(3S,5aR,6S,8S)-3,6-dimethyl-8-(2-methylprop-1-en-1-yl)-4,5,5a,6,7,8-hexahydrocyclohepta[cd]isobenzofuran-9(3H)-one 在
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
甲苯 为溶剂,
反应 48.0h,
以100%的产率得到(3S,5aR,6S,8R)-3,6-dimethyl-8-(2-methylprop-1-en-1-yl)-4,5,5a,6,7,8-hexahydrocyclohepta[cd]isobenzofuran-9(3H)-one