Two-Step One-Pot Synthesis of Benzoannulated Spiroacetals by Suzuki–Miyaura Coupling/Acid-Catalyzed Spiroacetalization
作者:Alexey N. Butkevich、Andrei Corbu、Lieven Meerpoel、Ian Stansfield、Patrick Angibaud、Pascal Bonnet、Janine Cossy
DOI:10.1021/ol302088w
日期:2012.10.5
Substituted benzoannulated spiroacetals were prepared from (2-haloaryl)alkyl alcohols and dihydropyranyl or dihydrofuranyl pinacol boronates using a Suzuki-Miyaura coupling followed by an acid-catalyzed spirocyclization. Application of the reaction to a glycal boronate provides an approach to annulated spiroacetals in enantiopure form.