P. Fossa, G. Menozzi, P. Schenone
Jul 19, 1994
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Journal
Farmaco
Abstract
The synthesis of some 5-substituted 4-isoxazoleacetic acids starting from 5-substituted 4-isoxazolemethanols via their conversion to 4-(bromomethyl)isoxazoles, 4-isoxazoleacetonitriles and acid hydrolysis of the latter is described. 5-Ethyl- and 5-propyl-4-isoxazoleacetic acids showed in the writhing test an analgesic activity comparable to that of aspirin.