Catalytic asymmetric organozinc additions to carbonyl compounds

L Pu, HB Yu - Chemical Reviews, 2001 - ACS Publications
Since the initial report of Oguni and Omi on the reaction of diethylzinc with benzaldehyde in
the presence of a catalytic amount of (S)-leucinol with moderate enantioselectivity (49% ee) …

Phosphine− phosphinite and phosphine− phosphite ligands: Preparation and applications in asymmetric catalysis

H Fernandez-Perez, P Etayo, A Panossian… - Chemical …, 2011 - ACS Publications
Phosphine−Phosphinite and Phosphine−Phosphite Ligands: Preparation and Applications in
Asymmetric Catalysis | Chemical Reviews ACS ACS Publications C&EN CAS Find my institution …

A highly active catalyst for Huisgen 1, 3-dipolar cycloadditions based on the tris (triazolyl) methanol− Cu (I) structure

S Özçubukçu, E Ozkal, C Jimeno… - Organic Letters, 2009 - ACS Publications
A new tris (1-benzyl-1 H-1, 2, 3-triazol-4-yl) methanol ligand 3 has been prepared by a triple
Cu (I)-catalyzed alkyne− azide 1, 3-dipolar cycloaddition (CuAAC). Ligand 3 forms a stable …

2-Piperidino-1, 1, 2-triphenylethanol: A highly effective catalyst for the enantioselective arylation of aldehydes

M Fontes, X Verdaguer, L Solà… - The Journal of Organic …, 2004 - ACS Publications
Here we report the use of 2-piperidino-1, 2, 2-triphenylethanol (5) as an outstanding catalyst
for the ligand-catalyzed arylation of aldehydes. The use of 5 and a 2/1 mixture of …

Biomimetic Iron‐Catalyzed Asymmetric Epoxidation of Aromatic Alkenes by Using Hydrogen Peroxide

FG Gelalcha, G Anilkumar, MK Tse… - … A European Journal, 2008 - Wiley Online Library
A novel and general biomimetic non‐heme Fe‐catalyzed asymmetric epoxidation of
aromatic alkenes by using hydrogen peroxide is reported herein. The catalyst consists of …

Synthesis of N-alkylated and N-arylated derivatives of 2-amino-2 '-hydroxy-1, 1 '-binaphthyl (NOBIN) and 2, 2 '-diamino-1, 1 '-binaphthyl and their application in the …

Š Vyskočil, S Jaracz, M Smrcina… - The Journal of …, 1998 - ACS Publications
High-yield reductive alkylation of (R)-(+)-1 and (R)-(+)-2 has been accomplished with a
series of ketones (even as bulky as 2-adamantanone) and NaBH4/H2SO4 in THF at room …

Assessing the suitability of 1, 2, 3-triazole linkers for covalent immobilization of chiral ligands: Application to enantioselective phenylation of aldehydes

A Bastero, D Font, MA Pericàs - The Journal of Organic Chemistry, 2007 - ACS Publications
Alkynyl-functionalized amino alcohols have been covalently supported on
azidomethylpolystyrene resins with different levels of functionalization through Cu (I) …

MIB: an advantageous alternative to DAIB for the addition of organozinc reagents to aldehydes

WA Nugent - Chemical Communications, 1999 - pubs.rsc.org
MIB: an advantageous alternative to DAIB for the addition of organozinc reagents to aldehydes
Page 1 OH NR2 OH N O (BrCH2CH2)2O DMSO, Et3N 2 1a R = H b R = Me R H O R H OAc (1) …

Enantioselective Addition of Diethylzinc to Aldehydes Catalyzed by N-(9-Phenylfluoren-9-yl) β-Amino Alcohols

MR Paleo, I Cabeza, FJ Sardina - The Journal of Organic …, 2000 - ACS Publications
A set of secondary N-phenylfluorenyl β-amino alcohols have been prepared and evaluated
as catalysts for the enantioselective addition of diethylzinc to benzaldehyde. The influence of …

Resolution of racemic 2-aminocyclohexanol derivatives and their application as ligands in asymmetric catalysis

I Schiffers, T Rantanen, F Schmidt… - The Journal of …, 2006 - ACS Publications
A preparatively easy and efficient protocol for the resolution of racemic 2-aminocyclohexanol
derivatives is described, delivering both enantiomers with> 99% enantiomeric excess (ee) …