Combinatorial Ligand Assisted Simultaneous Control of Axial and Central Chirality in Highly Stereoselective C−H Allylation
作者:Trisha Bhattacharya、Supratim Ghosh、Subhabrata Dutta、Srimanta Guin、Animesh Ghosh、Haibo Ge、Raghavan B Sunoj、Debabrata Maiti
DOI:10.1002/anie.202310112
日期:2024.1.8
The aim of converging multiple stereocenters in asymmetric catalysis brings exciting avenues for expanding the ‘chiral pool’. With this aim, a dual-cooperative ligand system was developed for controlling two distinct stereo-environment in an atropselective C−H allylation of biaryls. The system leverages a chiral amino acid as a transient-ligand source and chiral phosphoric acid for the early C−H activation