2,3,4,4a-tetrahydro-10-methoxy-4a-methyl-4aH-8-oxa-benzocycloocteno<5,6-b>pyridine 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
生成 cis-1,2,3,4,4a,12b-hexahydro-10-methoxy-4a-methyl-8-oxa-benzocycloocteno<5,6-b>pyridine 、 trans-1,2,3,4,4a,12b-hexahydro-10-methoxy-4a-methyl-8-oxa-benzocycloocteno<5,6-b>pyridine