ADDITION DU DI-t-BUTYLZINC A LA TRIPLE LIAISON DES ENYNES CONJUGUES, SIMPLES ET FONCTIONNELS: INFLUENCE DE DIVERS FACTEURS SUR LA STEREOCHIMIE DE LA REACTION

Article abstract of DOI:10.1016/S0022-328X(00)93382-5

Addition reaction between di-t-butylzinc and a conjugated E- or Z-enyne in refluxing tetrahydrofuran, is a regioselective but not a stereoselective reaction: for the resulting conugated diene, the formation of four stereoisomers ZE, EZ, ZZ and EE, or of t