1130141-19-3Relevant academic research and scientific papers
Palladium-catalyzed cyclization of enediynes to benzopyranones
Chang, Wei-Ren,Lo, Yu-Hsiang,Lee, Chia-Ying,Wu, Ming-Jung
supporting information; experimental part, p. 1248 - 1252 (2009/06/25)
Treatment of methyl 2-[6-substituted-3(Z)-hexen-1,5-diynyl]benzoates (1) with five mol% of palladium chloride and three equivalents of cupric chloride in refluxing acetonitrile gave dibenzo[b,d]pyran-6-ones (2) in modest to good yields.
