Making chiral salen complexes work with organocatalysts

YC Yuan, M Mellah, E Schulz, ORP David - Chemical Reviews, 2022 - ACS Publications
Bisimine derivatives of salicylaldehyde with chiral diamines (salens) are privileged ligands
in asymmetric organometallic catalysis, which can be used in cooperation with …

Lewis acid catalyzed asymmetric cyanohydrin synthesis

M North, DL Usanov, C Young - Chemical reviews, 2008 - ACS Publications
The addition of cyanide to a carbonyl compound to form a cyanohydrin is one of the
fundamental carbon-carbon bond forming reactions in organic chemistry1 and has …

Catalytic asymmetric cyanation reactions

N Kurono, T Ohkuma - Acs Catalysis, 2016 - ACS Publications
Catalytic asymmetric cyanations of prochiral unsaturated compounds affording the
corresponding nitrile products in high enantiomeric excess (≥ 90% in general) are …

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 …

Cooperative catalysis by tertiary amino-thioureas: Mechanism and basis for enantioselectivity of ketone cyanosilylation

SJ Zuend, EN Jacobsen - Journal of the American Chemical …, 2007 - ACS Publications
The mechanism of the enantioselective cyanosilylation of ketones catalyzed by tertiary
amino-thiourea derivatives was investigated using a combination of experimental and …

Metal catalyzed asymmetric cyanation reactions

HK Noor-ul, RI Kureshy, SHR Abdi, S Agrawal… - Coordination Chemistry …, 2008 - Elsevier
Chiral cyanohydrins are versatile building blocks for pharmaceuticals, agrochemicals and
specialty materials. A number of efficient and successful synthetic methods have been …

An efficient titanium catalyst for enantioselective cyanation of aldehydes: cooperative catalysis

Z Zhang, Z Wang, R Zhang, K Ding - Angewandte Chemie International …, 2010 - infona.pl
Two‐in‐one: The integration of two salen/Ti O units into one molecule allows the
enantioselective cyanation of aldehydes to afford the enantioenriched natural or nonnatural …

Chiral lithium binaphtholate aqua complex as a highly effective asymmetric catalyst for cyanohydrin synthesis

M Hatano, T Ikeno, T Miyamoto… - Journal of the American …, 2005 - ACS Publications
A highly enantioselective cyanohydrin synthesis with aromatic aldehydes using chiral lithium
binaphtholate aqua or alcohol complexes has been developed and is a simple and …

Asymmetric Cyanation of Aldehydes, Ketones, Aldimines, and Ketimines Catalyzed by a Versatile Catalyst Generated from Cinchona Alkaloid, Achiral Substituted 2, 2 …

J Wang, W Wang, W Li, X Hu, K Shen… - … A European Journal, 2009 - Wiley Online Library
Full investigation of cyanation of aldehydes, ketones, aldimines and ketimines with
trimethylsilyl cyanide (TMSCN) or ethyl cyanoformate (CNCOOEt) as the cyanide source has …

Enantioselective Deoxygenative Amino-Cyanation of Carboxylic Acids via Ti-Multicatalysis

G Gutierrez, JA Wilt, S Muhammad, E Girotti… - Organic …, 2024 - ACS Publications
Carboxylic acids are valued synthetic building blocks that offer shelf life stability, structural
diversity, and wide commercial availability. Despite the remarkable synthetic utility of …