Aza‐Ortho‐Quinone Methides as Reactive Intermediates: Generation and Utility in Contemporary Asymmetric Synthesis

HH Liao, S Miñoza, SC Lee… - Chemistry–A European …, 2022 - Wiley Online Library
The aza‐ortho‐quinone methide (aza‐o‐QM) chemistry has overwhelmingly progressed in
the past few decades. This review aims to integrate various transition metal‐catalyzed and …

Electrochemical arylation of aldehydes, ketones, and alcohols: from cathodic reduction to convergent paired electrolysis

S Zhang, L Li, J Li, J Shi, K Xu, W Gao… - Angewandte …, 2021 - Wiley Online Library
Arylation of carbonyls, one of the most common approaches toward alcohols, has received
tremendous attention, as alcohols are important feedstocks and building blocks in organic …

Enantioconvergent substitution reactions of racemic electrophiles by organocatalysis

J Kikuchi, M Terada - Chemistry–A European Journal, 2021 - Wiley Online Library
Over the past decades, the development of enantioselective catalysis using organocatalysts
has evolved into an active research field and a number of enantioselective transformations …

Unlocking the Friedel-Crafts arylation of primary aliphatic alcohols and epoxides driven by hexafluoroisopropanol

S Zhang, M Vayer, F Noel, VD Vuković, A Golushko… - Chem, 2021 - cell.com
Alcohols and epoxides are arguably ideal electrophiles for the Friedel-Crafts alkylation,
since they are widely available, require no pre-activation, and produce no stoichiometric …

Hexafluoroisopropanol as a Bioconjugation Medium of Ultrafast, Tryptophan-Selective Catalysis

M Nuruzzaman, BM Colella, CP Uzoewulu… - Journal of the …, 2024 - ACS Publications
The past decade has seen a remarkable growth in the number of bioconjugation techniques
in chemistry, biology, material science, and biomedical fields. A core design element in …

Organocatalytic enantioselective SN 1-type dehydrative nucleophilic substitution: access to bis (indolyl) methanes bearing quaternary carbon stereocenters

WR Zhu, Q Su, XY Deng, JS Liu, T Zhong, SS Meng… - Chemical …, 2022 - pubs.rsc.org
A highly general and straightforward approach to access chiral bis (indolyl) methanes (BIMs)
bearing quaternary stereocenters has been realized via enantioconvergent dehydrative …

Catalytically Generated Meerwein's Salt-Type Oxonium Ions for Friedel–Crafts C(sp2)–H Methylation with Methanol

T He, HFT Klare, M Oestreich - Journal of the American Chemical …, 2023 - ACS Publications
A catalytic protocol for a Friedel–Crafts-type direct C (sp2)–H methylation of various arenes
with methanol is disclosed. The reaction is initiated by counteranion-stabilized silylium or …

Triflic Acid‐Catalyzed Dehydrative Amination of 2‐Arylethanols with Weak N‐Nucleophiles in Hexafluoroisopropanol

M Van Hoof, RJ Mayer, J Moran… - Angewandte Chemie …, 2024 - Wiley Online Library
The catalytic deoxyamination of readily available 2‐arylethanols offers an appealing, simple,
and straightforward means of accessing β‐(hetero) arylethylamines of biological interest …

HFIP as protonation reagent and solvent for regioselective alkylation of indoles with all-carbon centers

H Song, H Zhou, Y Shen, H Wang, H Song… - The Journal of …, 2022 - ACS Publications
The regio-and chemoselective construction of indole bearing an all-carbon center at the C3-
position, a versatile bioactive building block, by C (sp2)–C (sp3) formation with olefins has …

Stereospecific dehydroxytrifluoromethylthiolation of alcohols promoted by a combination of hypervalent trifluoromethylthio-iodine (III) reagent and N-heterocyclic …

XG Yang, JJ Li, FH Du, YX Cheng, C Zhang - Organic Letters, 2023 - ACS Publications
Direct dehydroxytrifluoromethylthiolation of alcohols is an attractive strategy for accessing
CF3S-containing compounds. Herein, we report a method for …