EFFICIENT SYNTHESIS OF CONJUGATED (2E)-EN-4-YNOIC ACIDS OR (2Z)-EN-4-YNOIC ACIDS AND (2E,4E)OR (2Z,4E)-DIENOIC ACIDS VIA PALLADIUM-CATALYZED CROSS-COUPLING
M. Abarbri et al., EFFICIENT SYNTHESIS OF CONJUGATED (2E)-EN-4-YNOIC ACIDS OR (2Z)-EN-4-YNOIC ACIDS AND (2E,4E)OR (2Z,4E)-DIENOIC ACIDS VIA PALLADIUM-CATALYZED CROSS-COUPLING, Synthesis, (1), 1996, pp. 82
(E)- or (Z)-Enynoic acids and (2E,4E)- or (2Z,4E)-dienoic acids can be
obtained in good yields under mild conditions through palladium-catal
ysed cross coupling of (E)- or (Z)-3-iodoprop-2-enoic acid with alkyny
lzinc or vinyltin reagents.