HFIP in organic synthesis

HF Motiwala, AM Armaly, JG Cacioppo… - Chemical …, 2022 - ACS Publications
1, 1, 1, 3, 3, 3-Hexafluoroisopropanol (HFIP) is a polar, strongly hydrogen bond-donating
solvent that has found numerous uses in organic synthesis due to its ability to stabilize ionic …

Monofluorination of organic compounds: 10 years of innovation

PA Champagne, J Desroches, JD Hamel… - Chemical …, 2015 - ACS Publications
Taking into account the vast arrays of fluorinated motifs known, 11 this review will be limited
to the monofluorination of organic compounds, ie, synthetic methods allowing the …

Stereoselective halogenation in natural product synthesis

W Chung, CD Vanderwal - Angewandte Chemie International …, 2016 - Wiley Online Library
At last count, nearly 5000 halogenated natural products have been discovered. In
approximately half of these compounds, the carbon atom to which the halogen is bound is …

Asymmetric organocatalysis

H Pellissier - Tetrahedron, 2007 - Elsevier
The enantioselective production of compounds is a central theme in current research. The
broad utility of synthetic chiral molecules as single-enantiomer pharmaceuticals, in …

Asymmetric organocatalysis by chiral Brønsted bases: implications and applications

C Palomo, M Oiarbide, R López - Chemical Society Reviews, 2009 - pubs.rsc.org
Chiral, metal-free Brønsted bases have been demonstrated capable of catalyzing several
types of C–C and C–X bond-forming reactions with high chemical and stereochemical …

Current methods for asymmetric halogenation of olefins

A Castellanos, SP Fletcher - Chemistry–A European Journal, 2011 - Wiley Online Library
This Minireview discusses the progress made in developing reactions where an olefin is
subjected to an asymmetric halogenation. It aims to serve as a reference for the studies …

In the arena of enantioselective synthesis, titanium complexes wear the laurel wreath

DJ Ramon, M Yus - Chemical reviews, 2006 - ACS Publications
Asymmetry is ubiquitous in every part of Nature1 and has a great impact in many fields, not
only in chemistry but also even in arts. In the pharmaceutical area, asymmetry plays an …

Enantioselective protonation of catalytically generated chiral enolates as an approach to the synthesis of α-chloroesters

NT Reynolds, T Rovis - Journal of the American Chemical Society, 2005 - ACS Publications
Treatment of α, α-dichloroaldehydes with various phenols in the presence of chiral triazolium
salt catalysts and excess base results in the synthesis of α-chloro aryl esters in good yield …

Enantioselective Linchpin Catalysis by SOMO Catalysis: An Approach to the Asymmetric α‐Chlorination of Aldehydes and Terminal Epoxide Formation

M Amatore, TD Beeson, SP Brown… - Angewandte …, 2009 - Wiley Online Library
Over the last 40 years, research strategies in the field of asymmetric catalysis have been
founded upon the direct production of enantioenriched synthons which typically exist within …

Catalytic, asymmetric reactions of ketenes and ketene enolates

DH Paull, A Weatherwax, T Lectka - Tetrahedron, 2009 - Elsevier
For over a century, ketenes have intrigued organic chemists with their unusual physical
properties and unique spectrum of chemical reactivity; it is not an exaggeration to say that …