Reaction of CN− with the adduct obtained from PtCl42− and a mixture of cis- and trans-2-methylthiacyclooct-4-ene liberates the cis ligand, and GLC analysis excludes the presence of free trans olefin. It is suggested that platinum complexes induce extensive trans→cis olefin isomerization.
的MCL反应4 2- (M =
钯,
铂)与顺-thiacyclooct -4-烯,顺式-2- methylthiacyclooct -4-烯和顺-2- phenylthiacyclooct -4-烯(顺-S -4-辛)得到通式MCl 2(顺式-S -4-辛基)的螯合物。X射线结构测定表明与
金属的配位同时通过烯烃双键和
硫原子发生。CN的反应-与
氯铂酸得到的加合物4 2-和的混合物的顺式-和反式-2- methylthiacyclooct -4-烯释放出顺
配体,GLC分析排除了游离反式烯烃的存在。建议
铂络合物诱导广泛的反式→顺式烯烃异构化。