(Z)-2-[(3-CARBAMOYL-4,5,6,7-TETRAHYDROBENZO[b]THIEN-2-YL)AMINO]-4-(4-R-PHENYL)-4-OXOBUT-2-ENOIC ACIDS, HAVING ANALGESIC ACTIVITY Russian patent published in 2014 - IPC C07D333/68 A61K31/381 A61P29/00 

Abstract RU 2503671 C1

FIELD: chemistry.

SUBSTANCE: invention relates to organic chemistry and specifically to biologically active substances which are (Z)-2-[(3-carbamoyl-4,5,6,7-tetrahydrobenzo [b]thien-2-yl)amino]-4-(4-R-phenyl)-4-oxobut-2-enoic acids of general formula (1-3) . The acids (1-3) are obtained by reacting 4-(4-R-phenyl)-2,4-dioxobutanoic acid with an amide of 2-amino-4,5,6,7-tetrahydro[b]thiophene-3-carboxylic acid in a medium of ethyl alcohol at 60°C, followed by extraction of the end product using existing methods.

EFFECT: obtaining novel compounds with high output, having marked analgesic activity and low toxicity.

1 tbl, 4 ex

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RU 2 503 671 C1

Authors

Shipilovskikh Sergej Aleksandrovich

Rubtsov Aleksandr Evgen'Evich

Makhmudov Ramiz Ragibovich

Dates

2014-01-10Published

2012-07-31Filed