3-benzyl-1,7a-dihydro-9-methoxybenzofuro[3,2-e]isoquinolin-2,4-dione 以1.66 g (48%)的产率得到3-Benzyl-1,3,5,6,7,7a-hexahydro-9-methoxy-5-methoxycarbonyl-4a,7-ethenobenzofuro[3,2-e]-isoquinoline-2,4-dione
参考文献:
名称:
Imide intermediates for the preparation of analgesic and/or antagonist