Novel benzothiopyran derivatives

Details Novel benzothiopyran derivatives Novel benzothiopyran derivatives

1979-02-08

1980-09-09

Randolph, John D.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Allergen or component thereof

424263, 546280, 549 28, A61K 3138, C07D33506

Patent

active

042218063

ABSTRACT:
Novel benzothiopyran derivatives of the general formula ##STR1## in which R is free, esterified or amidated carboxyl or free or etherified hydroxymethyl, Ph is 1,2-phenylene which contains the group R--CO--NR.sub.3 -- and can be substituted, X is a group of the formula --CO--CR.sub.1 .dbd.CR.sub.2 --, in which R.sub.1 and R.sub.2 independently of one another are hydrogen, acyl or a substituted or unsubstituted hydrocarbon radical or a hetero-analogue thereof or together are 3-membered to 5-membered lower alkylene, and R.sub.2 can also be free or etherified hydroxyl or hydroxyl esterified by an organic carboxylic acid, and R.sub.3 is hydrogen or lower alkyl, possess antiallergic properties and can be used as medicaments.

REFERENCES:
patent: 3008969 (1961-11-01), Pretka
patent: 3937719 (1976-02-01), Sellstedt et al.

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