The cerium (III) mediated reaction of trimethylsilylmethyl magnesium chloride with esters and lactones: The efficient synthesis of some functionalised allylsilanes of use in annulation reactions
作者:Thomas V. Lee、Julia A. Channon、Carmel Cregg、John R. Porter、Frances S. Roden、Helena T-L. Yeoh
DOI:10.1016/s0040-4020(01)89114-6
日期:1989.1
(111) chloride alters the chemoselectivity of the reaction of trimethylsilylmethyl magnesiumchloride with ester-acetals and also greatly improves the efficiency of reaction with lactones. In addition it gives improved preparations of the useful intermediates (7), (13), (18),(20) and (22) and gives direct access to the valuable functionalised allylsilanes (1) to (3) of use in annulation reactions.