Catalytic enantioselective formation of C− C bonds by addition to imines and hydrazones: A ten-year update

S Kobayashi, Y Mori, JS Fossey, MM Salter - Chemical reviews, 2011 - ACS Publications
Chiral molecules containing asymmetric carbon centers bonded with nitrogen are ubiquitous
in nature and also form important structural fragments in both natural and man-made …

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 …

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 …

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 …

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 …

Highly enantioselective cyanosilylation of aldehydes catalyzed by a chiral oxazaborolidinium ion

DH Ryu, EJ Corey - Journal of the American Chemical Society, 2004 - ACS Publications
The chiral oxazaborolidinium salts 1 and 2 are excellent catalysts for the enantioselective
cyanosilylation of a wide variety of aldehydes (see Table 1) using trimethylsilyl (TMS) …

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 …

Dual Lewis Acid− Lewis Base Activation in Enantioselective Cyanation of Aldehydes Using Acetyl Cyanide and Cyanoformate as Cyanide Sources

S Lundgren, E Wingstrand, M Penhoat… - Journal of the …, 2005 - ACS Publications
Dual activation by a chiral Lewis acid and an achiral or chiral Lewis base enabled cyanation
of both aromatic and aliphatic aldehydes with acetyl cyanide and ethyl cyanoformate to …

Asymmetric 1, 3-dipolar cycloaddition reaction of nitrones and acrolein with a bis-titanium catalyst as chiral lewis acid

T Kano, T Hashimoto, K Maruoka - Journal of the American …, 2005 - ACS Publications
A μ-oxo-type chiral bis-Ti (IV) oxide (S, S)-1 can be successfully utilized in the asymmetric 1,
3-dipolar cycloaddition reactions between various nitrones 2 and acrolein to give the …

Dual-activation asymmetric Strecker reaction of aldimines and ketimines catalyzed by a tethered bis (8-quinolinolato) aluminum complex

JP Abell, H Yamamoto - Journal of the American Chemical …, 2009 - ACS Publications
An aluminum complex was found to be high yielding and enantioselective for the addition of
cyanide to aldimines and ketimines. Although catalytic asymmetric addition of cyanide to …