Tetrahedron p. 2721 - 2732 (1987)
Update date:2022-09-26
Topics:
Bernard, Didier
Doutheau, Alain
Gore, Jacques
Several α-allenic ketones and aldehydes 1 have been synthesised from monosubstituted acetylenic compounds 2 and α-carbonyl ketals 3.The key step is the reaction of propargylic mesylates 5 with a Grignard reagent in the presence of CuBr.The sequence is app
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