乙酸酐 、
methyl (8R,9S,2'S,3'S,2E,4Z,6E)-8-[2'-amino-3'-phenylbutanoyloxy]-9,10-epoxy-9-methyl-2,4,6-decatrienoate 在
吡啶 作用下,
反应 2.0h,
以71%的产率得到methyl (8R,9S,2'S,3'S,2E,4Z,6E)-8-(2'-acetylamino-3'-phenylbutanoyloxy)-9,10-epoxy-9-methyl-2,4,6-decatrienoate