2-[1-[2-(2-Methyl-allyloxy)-phenyl]-meth-(E)-ylidene]-3,4-dihydro-2H-naphthalen-1-one 在
劳森试剂 作用下,
以
苯 为溶剂,
反应 2.0h,
生成 (6aR,12bS)-6a-Methyl-6a,7,13,14-tetrahydro-6H,12bH-8-oxa-5-thia-benzo[c]chrysene 、 (6aS,12bS)-6a-Methyl-6a,7,13,14-tetrahydro-6H,12bH-8-oxa-5-thia-benzo[c]chrysene