Zobrazeno 1 - 10
of 107
pro vyhledávání: '"L. G. Shagun"'
Publikováno v:
Russian Journal of General Chemistry. 90:1235-1240
The base-free reactions of 2-thiobenzothiazole, -imidazole, and -oxazole with iodomethyldimethyl(ethynyl)- and (phenyl)silanes have been studied. Depending on the reaction conditions, organosilicon acetylenic, organosilicon aromatic, or siloxane thio
Publikováno v:
Russian Journal of Organic Chemistry. 56:833-839
Previously unknown carbofunctional organosilicon derivatives of azoles are synthesized by the reactions of sulfanyl derivatives of benzoxazole, benzothiazole, benzimidazole, and triazole with (iodomethyl)dimethyl(phenyl)silane and (iodomethyl)(ethyny
Publikováno v:
Russian Journal of Organic Chemistry. 56:68-75
According to the matrix-free laser desorption/ionization time-of-flight mass spectrometric data, the reaction of benzimidazole with bis(iodomethyl)tetramethyldisiloxane at different temperatures leads to the formation of linear and cyclic organosilic
Publikováno v:
Chemistry of Heterocyclic Compounds. 55:888-892
The reaction of imidazole and benzotriazole derivatives with 1,3-diiodopropan-2-one in the absence of bases and catalysts leads to the formation of linear and cyclic salt systems in one preparative step.
Publikováno v:
Russian Journal of Organic Chemistry. 55:1160-1165
2,2′-(Disulfanediyl)- and 2,2′-[alkanediylbis(sulfanyl)]-bisbenzimidazoles react with aliphatic, aromatic, and heterocyclic α-iodoketones in the presence of elemental iodine without solvents, basic media, and catalysts to afford polyiodides of t
Publikováno v:
Russian Journal of Organic Chemistry. 55:1071-1076
The reactions of 1,3-benzothiazole-2-thiol and di(1,3-benzothiazol-2-yl) disulfide with (iodomethyl)silanes containing exocyclic and endocyclic silicon atoms occurs in the presence of elemental iodine to afford organosilicon benzothiazolium and disul
Publikováno v:
Russian Journal of General Chemistry. 89:1625-1629
The earlier unknown organosilicon polyiodides of 2-thiobenzimidazolium have been synthesized basing on the three-component reaction of 2-thiobenzimidazole, bis(iodomethyl) derivatives of siloxanes or silanes, and molecular iodine; the products have b
Publikováno v:
Russian Journal of Organic Chemistry. 55:983-987
1,3-(Di)acetonylimidazolium and -benzimidazolium triiodides were synthesized in a one-pot fashion by reactions of imidazole, 3-(1H-imidazol-4-yl)prop-2-enoic acid, benzimidazole, benzimidazol-2-amine, and 2-ethylbenzimidazole with 1-iodopropan-2-one
Publikováno v:
Russian Journal of Organic Chemistry. 55:436-441
Five possible paths of the formation of imidazo[2,1-b][1,3]thiazole fused heterocyclic system in the reaction of 4,5-dihydro-1H-imidazole-2-thiol with 1-iodopropan-2-one have been simulated by DFT B3LYP quantum chemical calculations. Analysis of the
Publikováno v:
Russian Journal of Organic Chemistry. 55:129-136
A quantum-chemical study of the reaction mechanism of 2-mercaptobenzothiazole with (iodomethyl)(dimethyl)phenylsilane in the presence of iodine was performed by the B3LYP/6-311G(d,p) method. Possible routes of formation of annulated heterocyclic syst