A Synthesis of 6-Tributylstannyl-3,4-dihydro-2H-pyrans via Coupling of Enol Triflates with (Bu3Sn)(Bu)CuLi·LiCN
作者:Tanya Wildman、Philip J. Kocienski、Robert Narquizian、William G. Whittingham
DOI:10.1055/s-2002-20041
日期:——
Enoltriflates derived from 6- and 7-membered ring lactones (6 cases) react with (Bu 3 Sn)(Bu)CuLi.LiCN in THF at -78°C to give the corresponding α-tributylstannyl cyclic enol ethers in 54-85% yield.