Ether formation from allylic alcohols catalyzed by samarium trichloride
作者:Mohsen Ouertani、Jacqueline Collin、Henri B. Kagan
DOI:10.1016/s0040-4020(01)91389-4
日期:1985.1
behaviour of various allylic alcohols in the presence of catalytic amounts of SmCl3 (by heating in 1,2-dichloroethane) has been studied. Diallyl ethers are obtained in many cases in good yields. Mixed allyl alkyl ethers are also prepared if 2–5 equivalents of an aliphaticalcohol is present. The reactions are interpreted as proceeding through a pseudo allylic carbonium intermediate initiated by a preliminary