Isoxazole intermediate compounds

Details Isoxazole intermediate compounds Isoxazole intermediate compounds

1975-04-04

1976-05-04

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603068R, C07D26108

Patent

active

039547868

ABSTRACT:
A process for the synthesis of N-aryl-3,4-dihydro-2-alkyl-4-oxo-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxides by treatment of N-aryl-N'-alkyl-N'-(2'-alkoxycarbonylbenzenesulfonyl)glycineamides, useful intermediates for said process, with an alkali or alkaline earth metal hydride in a reaction-inert solvent at 50.degree.-150.degree.C., said products being antiinflammatory agents.

REFERENCES:
patent: 3853862 (1974-12-01), Lombardino

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