96185-13-6Relevant articles and documents
A PALLADIUM-PROMOTED ROUTE TO 3-ALKYL-4-(1-ALKYNYL)-HEXA-1,5-DYN-3-ENES AND/OR 1,3-DYENES
Rossi, Renzo,Carpita, Adriano,Bigelli, Clara
, p. 523 - 526 (2007/10/02)
Reaction of benzene solutions of arylacetylenes with 1 equiv. of chloroacetone and 2 eqiuv. of Et3N, using a mixture of (PPh3)4Pd and CuJ as catalyst, affords 1,4-diaryl-butadiynes in very good yields.Under similar reaction conditions aliphatic 1-alkynes yield mixtures of simmetrically disubstituted 1,4-dialkyl-1,3-butadiynes and of 3-alkyl-4-(1-alkynyl)-hexa-1,5-diyn-3-enes.