Search Results - "Balavoine, Gilbert G. A."
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New Dihydroxy Bis(Oxazoline) Ligands for the Palladium-Catalyzed Asymmetric Allylic Alkylation: Experimental Investigations of the Origin of the Reversal of the Enantioselectivity
Published in Chemistry : a European journal (06-02-2004)“…The origin of the reversal of the enantioselectivity in the palladium‐catalyzed allylic alkylation of rac‐1,3‐diphenyl‐2‐propenyl acetate with dimethyl…”
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Synthesis, Crystal Structures, and Second-Order Nonlinear Optical Properties of New Chiral Ferrocenyl Materials
Published in Organometallics (04-01-1999)“…A series of chiral enantiomerically pure analogues of (E)-(2-(4-nitrophenyl)ethenyl)ferrocene (2), substituted by R (3, R = Me; 4, R = CH2OH; 5, R = SiMe3), in…”
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Highly Diastereoselective Preparation of Ruthenium Bis(diimine) Sulfoxide Complexes: New Concept in the Preparation of Optically Active Octahedral Ruthenium Complexes
Published in Organometallics (02-10-2000)“…Microwave irradiation of racemic cis-[Ru(bpy)2(Cl)2] (bpy = 2,2‘-bipyridine) or racemic cis-[Ru(phen)2(Cl)2] (phen = phenanthroline) with either (R)-(+)- or…”
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Highly Enantioselective One-Pot Synthesis of Chiral Tri- and Tetrasubstituted Ferrocenes from 1,1′-Ferrocenedicarbaldehyde
Published in Angewandte Chemie International Edition (03-07-1998)“…Exclusively planar chirality is exhibited by the ferrocenes obtained in a highly enantioselective synthesis in which a chiral aminoamide acts as a temporary…”
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Chiral 1,2,1‘-Trisubstituted Ferrocenes: Access to Chiral Oxaferrocenophanes
Published in Organometallics (29-10-1996)“…Combining the Kagan method for synthesis of chiral 2-substituted ferrocenecarbaldehydes with our recent method for synthesis of 1‘-substituted…”
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The Combination of Spontaneous Resolution and Asymmetric Catalysis: A Model for the Generation of Optical Activity from a Fully Racemic System
Published in Angewandte Chemie International Edition (16-03-2001)“…Enantiomerically pure BIPHOS was obtained by spontaneous resolution through the crystallization of a racemic mixture, without the use of chemical or physical…”
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Asymmetric Palladium-Catalyzed Allylic Alkylation Using Bis(Oxazoline) Ligands: Phenomenal Reversal of Enantioselectivity with a Single Chiral Backbone
Published in Organometallics (08-11-1999)“…Chiral bis(oxazoline) ligands with four stereogenic centers were tested in the asymmetric palladium-catalyzed allylic alkylation of the…”
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New Ferrocenyloxazoline for the Preparation of Ferrocenes with Planar Chirality
Published in Organometallics (04-09-2000)“…New ferrocenyloxazolines with two stereogenic centers were prepared with excellent yields starting from the (1S,2S)-(+)-2-amino-3-phenyl-1,3-propanediol. They…”
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Selective Functionalization of Chiral Ferrocenyl Acetals. Easy Access to Various Tri- and Tetrasubstituted Ferrocenes with Controlled Geometry
Published in Organometallics (14-10-2002)“…The lithiation of 2-substituted chiral dioxane 2, followed by electrophilic trapping of the lithiated intermediate, yields various 1,5-disubstitued acetals…”
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A Novel and Perfectly Aligned Crystal of a Ferrocenyl Chromophore Displaying High Quadratic Nonlinear Optical Bulk Efficiency
Published in European journal of inorganic chemistry (01-09-2001)“…The highest nonlinear optical bulk efficiency for a 2‐(4‐nitrophenyl)ethenylferrocene (140 times that of urea) has been achieved for E‐4 owing to a favourable…”
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Biphosphole: A C 2 Symmetry Chiral Bidentate Ligand. Synthesis and Characterization Of Nickel, Palladium, Platinum, and Rhodium Complexes
Published in Organometallics (04-03-1997)“…Owing to the C 2 symmetry structure of 1,1‘-diphenyl-3,3‘,4,4‘-tetramethyl-2,2‘-biphosphole, 1 (BIPHOS), we investigated the coordination of this chiral…”
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New Bis-biphosphole−Transition-Metal Complexes: Spontaneous Isomerization of trans- m eso- into cis-(±)-[Ru(trifluoroacetate)2(1,1‘-diphenyl-3,3‘,4,4‘- tetramethyl-2,2‘-biphosphole)2]
Published in Organometallics (21-12-1998)“…The reaction of [Ru2(O2CCF3)2(μ-O2CCF3)2(COD)2(μ-H2O)] with 1,1‘-diphenyl-3,3‘,4,4‘-tetramethyl-2,2‘-biphosphole (1) provides…”
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The Combination of Spontaneous Resolution and Asymmetric Catalysis: A Model for the Generation of Optical Activity from a Fully Racemic System We thank the Centre National de la Recherche Scientifique and Rhodia for financial support, Prof. H. B. Kagan for helpful discussions, and H. Aït-Haddou and O. Hoarau for assistance in catalytic tests
Published in Angewandte Chemie International Edition (16-03-2001)Get full text
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Preparation of electron-rich cationic ruthenium complexes of the type [(.eta.5-C5Me5)Ru(bipyridine)L]
Published in Organometallics (01-01-1992)Get full text
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The Combination of Spontaneous Resolution and Asymmetric Catalysis: A Model for the Generation of Optical Activity from a Fully Racemic System
Published in Angewandte Chemie (16-03-2001)“…Enantiomerenreines BIPHOS wurde durch spontane Enantiomerentrennung bei der Kristallisation einer racemischen Mischung erhalten – ohne ein chemisches oder…”
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New Rhodium(I) and Iridium(I) Complexes of the Chiral 1,1′-Diphenyl-3,3′,4,4′-tetramethyl-2,2′-biphosphole Ligand − Synthesis and Applications to Catalytic Hydrogenation and Hydroformylation Reactions
Published in European journal of inorganic chemistry (01-09-2001)“…A convenient method for the synthesis of new racemic RhI and IrI complexes [M(BIPHOS)(COD)]BF4 have been developed from the BIPHOS ligand and [M(COD)Cl]2…”
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A Convenient Procedure for the Preparation of 1-(Diisopropylamino)phospholes − Application to the Synthesis of New 2,2′-Biphosphole Disulfides
Published in European journal of organic chemistry (01-02-2002)“…A convenient one‐pot procedure for the preparation of 1‐(diisopropylamino)phospholes has been developed. These phospholes have been used in a multistep…”
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Enaminones in the Synthesis of New Polyaza Heterocycles
Published in European journal of organic chemistry (01-12-1998)“…A simple and efficient method for the synthesis of larger polyaza heterocyclic structures 6a, 6b and 8 with 1,3‐pyrimidine units has been developed, based on…”
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Evaluation of antioxidant activity using peroxynitrite as a source of radicals
Published in Methods in enzymology (2002)Get more information
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