One-Pot Synthesis of Tetraalkyl Benzene-1,2,3,5-tetracarboxylates from a Four-Component Reaction of Alkyl Propiolates and Alkyl 2-Nitroethanoates Promoted by Ph3P
作者:Issa Yavari、Loghman Moradi、Anvar Mirzaei
DOI:10.1002/hlca.200690260
日期:2006.12
Alkyl 2-nitroethanoates react with alkylpropiolates in the presence of triphenylphosphine (Ph3P) in a mechanistically unprecedented reaction to afford tetraalkyl benzene-1,2,3,5-tetracarboxylates in moderate yields (36–42%).