Chelation controlled addition of allylstannanes to aldehydes in lithium perchlorate-diethyl ether
作者:Kenneth J. Henry、Paul A. Grieco、Christopher T. Jagoe
DOI:10.1016/s0040-4039(00)74150-5
日期:1992.3
α-Alkoxy aldehydes undergo chelation controlled addition of allylstannanes with high diastereoselectivity in the presence of 5.0 M lithium perchlorate in diethyl ether at ambient temperature and pressure.
Chelation control associated with organometallic addition reactions in water. The high stereoselectivity offered by α- and β-hydroxyl substituents obviates the need for protecting groups
作者:L Paquette
DOI:10.1016/00404-0399(50)1439o-
日期:1995.9.18
High stereoselectivities have been observed for indium-promoted allylations of alpha- and beta-hydroxy aldehydes in aqueous media, with strong implication that chelate control can continue to operate in water.