5-Substituted-3-isoxazolecarboxylic acid derivatives

Details 5-Substituted-3-isoxazolecarboxylic acid derivatives 5-Substituted-3-isoxazolecarboxylic acid derivatives

1983-04-06

1984-08-14

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, 424263, 424271, 544 22, 544 25, 544 27, 544 28, 544 30, C07D49968, C07D49970, C07D50122, C07D50144

Patent

active

044656319

ABSTRACT:
A 5-substituted-3-isoxazolecarboxylic acid derivative of the general formula: ##STR1## wherein X stands for a phenyl group, thienyl group, furyl group or pyridyl group, each of which optionally may carry at least one substituent group; R stands for a phenyl group or hydroxyphenyl group; and A stands for a group of the formula: ##STR2## wherein Y stands for ##STR3## in which the carbon atom with which the carboxyl group combines with the nitrogen atom in A, M stands for a hydrogen atom or a substituent group, and Z stands for a hydrogen atom, hydroxy group, acyloxy group, carbamoyloxy group, aromatic heterocycle thio group or aromatic nitrogen-containing heterocycle quaternary ammonium group, is disclosed along with methods for producing these compounds.

REFERENCES:
patent: 3939149 (1976-02-01), Konig et al.
patent: 3959258 (1976-05-01), Konig et al.
patent: 4217450 (1980-08-01), Yasuda et al.

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