A DYKAT die hard: A new class of chiral BiSO‐P ligands were effective for an unprecedented palladium‐catalyzed asymmetricallylicalkylation of indoles with the racemic title acetates through a dynamickineticasymmetrictransformation (DYKAT). The hydrogen bond formed between the sulfinyl group of the ligand and NH of indole plays an important role in the reaction.
Enantioselective C3‐Allylation of Pyridines via Tandem Borane and Palladium Catalysis
作者:Jun‐Jie Tian、Rui‐Rui Li、Gui‐Xiu Tian、Xiao‐Chen Wang
DOI:10.1002/anie.202307697
日期:2023.8.21
A one-pot, three-step method for highly enantioselective C3-allylation reactions of pyridines was developed. The method involved borane-catalyzed dearomative pyridine hydroboration, palladium-catalyzed enantioselective allylation of the dearomatized intermediate, and finally oxidation by air. The method was applicable to a broad range of pyridines, N-heteroarenes, and allylic esters.