Novel Pyridine-Catalyzed Reaction of Dimethyl Acetylenedicarboxylate with Aldehydes: Formal [2 + 2] Cycloaddition Leading to 2-Oxo-3-benzylidinesuccinates
作者:Vijay Nair、A. Ramachandran Sreekanth、A. Unni Vinod
DOI:10.1021/ol016550z
日期:2001.11.1
[reaction: see text]. The 1,4-zwitterionic intermediate generated from pyridine and DMAD adds to aldehydes in a formal [2 + 2] manner, resulting in the facile synthesis of 2-oxo-3-benzylidinesuccinates.