发明名称 FREMGANGSMAADE TIL FREMSTILLING AF OXETANONER
摘要 A process for preparing the pancreatic lipase-inhibiting oxetanone ethyl esters of the general formula I <IMAGE> where C11 is undecyl, C6 is n-hexyl, Y is isobutyl, and Z is formyl, or Y is carbamoylmethyl and Z is acetyl, in which an oxetanone of the general formula I" <IMAGE> where C11, Y and C6 have the abovementioned meaning, is treated with an alkanoylating agent, which introduces the Z group.
申请公布号 DK98792(A) 申请公布日期 1992.08.05
申请号 DK19920000987 申请日期 1992.08.05
申请人 F.HOFFMANN-LA ROCHE AG 发明人 BARBIER, PIERRE;SCHNEIDER, FERNAND;WIDMER, ULRIC
分类号 C07D305/12;(IPC1-7):C07D305/12 主分类号 C07D305/12
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