合成这些 de dihydro-1,2 triphenyl-1,3,4 (oualkyl-1 diphenyl-3,4) phosphete a partir de di-[η 5 -cyclopentadienyl]-1,1 diphenyl-2,3 zirconacyclobutene-2 et de 苯基 (ou 烷基) 二氯膦
Reactivity of 1,2-dihydrophosphetes: formation and structural characterization of a formal [4 + 2] cycloadduct
作者:Kenneth M. Doxsee、Gregory S. Shen、Carolyn B. Knobler
DOI:10.1039/c39900001649
日期:——
Dihydrophosphetes (phosphacyclobutenes) react with Michael acceptors to form cycloadducts, apparently through the intermediacy of zwitterionic species.