PREPARATION OF 77CHLOROO22METHYLL3* 3AADIHYDROO 2H*9HHISOOXAZOLO*3*22B**1*3*BENZOXAZINN99ONE

摘要

The compound 7-chloro-2-methyl-3,3a-dihydro-2H,9H-isoxazolo(3,2-b)(1,3)-benzoxazin- 9-one is produced by reacting a mixture of tetrahydrofuran and crotonaldehyde with 5-chlorosalicylhydroxamic acid. The compound has demonstrated utility as a uricosuric agent.