SYNTHESIS OF STEREOISOMERICALLY PURE (E)-1,5-DIYN-3-ENES AND (E)-1-BROMO-3-YN-1-ENES BY DIASTEREOSELECTIVE PALLADIUM-CATALYZED CROSS-COUPLING REACTION OF 1-ALKYNYLZINC CHLORIDES WITH A STEREOISOMERIC MIXTURE OF 1,2-DIBROMOETHYLENE.

DOI: 10.1016/S0040-4039(00)94272-2

Source and publish data:

Tetrahedron Letters p. 4351 - 4354 (1986)

Update date:2022-08-04

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Authors:

Carpita, Adriano

Rossi, Renzo

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Article abstract of DOI:10.1016/S0040-4039(00)94272-2

In the stereospecific palladium-catalyzed cross coupling reaction of 1-alkynylzinc chlorides, (E)-1,2-dibromoethylene reacts preferentially in the presence of (Z)-1,2-dibromo-ehylene.Productcs of di- or mono substitution can be obtained according to the ratio of reagents.

Full text of DOI:10.1016/S0040-4039(00)94272-2

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