Preparation of Cyclic Carbonates from Alkadienols, CO<sub>2</sub>, and Aryl or Vinylic Halides Catalyzed by a Palladium Complex
作者:Kumiko Uemura、Daiziro Shiraishi、Masayoshi Noziri、Yoshio Inoue
DOI:10.1246/bcsj.72.1063
日期:1999.5
novel three-component reaction of alkadienol, CO2, and aryl or vinylic halide gives a vinyl group-substituted cyclic carbonate in one pot in the presence of a catalytic amount of a palladium complex. 2,3-Alkadienol affords five-membered ring carbonate in good yield, while 3,4-alkadienol effects the six-membered one successfully. 2,4-Alkadienol also takes part in this reaction to provide five-membered
在催化量的钯配合物存在下,链二烯醇、CO 2 和芳基或乙烯基卤化物的新型三组分反应在一个锅中得到乙烯基取代的环状碳酸酯。2,3-链二烯醇以良好的收率提供五元环碳酸酯,而3,4-链二烯醇成功地影响六元碳酸酯。2,4-链二烯醇也参与该反应以提供五元环碳酸酯。已经推测涉及作为中间体的π-烯丙基钯物种的反应途径。