Allyl ethers of trifluoroethanol are transformed to difluorinated analogues of deoxysugars via concise sequences involving dehydrofluorination/metallation, [3,3]-Claisen rearrangement, reduction, and RCM, affording cyclohexenediol substrates for dihydroxylation reactions.
三氟乙醇的
烯丙基醚通过涉及脱
氟化氢/
金属化、[3,3]-克莱森重排、还原和RCM的简明序列转化为脱氧糖的二
氟化类似物,为二羟基化反应提供
环己烯二醇底物。