Simple chiral derivatisation protocols for NMR analysis of the enantiopurity of 1,2-diphenylethane-1,2-diamine and N-Boccyclohexane-1,2-diamine
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[1] Luke E. Turner,et al. Enantiopure pseudo-C3-symmetric titanium alkoxide with propeller-like chirality. , 2007, Organic Letters.
[2] R. Grubbs,et al. Highly active chiral ruthenium catalysts for asymmetric cross- and ring-opening cross-metathesis. , 2006, Angewandte Chemie.
[3] Andrew J. P. White,et al. Fractional crystallisation of (±)-iso-amarine with mandelic acid: convenient access to (R,R)- and (S,S)-1,2-diamino-1,2-diphenylethanes , 2006 .
[4] E. Jacobsen,et al. A Chiral Primary Amine Thiourea Catalyst for the Highly Enantioselective Direct Conjugate Addition of α,α‐Disubstituted Aldehydes to Nitroalkenes , 2006 .
[5] W. Schweizer,et al. Practical, highly active, and enantioselective ferrocenyl-imidazoline palladacycle catalysts (FIPs) for the aza-Claisen rearrangement of N-para-methoxyphenyl trifluoroacetimidates. , 2006, Angewandte Chemie.
[6] A. Córdova,et al. Direct asymmetric intermolecular aldol reactions catalyzed by amino acids and small peptides. , 2006, Chemistry.
[7] A. White,et al. A Convenient Preparation of Enantiomerically Pure (+)-(1R,2R)- and (−)-(1S,2S)-1,2-Diamino-1,2-diphenylethanes , 2006 .
[8] S. Bull,et al. An improved synthesis of deuterated Schöllkopf’s bis-lactim ether and its use for the asymmetric synthesis of (R)-[α-2H]-phenylalanine methyl esters , 2006 .
[9] A. Kelly,et al. Simple protocol for NMR analysis of the enantiomeric purity of diols. , 2006, Organic letters.
[10] Xiaojun Wu,et al. Novel NMR chiral solvating agents derived from (1R,2R)-diaminocyclohexane: synthesis and enantiodiscrimination for chiral carboxylic acids , 2006 .
[11] S. Tsogoeva,et al. Highly enantioselective addition of ketones to nitroolefins catalyzed by new thiourea-amine bifunctional organocatalysts. , 2006, Chemical communications.
[12] Andrew L. Johnson,et al. Simple protocol for NMR analysis of the enantiomeric purity of primary amines. , 2006, Organic letters.
[13] R. Grubbs,et al. Highly active chiral ruthenium catalysts for asymmetric ring-closing olefin metathesis. , 2006, Journal of the American Chemical Society.
[14] C. Zhao,et al. C2-symmetric bisprolinamide as a highly efficient catalyst for direct aldol reaction. , 2005, Organic letters.
[15] Jian Wan,et al. Readily tunable and bifunctional L-prolinamide derivatives: design and application in the direct enantioselective Aldol reactions. , 2005, Organic letters.
[16] K. Shea,et al. Dual function catalysts. Dehydrogenation and asymmetric intramolecular Diels-Alder cycloaddition of N-hydroxy formate esters and hydroxamic acids: evidence for a ruthenium-acylnitroso intermediate. , 2005, Journal of the American Chemical Society.
[17] K. Jørgensen,et al. Highly Enantioselective Direct Organocatalytic α‐Chlorination of Ketones , 2004 .
[18] E. Corey,et al. A new chiral Rh(II) catalyst for enantioselective [2 + 1]-cycloaddition. mechanistic implications and applications. , 2004, Journal of the American Chemical Society.
[19] A. Martell,et al. Structurally defined catalysts for enantioselective oxidative coupling reactions. , 2003, Angewandte Chemie.
[20] T. Hirose,et al. Resolution of β-aminoalcohols and 1,2-diamines using fractional crystallization of diastereomeric salts of dehydroabietic acid , 2003 .
[21] K. Jørgensen,et al. Organocatalytic Asymmetric Michael Reaction of Cyclic 1,3-Dicarbonyl Compounds and α,β-Unsaturated Ketones—A Highly Atom-Economic Catalytic One-Step Formation of Optically Active Warfarin Anticoagulant† , 2003 .
[22] S. Westcott,et al. Synthesis and antifungal and antibacterial bioactivity of cyclic diamines containing boronate esters , 2003 .
[23] M. Linseis,et al. Improved resolution methods for (R,R)- and (S,S)-cyclohexane-1,2-diamine and (R)- and (S)-BINOL , 2003 .
[24] R. Matsubara,et al. Catalytic, asymmetric Mannich-type reactions of N-acylimino esters: reactivity, diastereo- and enantioselectivity, and application to synthesis of N-acylated amino acid derivatives. , 2003, Journal of the American Chemical Society.
[25] Neil J Wells,et al. A highly enantioselective receptor for N-protected glutamate and anomalous solvent-dependent binding properties. , 2002, Angewandte Chemie.
[26] F. Gasparrini,et al. A chiral A2 B2 macrocyclic minireceptor with extreme enantioselectivity. , 2002, Organic letters.
[27] K. Jørgensen,et al. Organocatalytic Asymmetric Conjugate Addition of Nitroalkanes to α,β-Unsaturated Enones Using Novel Imidazoline Catalysts , 2002 .
