close

Вход

Забыли?

вход по аккаунту

?

код для вставки
2005
Pyrimidine derivatives
R 0510
Synthesis and Thermal Transformations of 5-Nitropyrimidin-4-yl Dialkyldithio— Attempts to obtain 1,3-dithiolopyrimidine derivatives by thermolysis
03- 150 carbamates.
of readily prepared title carbamates (III) result either in an intramolecular ipso-substitution of the nitro group leading to disulfides of type (V) or elimination of carbon disulfide affording 4,6-diamino-5-nitropyrimidine derivatives (IV) depending on the
steric effect of the substituent in the 6-position of the pyrimidine ring. Attempts to synthesize corresponding monoalkyldithiocarbamate analogues of (III) by reaction of
chloropyrimidines (I) with monoalkyldithiocarbamates (VII) fail. — (RYABOVA, O.
B.; MAKAROV, V. A.; CHERNYSHEV, V. V.; GRANIK*, V. G.; Russ. Chem. Bull.
53 (2004) 4, 882-888; State Sci. Cent. Antibiot., Russ. Fed., Moscow 117105, Russia;
Eng.) — D. Singer
Документ
Категория
Без категории
Просмотров
0
Размер файла
157 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа