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公开(公告)号:US3770761A
公开(公告)日:1973-11-06
申请号:US3770761D
申请日:1971-09-21
申请人: HOFFMANN LA ROCHE
发明人: BRETSCHNEIDER H , GRASSMAYR K , KRAFT HOHENLOHE OEHRINGEN , GUESSNER A
IPC分类号: C07D263/62 , C07D263/52 , F16L9/10 , C07D85/28
CPC分类号: C07D263/52 , F16L9/10 , Y10S514/866
摘要: COMPOUNDS OF THE FORMULA 2-(O=),3-(R3-SO2-NH-CO-),7,8,8-TRI(R-)PERHYDRO-4,7- METHANO-1,3-BENZOXAZOLE WHEREIN R AND R3 ARE AS HEREINAFTER DESCRIBED, UTILIZED IN THE PREPARATION OF BICYCLIC SULFONYLUREA DERIVATIVES BY REACTION WITH AN ALKYL METAL COMPOUND, ARE DESCRIBED. THE FINAL PRODUCTS ARE USEFUL AS HYPOGLYCEMIC AGENTS.