The 1,t-2,t and 1,t-2,c-isomers of 1,2-dibenzoyl-3-phenylcyclopropanes have been prepared by the cycloaddition of carbonyl-stabilized sulfur ylides to trans-chalcones under phase-transfer conditions. The configurations of the isomers were characterized by IR- and 1H-NMR-spectral studies.
在相转移条件下,通过将羰基稳定的
硫酰化物与反式
查耳酮进行环加成,制备出了 1,t-2,t 和 1,t-2,c-1,2-二苯甲酰基-3-苯基
环丙烷异构体。通过红外光谱和 1H-NMR 光谱研究确定了异构体的构型。