甲基碘化镁 、
二甲胺 、
(+-)-3-(8'a-methyl-(4'ar,8'at)-hexahydro-dispiro[[1,3]dioxolane-2,1'-naphthalene-6',2''-[1,3]dioxolan]-5'c-yl)-propionic acid methyl ester 在
乙醚 作用下,
生成 (+/-)-3-(8'a-methyl-(4'a
r,8'a
t)-hexahydro-dispiro[[1,3]dioxolane-2,1'-naphthalene-6',2''-[1,3]dioxolan]-5'
c-yl)-propionic acid dimethylamide