Abstract
A procedure has been developed for the high-yield coupling of chiral acetals 1 with allyltrimethylsilane (2, R′=H) as well as with methallyltrimethylsilane (2,R′=ME) to afford the hydroxy ethers 3 in which the new chiral center is formed highly enantioselectively. Homoallylic alcohols 4 of high ee are produced by removal of the chiral auxiliary.
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