(2E,4E)-4-methyl-2,4-hexadien-1-al dimethyl acetal 、
rac-dimethyl 2-<2'-(benzyloxycarbonylamino)-3'-phenylpropylidene> malonate 以
xylene 为溶剂,
反应 192.0h,
以5%的产率得到rac-methyl (3R
*,3aS
*,4S
*,7R
*,7aS
*)-3-benzyl-2-benzyloxycarbonyl-4-dimethoxymethyl-6,7-dimethyl-1-oxo-3a,4,7,7a-tetrahydroisoindoline-7a-carboxylate