Abstract
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(2W)-yl)but-2-enedioates in high yields.
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APA
Yavari, I., Alborzi, A. R., & Mohtat, B. (2007). Ph3P promoted one-pot synthesis of dialkyl 2-(2-oxopyridin-1(2H) -yl)but-2-enedioates from a reaction of 2-hydroxypyridine and dialkyl acetylenedicarboxylates. Journal of Chemical Research, (7), 397–399. https://doi.org/10.3184/030823407X228821
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