Cobalt‐Catalyzed Wagner–Meerwein Rearrangements with Concomitant Nucleophilic Hydrofluorination

RH Hoogesteger, N Murdoch, DB Cordes… - Angewandte …, 2023 - Wiley Online Library
We report a cobalt‐catalyzed Wagner–Meerwein rearrangement of gem‐disubstituted
allylarenes that generates fluoroalkane products with isolated yields up to 84%. Modification …

Catalytic Ring Expanding Difluorination: An Enantioselective Platform to Access β, β‐Difluorinated Carbocycles

L Ruyet, C Roblick, J Häfliger, ZX Wang… - Angewandte Chemie …, 2024 - Wiley Online Library
Cyclic β, β‐difluoro‐carbonyl compounds have a venerable history as drug discovery leads,
but limitations in the synthesis arsenal continue to impede chemical space exploration. This …

para-Selective dearomatization of phenols by I (i)/I (iii) catalysis-based fluorination

T Stünkel, K Siebold, D Okumatsu, K Murata… - Chemical …, 2023 - pubs.rsc.org
The regio-and enantio-selective dearomatization of phenols has been achieved by I (I)/I (III)
catalysis enabled fluorination. The process is highly para-selective, guiding the fluoride …

Regioselective fluorination of allenes enabled by I (I)/I (III) catalysis

ZX Wang, Y Xu, R Gilmour - Nature Communications, 2024 - nature.com
The prominence and versatility of propargylic fluorides in medicinal chemistry, coupled with
the potency of F/H and F/OH bioisosterism, has created a powerful impetus to develop …

Batch and Continuous-Flow Electrochemical Geminal Difluorination of Indeno[1,2-c]furans

GC Yuan, FL Gao, KW Liu, M Li, Y Lin, KY Ye - Organic Letters, 2024 - ACS Publications
An electrochemical gem-difluorination of indeno [1, 2-c] furans using commercially available
and easy-to-use triethylamine trihydrofluoride as both the electrolyte and fluorinating agent …

Determination of the Hammett Acidity of HF/Base Reagents

M Longuet, K Vitse, A Martin-Mingot… - Journal of the …, 2024 - ACS Publications
Harnessing the acidity of HF/base reagents is of paramount importance to improve the
efficiency and selectivity of fluorination reactions. Yet, no general method has been reported …

Alkene 1, 3‐Difluorination via Transient Oxonium Intermediates

AC Dean, EH Randle, AJD Lacey… - Angewandte …, 2024 - Wiley Online Library
Abstract The 1, 3‐difunctionalization of unactivated alkenes is an under‐explored
transformation that leads to moieties that are otherwise challenging to prepare. Herein, we …

Synthesis of Substituted Tetralins via Nitrogen Deletion/Diels–Alder Cascade Reaction

Z Zang, W Ye, K Cheng, X Wang… - The Journal of Organic …, 2024 - ACS Publications
Skeletal editing is an important approach for the modification and diversification of
biologically active molecules. The utilization of nitrogen deletion strategies in skeletal editing …

Enyne difluorination

RC Epplin, T Gulder - Nature Chemistry, 2023 - nature.com
Fluorination strategies are important in assisting the synthesis of pharmaceuticals. Iodine
(I/III) catalysis has become particularly useful for installing gem-difluoro groups but is limited …

Oxidative fluorination with Selectfluor: A convenient procedure for preparing hypervalent iodine (V) fluorides

SMG Dearman, X Li, Y Li, K Singh… - Beilstein Journal of …, 2024 - beilstein-journals.org
The ability to investigate hypervalent iodine (V) fluorides has been limited primarily by their
difficult preparation traditionally using harsh fluorinating reagents such as trifluoromethyl …