2-[(E)-2-methyl-2-butenyloxy]methyl-5-phenylthiophene 以
苯 为溶剂,
反应 2.0h,
生成 (2aR*,4aR*,7aS*)-2a,3,4a,5,6,7-hexahydro-4,4a-dimethyl-6-oxa-2a-phenyl-3-thia-4H-cyclobuta[c]pentalene 、 (2aR*,4aR*,7aS*)-2a,3,4a,5,6,7-hexahydro-4,4a-dimethyl-6-oxa-2a-phenyl-3-thia-4H-cyclobuta[c]pentalene