4.8 Article

Rh(II)/Pd(0) Dual Catalysis: Regiodivergent Transformations of Alkylic Oxonium Ylides

期刊

ACS CATALYSIS
卷 7, 期 11, 页码 7902-7907

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acscatal.7b02909

关键词

cooperative; dual catalysis; pi-allyl palladium complex; rhodium-carbenoids; oxonium ylides; quaternary carbon center

资金

  1. National Natural Science Foundation of China [21402154, 21502150]
  2. Chinese Universities Scientific Fund [2452016093]
  3. Northwest AF University [2452017034, 2452016006, Z111021404]

向作者/读者索取更多资源

A Rh(II)/Pd(0) dual-catalysis strategy that promotes the regio-divergent transformations of alkylic oxonium ylides from alpha-diazo-beta-ketoesters has been developed. Polyfunctionalized dihydrofuran-3-ones with an O-substituted quaternary carbon center and 2,3-disubstituted benzofurans can be selectively obtained in good to excellent yields at room temperature via one-pot synthesis. The reaction mechanism was further investigated by the control, stepwise, and crossover experiments.

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