N-Triflylphosphoramides: highly acidic catalysts for asymmetric transformations

G Caballero-García, JM Goodman - Organic & Biomolecular Chemistry, 2021 - pubs.rsc.org
N-Triflylphosphoramides (NTPA), have become increasingly popular catalysts in the
development of enantioselective transformations as they are stronger Brønsted acids than …

Asymmetric Allylic Alkylation of β-Ketoesters via C–N Bond Cleavage of N-Allyl-N-methylaniline Derivatives Catalyzed by a Nickel–Diphosphine System

H Nagae, J Xia, E Kirillov, K Higashida, K Shoji… - ACS …, 2020 - ACS Publications
Nickel complexes bearing chiral diphosphine ligands, such as (S)-Tol-MeO-BIPHEP and (S)-
H 8-BINAP, serve as efficient catalysts for asymmetric allylic alkylation (AAA) of β-ketoesters …

Enantioselective intramolecular allylic substitution via synergistic palladium/chiral phosphoric acid catalysis: insight into stereoinduction through statistical modeling

CC Tsai, C Sandford, T Wu, B Chen… - Angewandte Chemie …, 2020 - Wiley Online Library
The mode of asymmetric induction in an enantioselective intramolecular allylic substitution
reaction catalyzed by a combination of palladium and a chiral phosphoric acid was …

Recent advances in cyclization reactions via catalytic allylic substitution for the asymmetric synthesis of heterocyclic compounds

B Pan, CVS Reddy, Y Wu, L Qiu - Tetrahedron Letters, 2024 - Elsevier
The role of allylic substitution reactions is crucial in organic synthesis. Through these
reactions, the development of numerous molecular structures with a wide range of …

Complementary Copper-Catalyzed and Electrochemical Aminosulfonylation of O-Homoallyl Benzimidates and N-Alkenyl Amidines with Sodium Sulfinates

XQ Mou, LC Ren, M Zhang, M Wang, YF Jin… - Organic …, 2022 - ACS Publications
A complementary copper-catalyzed and electrochemical aminosulfonylation of O-homoallyl
benzimidates and N-alkenyl amidines with sodium sulfinates was developed. The terminal …

Asymmetric Synthesis of Chiral 1, 4‐Enynes through Organocatalytic Alkenylation of Propargyl Alcohols with Trialkenylboroxines

JF Bai, K Yasumoto, T Kano… - Angewandte Chemie …, 2019 - Wiley Online Library
A highly enantioselective synthesis of 1, 4‐enynes is described that proceeds through an
organocatalytic reaction between propargyl alcohols and trialkenylboroxines. Our strategy …

Kinetic resolution of racemic tertiary allylic alcohols through SN 2′ reaction using a chiral bisphosphoric acid/silver (i) salt co-catalyst system

S Kayal, J Kikuchi, N Shinagawa, S Umemiya… - Chemical …, 2022 - pubs.rsc.org
A highly efficient kinetic resolution (KR) of racemic tertiary allylic alcohols was achieved
through an intramolecular allylic substitution reaction using a co-catalyst system composed …

Ortho-selective C–H arylation of phenols with N-carboxyindoles under Brønsted acid-or Cu (I)-catalysis

NH Nguyen, SM Oh, CM Park, S Shin - Chemical Science, 2022 - pubs.rsc.org
Control over chemo-and regioselectivity is a critical issue in the heterobiaryl synthesis via C–
H oxidative coupling. To address this challenge, a strategy to invert the normal polarity of …

Enantioselective Construction of C3-Multifunctionalization α-Hydroxy-β-amino Pyridines via α-Pyridyl Diazoacetate, Water, and Imines for Drug Hunting

J Xue, Z Luo, J Huang, Y Deng, S Dong, S Liu - Organic Letters, 2022 - ACS Publications
An asymmetric catalytic approach for the construction of C3-multifunctionalization α-hydroxy-
β-amino pyridines has been reported. The products can be accessed by the modulation of …

Chiral Brønsted acid-catalyzed formal α-vinylation of cyclopentanones for the enantioselective construction of quaternary carbon centers

S Kayal, J Kikuchi, M Shimizu, M Terada - ACS Catalysis, 2019 - ACS Publications
An enantioselective formal α-vinylation of ketones for the construction of an all-carbon
quaternary center was established using the vinylogous Wagner–Meerwein shift through the …