[28] Ryoji Noyori,et al. Asymmetric catalysis: science and opportunities (Nobel lecture). , 2002, Angewandte Chemie.
[29] R. Noyori,et al. Metal-ligand bifunctional catalysis: a nonclassical mechanism for asymmetric hydrogen transfer between alcohols and carbonyl compounds. , 2001, The Journal of organic chemistry.
[30] G. Stockton,et al. DIRECT NMR DETERMINATION OF OPTICAL PURITY OF NICOTINIC AND QUINOLINIC CARBOXYLIC ACID COMPOUNDS USING 1, 2-DIPHENYLETHANE-1, 2-DIAMINE AS A CHIRAL SOLVATING AGENT , 2001 .
[31] M. Burk,et al. A Catalyst for Efficient and Highly Enantioselective Hydrogenation of Aromatic, Heteroaromatic, and α,β-Unsaturated Ketones , 2000 .
[32] C. Marson,et al. Amide catalysts with tetradentate ligands and the asymmetric transfer hydrogenation of carbonyl compounds , 2000 .
[33] S. Shinkai,et al. Sugar sensing using chiral salen-Co(II) complexes , 1999 .
[34] D. Armstrong,et al. Enantiomeric impurities in chiral catalysts, auxiliaries, synthons and resolving agents. Part 2 , 1999 .
[35] J. Larrow,et al. (R,R)‐N,N′‐Bis(3,5‐di‐tert‐Butylsalicylidene)‐1,2‐Cyclohexanediamino Manganese(III) Chloride, A Highly Enantioselective Epoxidation Catalyst , 2003 .
[36] P. Walsh,et al. Resolution of trans-Cyclohexane-1,2-diamine and Determination of the Enantiopurity Using Chiral Solid-Phase HPLC Techniques and Polarimetry , 1998 .
[37] Davidr . Evans,et al. Chiral Magnesium Bis(sulfonamide) Complexes as Catalysts for the Merged Enolization and Enantioselective Amination of N-Acyloxazolidinones. A Catalytic Approach to the Synthesis of Arylglycines , 1997 .
[38] J. Buddrus,et al. Determination of the Enantiomeric Ratio of Unprotected Amino Acids by NMR Spectroscopy with C2‐Chiral Palladium Compounds , 1996 .
[39] 유성은,et al. (1S,2S)-(-)-1,2-Diphenylethylenediamine; A Good Chiral Solvating Agent for the Determination of Enantiomeric Purity of Chiral Alcohols by $^1H$ NMR , 1996 .
[40] B. Feringa,et al. Asymmetric Synthesis of New Chiral Europium N,N'-Disuccinate Complexes: Shift Reagents for Aqueous Solutions and Application in the Enantiomeric Excess Determination of Amino Acids , 1994 .
[41] A. Mortlock,et al. Bifunctional chiral auxiliaries 5: The synthesis of 1,3-diacylimidazolidine-2-thiones and 1,3-diacylimidazolidin-2-ones from 1,2-diamines☆ , 1993 .
[42] A. Alexakis,et al. A new reagent for the determination of the optical purity of primary, secondary, and tertiary chiral alcohols and of thiols , 1992 .
[43] D. Parker,et al. A chiral solvating agent for direct NMR assay of the enantiomeric purity of carboxylic acids , 1992 .
[44] T. Sakurai,et al. Diastereoselective cycloaddition of N-lithiated azomethine ylides to (E)-α,β-unsaturated esters bearing a C2-symmetric imidazolidine chiral controller , 1991 .
[45] Wei Zhang,et al. Asymmetric olefin epoxidation with sodium hypochlorite catalyzed by easily prepared chiral manganese(III) salen complexes , 1991 .
[46] K. Onimura,et al. 22,-Dimethyl-4-phenyloxazoline and 2,2-dimethyl-4,5-diphenylimidazolidine as new chiral auxiliaries. Applications to asymmetric nitrile oxide cycloadditions , 1991 .
[47] Scott R. Wilson,et al. Enantioselective Epoxidation of Unfunctionalized Olefins Catalyzed by (salen)Manganese Complexes , 1990 .
[48] R. D. Connell,et al. Enantioselective vicinal hydroxylation of terminal and E-1,2-disubstituted olefins by a chiral complex of osmium tetraoxide. An effective controller system and a rational mechanistic model , 1989 .
[49] E. Corey,et al. Practical enantioselective Diels-Alder and aldol reactions using a new chiral controller system , 1989 .
[50] K. Saigo,et al. Improved optical resolution of (.+-.)-1,2-diphenylethylenediamine. , 1986 .
[51] Y. Leblanc,et al. Additions and Corrections - Design and Reactivity of Topologically Unique, Chiral Phosphonamides. Remarkable Diastereofacial Selectivity in Asymmetric Olefination and Alkylation. , 1984 .
[52] T. A. Whitney. Direct optical resolution of trans-1,2-diamino cyclohexane from an amine mixture , 1980 .
[53] S. J. Cyvin,et al. The Preparation, Separation, and Characterization of the lel3- and ob3-Isomers of Tris(trans-1,2-cyclohexanediamine)iridium(III) Complexes. , 1972 .