α,β-Trimethylen-Δα,β-butenolid; Lacton der 2-Hydroxymethyl-cyclopenten-1-carbonsaeure;3,4,5,6-tetrahydro-cyclopenta[c]furan-1-one;3,4,5,6-tetrahydro-1H-cyclopenta[c]furan-1-one;1,4,5,6-tetrahydrocyclopenta[c]furan-3-one
An unusual palladium-catalyzed carbonylative cyclization of β-bromovinyl aldehydes leading to lactones
摘要:
beta-Bromovinyl aldehydes are carbonylatively cyclized under carbon monoxide pressure in MeCN at 100 degrees C in the presence of a catalytic amount of a palladium catalyst along with a base to give the corresponding lactones in high yields. (c) 2006 Elsevier Ltd. All rights reserved.