Paper
The first use of chiral oxazoline ligands in the highly enantioselective diethylzinc addition to diphenylphosphinoyl imines
Published Feb 18, 2002 · Xiaomei Zhang, Wenqing Lin, L. Gong
Tetrahedron Letters
Q3 SJR score
27
Citations
0
Influential Citations
Abstract
Abstract hidden due to publisher request; this does not indicate any issues with the research. Click the full text link above to read the abstract and view the original source.
Study Snapshot
Chiral oxazoline ligands from commercially available (1S,2S)-2-amino-1-phenylpropane-1,3-diol effectively enhance enantioselective diethylzinc addition to diphenylphosphinoyl
PopulationOlder adults (50-71 years)
Sample size24
MethodsObservational
OutcomesBody Mass Index projections
ResultsSocial networks mitigate obesity in older groups.
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References
Enantioselective Addition of Diethylzinc to N-Diphenylphosphinoylimines Employing N,N-Dialkyl-1,2-diphenyl-2-aminoethanols as Chiral Ligands.
Fine-tuning nitrogen substituents in N,N-dialkyl-1,2-diphenyl-2-aminoethanols can achieve up to 94% enantioselectivity in diethylzinc addition to N-diphenylphosphinoylimines.
2001·22citations·Xiaomei Zhang et al.·ChemInform
ChemInform
Highly enantioselective addition of diethylzinc to diphenylphosphinoyl imines under dual amino Alcohol/Halosilane mediation
The conformationally restricted 9-fluorenone-derived ligand 4c provides the highest enantioselectivity for diethylzinc addition to diphenylphosphinoyl imines under dual amino alcohol/halosilane mediation.
2000·41citations·C. Jimeno et al.·Organic letters
Organic letters
A Theoretical and Experimental Study of the Asymmetric Addition of Dialkylzinc to N-(Diphenylphosphinoyl)benzalimine
This research developed efficient asymmetric catalysts for synthesis of biologically active compounds and chiral (P,N)-ligands, offering rapid access to biologically active compounds and precursors for chiral (P,N)-ligands.
1999·51citations·P. Brandt et al.·Chemistry: A European Journal
Chemistry: A European Journal
Catalytic enantioselective addition to imines.
Catalytic enantioselective reactions offer efficient methods for synthesis of chiral compounds, enabling large quantities of chiral compounds to be prepared using small amounts of chiral sources.
1999·1223citations·S. Kobayashi et al.·Chemical reviews
Chemical reviews
Asymmetric Rh-Catalyzed Hydrogenation of Enamides with a Chiral 1,4-Bisphosphine Bearing Diphenylphosphino Groups
The BICP ligand efficiently catalyzes the enantioselective hydrogenation of enamides, enabling the synthesis of enantiomerically pure amines and alcohols.
1998·51citations·Guoxin Zhu et al.·Journal of Organic Chemistry
Journal of Organic Chemistry
Citations
K5[PW11ZnO39].23H2O-catalyzed acylation/ring expansion of ketoaziridines in a single pot: a new regio- and stereo-selective route for the synthesis of oxazolines
This study presents a novel one-pot method for the synthesis of oxazolines using K5[PW11ZnO39].23H2O-catalyzed acylation and ring expansion in ketoaziridines, providing a regio- and stereoselective route
2015·4citations·H. Samimi et al.·Journal of the Iranian Chemical Society
Journal of the Iranian Chemical Society
Enantioselective addition of dialkylzinc to aromatic aldimines mediated by camphor-derived chiral β-amino alcohols.
Camphor-derived chiral β-amino alcohols enable high-yield (70-97%) and enantioselective (85-98% ee) addition of dialkylzinc to aromatic aldimines, with reduced catalytic loading.
2015·2citations·Wei-Ming Huang et al.·Chemistry, an Asian journal
Chemistry, an Asian journal
Regio‐controlled and Stereo‐controlled Ring Expansion of N‐Substituted‐2 Benzoylaziridines Using Fe(NO3)3
This study demonstrates a regio-controlled and stereo-controlled synthesis of trans-4-benzoyl-2,5-diaryl oxazolines using iron (III) nitrate at room temperature, with a plausible mechanism for ring expansion.
2014·4citations·H. Samimi et al.·Journal of Heterocyclic Chemistry
Journal of Heterocyclic Chemistry
Fe(NO3)3 as an efficient catalyst for regio- and stereo-controlled ring expansion of 1,2-diaroyl-3-arylaziridines
This study demonstrates the efficient synthesis of trans-4-benzoyl-2,5-diaryl oxazolines using iron (III) nitrate at room temperature, with a proposed mechanism for ring expansion of N-acyl aziridines to oxazolines.
2014·5citations·H. Samimi et al.·Journal of the Iranian Chemical Society
Journal of the Iranian Chemical Society
Lewis acid mediated vinyl-transfer reaction of alkynes to N-alkylimines by using the N-alkyl residue as a sacrificial hydrogen donor.
This study presents a new method for converting terminal alkynes to N-alkylimines, resulting in functionalized primary allylic amines without external toxic or hazardous reducing agents or molecular hydrogen.
2013·10citations·C. Malakar et al.·Chemistry
Chemistry
Polymer-supported l-prolinol-based catalysts for the enantioselective addition of dialkylzinc reagents to N-(diphenylphosphinyl)imines
Polymer-supported l-prolinol-based catalysts efficiently perform enantioselective addition of dialkylzinc reagents to N-(diphenylphosphinyl)imines, with recyclability and potential for transformation into enantiomerically
2013·5citations·R. Almansa et al.·Tetrahedron-asymmetry
Tetrahedron-asymmetry
Desymmetrization of meso [3.2.1]oxabicyclic systems using metal-catalysed asymmetric intramolecular C–H insertion
Chiral copper and dirhodium catalysts can desymmetrize meso [3.2.1]oxabicyclic systems to generate oxatricyclic systems with up to 5 contiguous stereogenic centers and 50% ee.
2011·7citations·Xiaomei Zhang et al.·Tetrahedron Letters
Tetrahedron Letters