Nitrogen bridgehead compounds having anti-allergic effect

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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42424853, 42424856, 542418, 542419, 542432, 542458, 544116, 544119, 544282, A61K 31505, C07D47104

Patent

active

042345863

ABSTRACT:
Antiallergic and particularly antiasthmatic compounds of the formula: ##STR1## of which 9-phenylhydrazono-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido(1,2-a)pyrimi dine-3-carboxylic acid is an especially significant example.

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Macarovici et al., Chemical Abstracts, vol., 61, 9371 (1964).

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