Zobrazeno 1 - 10
of 36
pro vyhledávání: '"E. S. Nikitskaya"'
Publikováno v:
Pharmaceutical Chemistry Journal. 8:82-86
Publikováno v:
Pharmaceutical Chemistry Journal. 8:597-601
Autor:
M V Rubtsov, E S Nikitskaya
Publikováno v:
Russian Chemical Reviews. 34:439-451
Publikováno v:
Chemistry of Heterocyclic Compounds. 6:592-596
Reaction of triacetonamine with ethyl cyanoacetate and ammonium acetate gives, in addition to the normal Knoevenagel reaction product (2,2,6,6-tetramethyl-4-ethoxycarbonylcyanomethylenepiperidine), its conversion product 3-cyano-4-(β,β-dimethylviny
Publikováno v:
Chemistry of Heterocyclic Compounds. 7:212-216
A method was developed for the synthesis of the first representative of the previously unreported quinuclidine derivatives with four geminal substituents in the α-positions with respect to nitrogen, viz., 2,2,6,6-tetramethylquinuclidine, from triace
Publikováno v:
Chemistry of Heterocyclic Compounds. 7:349-354
6,6,7,7-Tetramethyl-2-quinuclidone was synthesized, and its differences from the usual amides were shown. It enters into three types of chemical reactions: 1) the N-CO bond is broken under the influence of protic nucleophilic agents (water, alcohols,
Publikováno v:
Chemistry of Natural Compounds. 6:606-611
The spatial structures of a number of piperidine-4-olderivatives having substituents in the ring such as methyl, methoxy- and ethoxycarbonyl, and phenyl groups, have been determined by means of their PMR spectra.
Publikováno v:
Pharmaceutical Chemistry Journal. 7:555-558
Publikováno v:
Chemistry of Heterocyclic Compounds. 5:485-490
Three isomeric dimethyl esters of 4-hydroxypiperidine-2, 6-dicarboxylic acid have been isolated. The spatial structures of all three isomeric esters and of the acids corresponding to them have been established on the basis of NMR spectra. It has been
Publikováno v:
Pharmaceutical Chemistry Journal. 1:160-163
Some new alkamino esters of quinuclidine-2-carboxylic, 1,6-dimethylpiperidine-2-carboxylic and 6-methylpyridine-2-carboxylic acid and their quaternary salts have been synthesized for pharmacological study. The methods of synthesis for some alkamino a