Zobrazeno 1 - 10
of 14
pro vyhledávání: '"V. P. Vetchinov"'
Autor:
L. S. Klimenko, II'ya Ya. Mainagashev, V. P. Vetchinov, Victor I. Mamatyuk, Zoya Leonenko, Nina P. Gritsan
Publikováno v:
Tetrahedron. 51:3061-3076
The primary stage of the reaction between 9-aryloxy-1,10-anthraquinones and methanol is the nucleophilic 1,4-addition which gives rise to the adduct, corresponding to 1-hydroxy-9-methoxy-9-aryloxy-10-anthrone. The reaction of 9-aryloxy-1,10-anthraqui
Autor:
V. P. Vetchinov, Victor I. Mamatyuk, Aleksei Ya. Tikhonov, Dmitrii G. Mazhukin, Leonid B. Volodarsky, Natal'ya P. Evlampieva
Publikováno v:
Liebigs Annalen der Chemie. 1994:983-987
The reaction of the ninhydrin (1) with 1,2-bishydroxylamines 2a–c affords dihydroindeno[1,2-b]pyrazine N,N′-dioxides 5a–c. The intermediates hexahydro- and tetrahydroindeno[1,2-b]pyrazines 3a and 4c, which have been isolated, are easily transfo
Autor:
I. Yu. Bagryanskaya, T. D. Petrova, V. I. Mamatyuk, V. P. Vetchinov, V. E. Platonov, I. V. Kolesnikova, Yu. V. Gatilov
Publikováno v:
Russian Chemical Bulletin. 42:1540-1546
N-Pentafluorophenylcarbonimidoyl dichloride reacts with aromatic hydrocarbons (benzene, toluene, xylenes, and mesitylene) in the presence of AlCl3 to give stableN-pentafluorophenylbenzimidoyl chlorides, which can further react with aromatic hydrocarb
Publikováno v:
Russian Chemical Bulletin. 42:903-908
Photolysis of 2-(4-alkyI(phenyl)piperazino)-3-amino-1,4-naphthoquinones affords 2-alkyl (phenyl)-1,2,3,4,12,12a-hexahydronaphtho[2′,3′∶4,5]imidazo[1,2-a]pyrazine-6,11-diols which recyclize at elevated temperatures to yield 1,2,3,4-tetrahydro-13
Publikováno v:
Russian Chemical Bulletin. 42:899-903
Irradiation of a mixture of 1-aryloxy-2-amino-9,10-anthraquinone and amines in benzene results in formation of the derivatives of 2-amino-1-hydroxy-9,10-anthraquinone-9-alkyl(aryl)imines in a high yield. 2-Amino-1-hydroxy-9,10-anthraquinone-9-aikylim
Publikováno v:
Russian Chemical Bulletin. 42:318-322
Using1H and13C NMR spectroscopy, naphthodihydroimidazolediols were identified as the primary products of photolysis of 2-dialkylamino-3-amino(alkylamino)-1,4-naphthoquinones. Their further non-photochemical (≪thermal≫) transformations depend on t
Publikováno v:
ChemInform. 25
Publikováno v:
ChemInform. 25
Autor:
V. P. Vetchinov, V. I. Mamatyuk, V. E. Platonov, T. D. Petrova, I. V. Kolesnikova, I. Yu. Bagryanskaya, Yu. V. Gatilov
Publikováno v:
ChemInform. 25
Autor:
V. I. Mamatyuk, V. P. Vetchinov, A. Ya. Tikhonov, Leonid B. Volodarsky, D. G. Mazhukin, N. P. Evlampieva
Publikováno v:
ChemInform. 26