Ph<sub>3</sub>P promoted one-pot synthesis of dialkyl 2-(2-oxopyridin-1(2<i>H</i>)-yl)but-2-enedioates from a reaction of 2-hydroxypyridine and dialkyl acetylenedicarboxylates
作者:Issa Yavari、Ali R. Alborzi、Bita Mohtat
DOI:10.3184/030823407x228821
日期:2007.7
2-Hydroxypyridine undergoes a smooth reaction with dialkyl acetylenedicarboxylates in the presence of triphenylphosphine (15 mol%) to produce the E/Z isomers of dialkyl 2-(2-oxopyridin-1(2 H)-yl)but-2-enedioates in high yields.