ales generated from the corresponding propargylic acetals rearrange in the presence of boron trichloride thus opening an efficient and convenient route to a variety of homopropargylic alcohols free of the corresponding allenic isomers. Unexpectedly, the parent derivative leads exclusively to the allenic alcohol.
在
三氯化硼的存在下,由相应的炔丙基
缩醛产生的
硫代烷基炔有机
硼酸盐可以重排,从而为各种不含相应的烯丙基异构体的高炔丙基醇打开了一条有效而便捷的途径。出乎意料的是,母体衍
生物仅导致
烯丙醇。