The result demonstrats that isomerization occur in cis and trans of DES and its derivatives,which is effected obviously by polar solvents.

• 结果表明:在极性溶剂中,己烯雌酚和其衍生物存在着顺反异构转化现象,极性有机溶剂的溶剂化作用促使顺反异构体的转化。