Mild and tolerant: Vinylzinc reagents were directly prepared from the reaction of vinyl iodides with ZnEt2 under mild reaction conditions. The compound (S)-1 was found to catalyze the addition of the vinylzinc reagents to a variety of aldehydes to generate structurally diverse allylic alcohols with high yields and enantioselectivities. This catalytic process can tolerate functional groups such as esters, chlorine, ethers, and silyl ethers on the substrates. acac=acetylacetonate, NMP=N-methyl-2-pyrrolidone.
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