Tetrahedron Letters p. 5499 - 5502 (1986)
Update date:2022-08-04
Topics:
Marek, I.
Mangeney, P.
Alexakis, A.
Normant, J.F.
The copper catalyzed reaction of Grignard reagents with asymetric propargylic ethers leads to chiral allenes, with very high optical yield.This reaction proceeds through a syn addition to the triple bond followed by a syn or anti β-elimination, according to the nature of the halogen of the Grignard derivative.
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