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pybox cpd

National Institutes of Health

Papers overview

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2013
2013
Enantioselective synthesis of 3,4-dihydropyran derivatives via a Michael addition reaction catalysed by chiral pybox-diph-Zn(II) complex.
An enantioselective Michael addition of cyclic 1,3-dicarbonyls to 2-enoylpyridine N-oxides catalyzed by a chiral pybox-diph-Zn(II… 
2013
2013
Highly efficient catalytic enantioselective Mannich reaction of malonates with N-tert-butoxycarbonyl imines by using Yb(OTf)3/pybox catalysts at room temperature.
Go Mannich! A highly efficient and enantioselective method for the direct asymmetric reaction of dibenzyl malonate with N-tert… 
2009
2009
Synthesis of copper(I) complexes containing enantiopure pybox ligands. First assays on enantioselective synthesis of propargylamines catalyzed by isolated copper(I) complexes.
Dinuclear [Cu(2)(R-pybox)(2)][X](2) [X = PF(6), R-pybox = 2,6-bis[4'-(S)-isopropyloxazolin-2'-yl]pyridine (S,S)-(i)Pr-pybox (1… 
Highly Cited
2008
Highly Cited
2008
Direct catalytic asymmetric Mannich-type reactions of gamma-butenolides: effectiveness of Brønsted acid in chiral metal catalysis.
Direct catalytic asymmetric Mannich-type reactions of gamma-butenolides are described. A chiral Lewis acid/amine base/Brønsted… 
Highly Cited
2007
Highly Cited
2007
Highly enantioselective electrophilic amination and michael addition of cyclic beta-ketoesters induced by lanthanides and (S,S)-ip-pybox: the mechanism.
High enantioselection is obtained in Michael additions of cyclic beta-ketoesters in the presence of lanthanium triflates and (S,S… 
2007
2007
QM/MM modeling of enantioselective pybox-ruthenium- and box-copper-catalyzed cyclopropanation reactions: scope, performance, and applications to ligand design.
An extensive comparison of full-QM (B3LYP) and QM/MM (B3LYP:UFF) levels of theory has been made for two enantioselective… 
2006
2006
Tetra-, di-, and mononuclear copper(I) complexes containing (S,S)-iPr-pybox and (R,R)-Ph-pybox ligands.
Tetranuclear [Cu4I4{(S,S)-iPr-pybox}2] (1) and dinuclear [Cu2Cl-{(S,S)-iPr-pybox}2][CuCl2] (2) copper(I) complexes have been… 
Highly Cited
2004
Highly Cited
2004
New chiral ruthenium(II) catalysts containing 2,6-bis(4'-(R)-phenyloxazolin-2'-yl)pyridine (Ph-pybox) ligands for highly enantioselective transfer hydrogenation of ketones.
Treatment of complex trans-[RuCl(2)(eta(2)-C(2)H(4))[kappa(3)-N,N,N-(R,R)-Ph-pybox]] [(R,R)-Ph-pybox = 2,6-bis[4'-(R… 
2003
2003
Different lanthanide ions and the pybox substituents induce the reverse of the sense of induction in the enantioselective Diels-Alder reaction between acryloyloxazolidinone and cyclopentadiene.
The Diels-Alder reaction of cyclopentadiene with acryloyl-1,3-oxazolidin-2-one is catalyzed by (R,R)-i-Pr- and (R,R)-Ph-pybox (5… 
1999
1999
Discovery of Novel Catalysts for Allylic Alkylation with a Visual Colorimetric Assay.
The first non-phosphane iridium catalyst, made from [{IrCl(cod)}(2)] and iPr-pybox (shown schematically; cod=1,5-cyclooctadiene… 
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