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Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 40:2470-2474
Thiazolecarboxylate esters (I) and (II) react with hydrazine hydrate to give the acid hydrazides (III) and (IV), which then react with KSCN and PhNCS to give high yields of the thiosemicarbazides (V)-(VIII). Cyclocondensation of the thiosemicarbazide
Autor:
G. V. Pokhvisneva, O. A. Luk'yanov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 40:2221-2224
Methods are developed for synthesizing (2,2,2-trinitroethoxy)acetic acid (TNEAA) by oxidation of the 2,2,2-trinitroethyl ethers of allylic alcohol or ethylene glycol; among the carboxyl group derivatives obtained were esters from the simplest alcohol
Autor:
V. E. Kalugin, V. P. Litvinov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 40:1391-1394
Reaction of 2-[(organylthio)methyl]oxiranes with acetic anhydride gives a mixture of 3-(organylthio)-1,2-diacetoxypropane and 2-(organylthio)-1,3-diacetoxypropane, and with acetyl chloride a mixture of 2-chloro-3-(organylthio)-1-acetoxypropane and 3-
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 40:1436-1440
Polyfluoroalkylsulfenyl chlorides thiolate phenol and its ortho- and meta-substituted derivatives regiospecifically at the para-position in the absence of a catalyst and of a hydrogen chloride acceptor. Ortho thiolation occurs with significantly grea
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 40:1244-1248
Reaction of 2-(dichloromethyl)furan (I) with KOH in a CH2Cl2 medium and in the presence of alcohols (methanol, ethanol, and n-butanol) and a catalytic amount of triethylbenzylammonium chloride (TEBAC) results in the formation of 2-chloro-methylene-5-
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 40:721-727
Anilides (II)-(XIII), (XV), (XVI), (XIX), and chloronitroacetamide (XVIII) were obtained in a yield of 38–90% by ammonolysis of the corresponding dichloro- (I) and chloronitroacetyl chlorides (XIV). Dichloronitroacetanilides (II), (V), ethyl (XX),
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 39:1879-1882
α-Fluorosulfatoperfluoroethyl isopropyl ketone I and fluorosulfatopentafluoroacetone II react with alkali metal chlorides and bromides to form the corresponding α-haloperfluoro ketones as a result of direct nucleophilic substitution.
Autor:
Leplyanin Gennadij, Leonard M. Khalilov, R. Kh. Yumagulova, L. Kh. Bikchurina, E. V. Vasil'eva
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 39:1287-1291
The reaction of the acid chlorides of alkylenebisphosphonic acids with ethylene glycol and ethylene chlorohydrin gave ethylene glycol and β-chloroethyl esters of alkylenebisphosphonic acids. The quaternization of these products leads to choline este
Autor:
Leonid V. Spirikhin, Leonard M. Khalilov, F. Z. Galin, S. N. Lakeev, Tolstikov Genrikh A, V. N. Iskandarova
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 39:1238-1242
The reaction was studied of fulvenes with ethyl (dimethylsulfuranylidene)acetate generated under interphase catalysis conditions from the sulfonium salt\([Me\mathop S\limits^ + CH_2 --CO_2 Et)]Br^-- \) by the action of 85% KOH in the presence of trie
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 39:294-297
Upon reaction of aliphatic and aromatic nitroso compounds with esters of N,N-dibromoglycine N-substituted N-(alkoxycarbonylmethyl)diazene-N-oxides are formed. The ethyl ester of (2-phenyldiazene-2-oxido)acetic acid in concentrated H2SO4 is transforme