The invention is directed to a process for the manufacture of pancreatic lipase-inhibiting oxetanone ethyl esters of the formula ##STR1## wherein X is undecyl or 2Z,5Z-undecadienyl; C.sub.6 is n-hexyl; Y is isobutyl and Z is formyl or Y is carbamoylmethyl and Z is acetyl; which process comprises esterifying the corresponding oxetanone ethanols, or hydrogenating the 3-undecenyl group in corresponding oxetanone ethyl ester starting materials to the undecyl group X, or N-formylating or N-acetylating corresponding primary amines.
该发明涉及一种制备胰脂酶
抑制剂氧杂
环戊酮乙酯的工艺,其
化学式为##
STR1##其中X为
十一烷基或2Z,5Z-十一
烯基;C.sub.6为正己基;Y为异丁基,Z为甲酰基或Y为
氨甲基,Z为
乙酰基;该工艺包括
酯化相应的
氧杂
环戊酮乙醇,或在相应的
氧杂
环戊酮乙酯起始原料中
氢化3-十一
烯基团至
十一烷基X,或对应的主要胺基进行N-甲酰化或
N-乙酰化。