5435-93-8Relevant articles and documents
A one-step synthesis of 2,3-dihydro-4H-pyran-4-ones from 3-ethoxy α,β-unsaturated lactones
Winkler, Jeffrey D.,Oh, Kyungsoo
, p. 2421 - 2423 (2005)
(Chemical Equation Presented) Addition of diverse nucleophiles to the unsaturated lactone 2 that results from hetero Diels-Alder reaction of Brassard's diene 1 with aldehydes leads to an efficient and general approach to the synthesis of 2,3-dihydro-4H-py