSSR, Ser. Khim. 1990, 16631694. C.A., 1991, 115, 279503c.

A convenient route to aryltrifluoromethyl sulfones by fluoride catalyzed crosscoupling of arenesulfonyl fluorides with (trifluoromethyl)trimethyl silane and stannane 
A. A. Kolomeitsev, V. N. Movchun, Yu. L. Yagupolskii, Synthesis, 1990, 1151-1152.

Tetraamidophosphonium hydrogen difluoride -a convenient source of fluoride-anion 
A. A. Kolomeitsev, Yu. L. Yagulpolskii, Zh. Org. Khim., 1990, 26, 1143-1144.C.A., 1991, 114, 5476s.

Reactions of hexakis (trifluoromethylthio) -and -selenobenzenes with nucleophiles 
A. A. Kolomeitsev, L. M. Yagupolskii; Zh. Org. Khim, 1986, 22, 2559-2564. C.A.,1987, 107, 175584y.

Polynitro -and poly(trifluoromethylsulfonyl) -substituted diphenylamines 
A. A. Kolomeitsev, N. V. Kondratenko, L. M. Yagupolskii, Zh. Org. Khim., 1986,22, 1721-1728. C. A., 1987, 107, 39310d.

Synthesis and reactions of (trifluoromethyl) thio (seleno)-and (pentafluorophenyl)thio -and selenocopper 
N. V. Kondratenko, A. A. Kolomeitsev, V. I. Popov, L. M. Yagupolskii, Synthesis,1985, 6-7, 667-669.

Acid-base properties of perfluoroalkylsulfonyl -substituted benzoic acids and anilines 
N. V. Kondratenko, A. A. Kolomeitsev, L. M. Yagupolskii, Zh. Obshch. Khim.,1983, 53, 2500-2505. C.A., 1984, 100, 50987f.

Hexakis (trifluoromethylthio)-, (trifluoromethylseleno)-, (pentafluorophenylthio)-andselenobenzenes 
A. A. Kolomeitsev, N. V. Kondratenko, L. M. Yagupolskii, Zh. Org. Khim., 1983,19, 2361-2363. C.A., 1984, 100, 209281v.

Stable 1,1 -diphenyl -2 -[2,4,6 -tris (trifluoromethylsulfonyl)phenyl] hydrazyl 
L. M. Markovskii, A. A. Kolomeitsev, L. M. Yagupolskii, Zh. Org. Khim. 1982, 18, 2217-2219. C. A., 1983, 98, 88902c .

New type of anionic dyes: Salts of 2,2", 4,4", 6,6" -hexakis (trifluoromethylsulfonyl) diphenylmethane and -1 ,3 –diphenylpropene 
A. A. Kolomeitsev, L. M. Yagupolskii, N. V. Kondratenko, Zh. Org. Khim., 1982,18, 2390-2396. C.A. 1983, 98, 73816d.

Synthesis and biological activity of a series of arylperfluoroalkyl sulfides and sulfones 
V. I. Popov, A. A. Kolomeitsev, Fiziol. Act. Veshestva, 1980, 12, 36-49. C. A.;1981, 95, 42546z .

Electronic nature of perfluoroalkylthio-, -seleno-, and -telluro containing substituents 
V. V. Lutskii, A. A. Kolomeitsev, N. V. Kondratenko, L. M. Yagupolskii, Zh. Org. Khim., 1980, 16, 12151221, C. A:, 1980, 93, 185545t.

Aryl-heptafluoropropyl tellurides 
V. Popov, A. A. Kolomeitsev, N. V. Kondratenko, L. M. Yagupolskii, Zh. Org. Khim., 1979, 15, 15611563. C. A., 1979, 90, 54603a.

Arylperfluoro-tert.-butyl sulfides and sulfones 
N. V. Kondratenko, A. A. Kolomeitsev, V. I. Popov, Zh. Org. Khim., 1978, 14,1904-1909, C. A., 1979, 91, 174948j.