Tetrazole-5-carboxamide derivatives

Details Tetrazole-5-carboxamide derivatives Tetrazole-5-carboxamide derivatives

Filed on

1976-09-24

Date issued

1978-09-26

Examiner

Daus, Donald G.

Patent Class

Organic compounds -- part of the class 532-570 series

SubClass

Organic compounds

SubSubClass

Nitrogen attached directly or indirectly to the purine ring...

Other Related Categories

544331, 544405, 544 58, 424250, C07D40312

Type

Patent

Status

active

Patent number

041169603

Description

ABSTRACT:
Anti-allergic agents of N-aromatic 1H-(or 2H) tetrazole-5-carboxamide derivation present the following formulae: ##STR1## in which R.sup.1 is --CN or --CONH.sub.2 ;

REFERENCES:
patent: 4013647 (1977-03-01), Sellstedt et al.

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