Synthesis and biological activity of oxindolylidene derivatives of imidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazin-7-ones and imidazo[4,5-e]thiazolo[2,3-с]-1,2,4-triazin-8-ones


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Аннотация

Reactions of 1,3-dialkyl-2-thioxo-1,2,3,3a,9,9a-hexahydroimidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazin-7(6H)-ones with isatin and its derivatives under base catalysis conditions lead to the corresponding 1,3-dialkyl-6(7)-(2-oxoindolin-3-ylidene)derivatives of 2-thioxo-1,2,3,3a,9,9a-hexahydroimidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazin-7(6H)-one or 2-thioxo-1,2,3,3a,4,9a-hexahydroimidazo[4,5-e]thiazolo[2,3-c]-1,2,4-triazin-8(7H)-one resulting from the aldol-crotonic condensation and skeletal amidine rearrangement of the thiazolotriazine fragment, depending on the amount of added alkali.

Авторлар туралы

A. Izmest’ev

Zelinskii Institute of Organic Chemistry

Email: gaz@ioc.ac.ru
Ресей, Leninskii pr. 47, Moscow, 119991

G. Gazieva

Zelinskii Institute of Organic Chemistry

Хат алмасуға жауапты Автор.
Email: gaz@ioc.ac.ru
Ресей, Leninskii pr. 47, Moscow, 119991

A. Kulikov

Zelinskii Institute of Organic Chemistry

Email: gaz@ioc.ac.ru
Ресей, Leninskii pr. 47, Moscow, 119991

L. Anikina

Institute of Physiologically Active Substances

Email: gaz@ioc.ac.ru
Ресей, Chernogolovka, Moscow oblast

N. Kolotyrkina

Zelinskii Institute of Organic Chemistry

Email: gaz@ioc.ac.ru
Ресей, Leninskii pr. 47, Moscow, 119991

A. Kravchenko

Zelinskii Institute of Organic Chemistry

Email: gaz@ioc.ac.ru
Ресей, Leninskii pr. 47, Moscow, 119991

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