Tetrahedron p. 111 - 118 (1988)
Update date:2022-07-29
Topics:
Alvarez, E.
Cuvigny, T.
Penhoat, Herve C. du
Julia, M.
The stereoselective sythesis of 2-isopropyl 1,4-dienes and isopropylmagnesium chloride under transition-metal catalysis is described.Iron salts, which were better catalysis than palladium or nickel ones, led to substitution of the sulfonyl group with >97percent stereospecificity and without isomerization of the isopropyl Grignard moiety to the n-propyl derivative.Notable amounts of the compound resulting from reduction of the sulfonyl group were also formed.
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