A new route to the synthesis of 3-methylenecoumarins-via Lewis acid catalyzed rearrangement of methyl α-aryloxymethylacrylates
作者:K. Sunitha、K.K. Balasubramanian、K. Rajagopalan
DOI:10.1016/0040-4039(84)80025-8
日期:——
Methyl-α-aryloxymethylacrylates 1a–c have been found to rearrange to furnish the methylenecoumarins 2a–c when refluxed in methylene chloride in the presence of anhydrous AlCl3.