Asymmetric catalysis as a method for the synthesis of chiral organophosphorus compounds

OI Kolodiazhnyi, VP Kukhar, AO Kolodiazhna - Tetrahedron: Asymmetry, 2014 - Elsevier
This review discusses methods for the metallo-, organo-and biocatalytic asymmetric
synthesis of chiral organophosphorus compounds with many applications in stereoselective …

Computational insights into the central role of nonbonding interactions in modern covalent organocatalysis

DM Walden, OM Ogba, RC Johnston… - Accounts of Chemical …, 2016 - ACS Publications
Conspectus The flexibility, complexity, and size of contemporary organocatalytic
transformations pose interesting and powerful opportunities to computational and …

Michael addition catalyzed by chiral secondary amine phosphoramide using fluorinated silyl enol ethers: formation of quaternary carbon stereocenters

JS Yu, FM Liao, WM Gao, K Liao… - Angewandte Chemie …, 2015 - Wiley Online Library
A chiral secondary amine phosphoramide was developed and identified as a powerful
catalyst for the Mukaiyama–Michael addition of fluorinated enol silyl ethers to …

N-Heterocyclic carbene-catalyzed radical relay enabling synthesis of δ-ketocarbonyls

K Ota, K Nagao, H Ohmiya - Organic Letters, 2020 - ACS Publications
An NHC-catalyzed radical relay enabled the vicinal alkylacylation of alkenes using
aldehydes and tertiary α-bromo esters as a versatile route to δ-keto esters bearing an all …

Acyl phosphonates: Good hydrogen bond acceptors and ester/amide equivalents in asymmetric organocatalysis

H Jiang, MW Paixao, D Monge… - Journal of the American …, 2010 - ACS Publications
This study demonstrates that unsaturated acyl phosphonates are excellent hydrogen-bond
acceptors in enantioselective organocatalysis. By employing chiral thioureas or …

Catalytic enantioselective Pudovik reaction of aldehydes and aldimines with tethered bis (8-quinolinato)(TBOx) aluminum complex

JP Abell, H Yamamoto - Journal of the American Chemical …, 2008 - ACS Publications
New chiral tethered bis (8-quinolinolato)(TBOx) aluminum (III) complexes effectively catalyze
the addition of phosphites to aldehydes and aldimines to give enantioenriched α-hydroxy …

Asymmetric Homoenolate Additions to Acyl Phosphonates through Rational Design of a Tailored N-Heterocyclic Carbene Catalyst

KP Jang, GE Hutson, RC Johnston… - Journal of the …, 2014 - ACS Publications
A highly selective NHC-catalyzed synthesis of γ-butyrolactones from the fusion of enals and
α-ketophosphonates has been developed. Computational modeling of competing transition …

Nickel‐Catalyzed Conjugate Addition of Silyl Ketene Imines to In Situ Generated Indol‐2‐ones: Highly Enantioselective Construction of Vicinal All‐Carbon Quaternary …

J Zheng, L Lin, L Dai, Q Tang, X Liu… - Angewandte Chemie …, 2017 - Wiley Online Library
The first enantioselective conjugate addition of silyl ketene imines to in situ generated indol‐
2‐ones was performed in the presence of a chiral N, N′‐dioxide/NiII catalyst. This method …

Photocatalytic [2+ 2] cycloadditions of enones with cleavable redox auxiliaries

EL Tyson, EP Farney, TP Yoon - Organic letters, 2012 - ACS Publications
α, β-Unsaturated 2-imidazolyl ketones undergo [2+ 2] cycloaddition with a variety of Michael
acceptors upon irradiation with visible light in the presence of Ru (bpy) 32+. Cleavage of 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 …