Zobrazeno 1 - 10
of 28
pro vyhledávání: '"L. A. Rodinovskaya"'
Autor:
K. G. Nikishin, Anatoliy M. Shestopalov, A. E. Fedorov, Pavel A. Belyakov, L. A. Rodinovskaya
Publikováno v:
Russian Chemical Bulletin. 62:2214-2226
A simple and convenient preparative method for the synthesis of 3-cyano-4-difluoro- and -trifluoromethylpyridine-2(1H)-thiones was developed. During studies of synthetic potential of these compounds, approaches to the synthesis of a number of annulat
Autor:
K. G. Nikishin, L. A. Rodinovskaya, Alexandr A. Shestopalov, Anatoliy M. Shestopalov, A. E. Fedorov, Andrei A. Gakh, V. E. Kalugin
Publikováno v:
Journal of Fluorine Chemistry. 130:236-240
The synthesis of 3-cyano-2-fluoropyridines from readily available precursors was achieved via nucleophilic substitution of a leaving group in the 2-postion with KF or Bu 4 NF in polar aprotic solvents such as DMF and DMSO. Ionic tetrahydrothiophenium
Autor:
A. M. Shestopalov, Yu.M. Litvinov, V. Yu. Mortikov, L. A. Rodinovskaya, Aleksandr A. Shestopalov
Publikováno v:
Russian Chemical Bulletin. 57:2373-2380
A versatile method for the synthesis of 2′-amino-1,2-dihydrospiro[(3H)-indole-3,4′-(4′H)-pyran]-2-ones has been suggested consisting in the three-component reaction of isatins, cyanoacetic acid derivatives, and α-methylenecarbonyl compounds (
Autor:
Anatoliy M. Shestopalov, A. E. Fedorov, L. A. Rodinovskaya, Pavel A. Belyakov, K. G. Nikishin
Publikováno v:
ChemInform. 46
3-Cyano-4-difluoro- and trifluoromethylpyridine-2(1H)-thiones are synthesized by a simple and convenient method and used for the synthesis of a number of annulated heterocyclic systems.
Publikováno v:
Russian Chemical Bulletin. 49:348-354
Substituted 4-hydroxy-1H-thieno[2,3-b;4,5-b′]dipyridin-2-ones were prepared by the reactions of 3-cyanopyridine-2(1H)-thiones with alkyl 4-chloroacetoacetates and by intramolecular cyclization of alkyl 4-(2-pyridylthio)acetoacetates or alkyl 3-(3-a
Publikováno v:
ChemInform. 22
trans-4,5-Substituted 1,4,5,6-tetrahydropyridine-2-(olates)thiolates are prepared either from pyridinium salts and cyanoacetic acid derivatives or from pyridinium salts, aromatic aldehydes and ethyl cyanoacetate or cyanoacetamide in the presence of a
Publikováno v:
ChemInform. 25
The heteroannelation reaction of 3-cyanopyridine-2(1 H )-thiones with N -cyanochloroacetamidine leads consecutively to thieno[2,3- b ]pyridines and 2,4-diaminopyrido[3′,2′:4,5]thieno[3,2- d ]pyrimidines.
Publikováno v:
ChemInform. 25
This review is concerned with the synthesis, structure, physico-chemical properties and reactivity of 3-cyanopyridin-2(1H)-ones, -thiones, and -selenones and their derivatives. The 3-cyanopyridin-2(1H)-ones, -thiones, and -selenones being bifunctiona
Publikováno v:
ChemInform. 31
Substituted 4-hydroxy-1H-thieno[2,3-b;4,5-b′]dipyridin-2-ones were prepared by the reactions of 3-cyanopyridine-2(1H)-thiones with alkyl 4-chloroacetoacetates and by intramolecular cyclization of alkyl 4-(2-pyridylthio)acetoacetates or alkyl 3-(3-a
Autor:
Aleksandr A. Shestopalov, V. Yu. Mortikov, Yu.M. Litvinov, A. M. Shestopalov, L. A. Rodinovskaya
Publikováno v:
ChemInform. 41
A versatile method for the synthesis of 2′-amino-1,2-dihydrospiro[(3H)-indole-3,4′-(4′H)-pyran]-2-ones has been suggested consisting in the three-component reaction of isatins, cyanoacetic acid derivatives, and α-methylenecarbonyl compounds (