Borane promoted aryl transfer reaction for the synthesis of α-aryl functionalised β-hydroxy and β-keto esters
作者:Tanja Kaehler、Jonas Lorenz、Darren M. C. Ould、Dorothea Engl、Micol Santi、Lukas Gierlichs、Thomas Wirth、Rebecca L. Melen
DOI:10.1039/d2ob00643j
日期:——
The synthesis of a series of α-aryl or α-alkyl functionalised β-hydroxy and β-keto esters has been achieved by reacting α-diazoesters with boranes, and aldehydes, ketones, anhydrides, nitriles, esters or isocyanates. In a mild reaction protocol, 26 examples are presented in yields up to 73%.