The linear trienes were obtained in high yields by copper-mediated cycloaddition of 2,5-bis（trimethylsilyl）zirconacyclo- pentadienes with dimethyl acetylenedicarboxylate （DMAD） which can be quantitatively converte...The linear trienes were obtained in high yields by copper-mediated cycloaddition of 2,5-bis（trimethylsilyl）zirconacyclo- pentadienes with dimethyl acetylenedicarboxylate （DMAD） which can be quantitatively converted to novel asymmetric hex- asubstituted cyclohexadienes with high （E）-stereoselectivity. The structure of cyclohexadienes was determined via X-ray analysis.展开更多
基金funded by National Natural Science Foundation of China(No21102099)
文摘The linear trienes were obtained in high yields by copper-mediated cycloaddition of 2,5-bis（trimethylsilyl）zirconacyclo- pentadienes with dimethyl acetylenedicarboxylate （DMAD） which can be quantitatively converted to novel asymmetric hex- asubstituted cyclohexadienes with high （E）-stereoselectivity. The structure of cyclohexadienes was determined via X-ray analysis.
