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

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

CARPITA, ADRIANO;ROSSI, RENZO
1986-01-01

Abstract

In the stepeospecific palladium-catalyzed cross coupling reaction of 1-alkynylzinc chlorides, (E)-1,2-dibromoethylene reacts preferentially in the presence of (Z)-1,2-dibromoethylene.Products of di- or mono-substitution can be obtained according to the ratio of reagents.
Carpita, Adriano; Rossi, Renzo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/12219
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