Catalytic atroposelective dynamic kinetic resolution of biaryl lactones with activated isocyanides

L Qian, LF Tao, WT Wang, E Jameel, ZH Luo… - Organic …, 2021 - ACS Publications
We report herein an unprecedented atroposelective dynamic kinetic resolution of
Bringmann's lactones with C-nucleophiles. By the use of activated isocyanides as the …

Kinetic Resolution of 1, 1′‐Biaryl‐2, 2′‐Diols and Amino Alcohols through NHC‐Catalyzed Atroposelective Acylation

S Lu, SB Poh, Y Zhao - Angewandte Chemie International …, 2014 - Wiley Online Library
We present here a highly efficient NHC‐catalyzed kinetic resolution of a wide range of 1, 1′‐
biaryl‐2, 2′‐diols and amino alcohols to provide them in uniformly≥ 99% ee. This …

Atroposelective Dynamic Kinetic Resolution via In Situ Hemiaminals Catalyzed by N-Heterocyclic Carbene

D Guo, Q Peng, B Zhang, J Wang - Organic Letters, 2021 - ACS Publications
Axially chiral amino acids and its derivatives are vital building blocks of bioactive molecules,
artificial peptides, and asymmetric catalysts. Herein, we report an unprecedented carbene …

NHC-catalyzed atroposelective acylation of phenols: access to enantiopure NOBIN analogs by desymmetrization

S Lu, SB Poh, ZQ Rong, Y Zhao - Organic letters, 2019 - ACS Publications
Herein we present a highly efficient N-heterocyclic-carbene (NHC)-catalyzed
atroposelective acylation of amino bisphenols to provide access to a wide range of 1, 1 …

N-heterocyclic carbene-catalyzed aldol-lactonization of ketoacids via dynamic kinetic resolution

S Mondal, S Mukherjee, TK Das, R Gonnade… - ACS …, 2017 - ACS Publications
N-Heterocyclic carbene (NHC)-catalyzed enantioselective aldol lactonization of acyclic
ketoacids, proceeding via dynamic kinetic resolution, is presented. The carbene generated …

CuH-catalyzed atropoenantioselective reduction of Bringmann's lactones via dynamic kinetic resolution

L Hu, Y Zhang, GQ Chen, BJ Lin, QW Zhang… - Organic …, 2019 - ACS Publications
A CuH-catalyzed atropoenantioselective reduction of Bringmann's lactones via dynamic
kinetic resolution has been disclosed. This protocol features a broad substrate scope and …

Dynamic kinetic resolution of biaryl lactones via a chiral bifunctional amine thiourea-catalyzed highly atropo-enantioselective transesterification

C Yu, H Huang, X Li, Y Zhang… - Journal of the American …, 2016 - ACS Publications
A solution to the unmet synthetic challenge of achieving highly atropo-enantioselective
transesterification of Bringmann's lactones has been realized, employing a chiral …

Organocatalytic dynamic kinetic resolution of N-arylindole lactams: atroposelective construction of axially chiral amino acids bearing a CN chiral axis

X Hong, J Guo, J Liu, W Cao, C Wei, Y Zhang… - Science China …, 2022 - Springer
Organocatalytic dynamic kinetic resolution of configurationally labile cyclic molecules
represents one of the most efficient methods for the atroposelective construction of axially …

Concise Synthesis of Chiral Tricyclic Lactams by Tandem Dynamic Kinetic Asymmetric Reductive Amination/Lactamization Using Ammonium Salts

J Wang, Y Shi, F Wang, F Huang, ST Bai… - Angewandte Chemie …, 2023 - Wiley Online Library
The atom‐and step‐efficient synthesis of chiral fused tricyclic lactams from readily available
ketoesters using cheap ammonium salts as the nitrogen source is reported. This ruthenium …

Isothiourea‐Catalyzed Atropselective Acylation of Biaryl Phenols via Sequential Desymmetrization/Kinetic Resolution

ES Munday, MA Grove, T Feoktistova… - Angewandte Chemie …, 2020 - Wiley Online Library
Axially chiral phenols are attractive targets in organic synthesis. This motif is central to many
natural products and widely used as precursors to, or directly, as chiral ligands and …