Palladium-catalyzed asymmetric arylation of 4,7-dihydro-1,3-dioxepin. Catalytic asymmetric synthesis of γ-butyrolactone derivatives
作者:Yuichi Koga、Mikiko Sodeoka、Masakatsu Shibasaki
DOI:10.1016/0040-4039(94)88030-1
日期:1994.2
The palladium-catalyzedasymmetric arylation of 4,7-dihydro-1,3-dioxepin 1d has been shown to give 2d-h (up to 75% ee), which can be readily converted to γ-butyrolactone derivatives. The important role of molecular sieves in the asymmetric Heck reaction has been also clarified.