An organocatalytic Michael-cyclization cascade of 4-oxa-α,β-unsaturated carboxylic acids with aldehydes: facile synthesis of chiral γ-lactols and trisubstituted γ-lactones

Jun-Bing Lin, Shi-Ming Xu, Ji-Kang Xie, Hong-Yu Li, and Peng-Fei Xu *

https://doi.org/10.1039/C4CC09686J