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Results 1 to 25 of 828

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BETA -DECAY AND THE ORIGIN OF OPTICAL PURITY.FAJSZI C; ZGEGE J.1977; ORIGINS OF LIFE; NETHERL.; DA. 1977; VOL. 8; NO 3; PP. 277-281; BIBL. 1 REF.Article

OBTENTION DE PREPARATIONS SPECTROMETRIQUES DE 168TMLEBEDEV NA; KHAN KHEN MO; KHALKIN VA et al.1980; RADIOKHIMIJA; SUN; DA. 1980; VOL. 22; NO 2; PP. 293-296; BIBL. 8 REF.Article

Comparative analysis of the role of statistical fluctuations and factor of advantage (parity non-conservation) in the origins of optical activityMOROZOV, L. L; KUŹMIN, V. V; GOLDANSKII, V. I et al.Origins of life. 1983, Vol 13, Num 2, pp 119-138, issn 0302-1688Article

DIRECT DETERMINATION OF ENANTIOMERIC PURITY USING CPL SPECTROSCOPYSCHIPPERS PH; DEKKERS HPJM.1982; TETRAHEDRON; ISSN 0040-4020; GBR; DA. 1982; VOL. 38; NO 14; PP. 2089-2096; BIBL. 24 REF.Article

A NEW METHOD FOR THE DETERMINATION OF OPTICAL PURITY OF SYNTHETIC PEPTIDESKUSUMOTO S; MATSUKURA M; SHIBA T et al.1981; BIOPOLYMERS; ISSN 0006-3525; USA; DA. 1981; VOL. 20; NO 9; PP. 1869-1875; BIBL. 6 REF.Article

ENANTIOMER LABELLING, A METHOD FOR THE QUANTITATIVE ANALYSIS OF AMINO ACIDSFRANK H; NICHOLSON GJ; BAYER E et al.1978; J. CHROMATOGR.; NLD; DA. 1978; VOL. 167; PP. 187-196; BIBL. 11 REF.Conference Paper

PREPARATION OF OPTICALLY ACTIVE BENZYL-ALPHA -D ALCOHOL VIA REDUCTION BY B-3ALPHA -PINANYL-9-BORABICYCLO (3.3.1) NONANE. A NEW HIGHLY EFFECTIVE CHIRAL REDUCING AGENT.MIDLAND MM; TRAMONTANO A; ZDERIC SA et al.1977; J. AMER. CHEM. SOC.; U.S.A.; DA. 1977; VOL. 99; NO 15; PP. 5211-5213; BIBL. 14 REF.Article

SIMPLE SYNTHESIS OF MONOISOPINOCAMPHEYLBORANE OF HIGH OPTICAL PURITYBROWN HC; SCHWIER JR; SINGARAM B et al.1978; J. ORG. CHEM.; USA; DA. 1978; VOL. 43; NO 22; PP. 4395-4397; BIBL. 9 REF.Article

A CONVENIENT SYNTHESIS AND RESOLUTION OF R- AND S-ATROLACTIC ACID IN HIGH ENANTIOMERIC PURITY.MEYERS AI; SLADE J.1976; SYNTHET. COMMUNIC.; U.S.A.; DA. 1976 PARU 1977; VOL. 6; NO 8; PP. 601-608; BIBL. 7 REF.Article

COLOUR SPECIFICATION FOR "WHITE GLASSESMADDEN BG; ROBERTS OC; BRUNGS MP et al.1983; GLASS TECHNOL.; ISSN 0017-1050; GBR; DA. 1983; VOL. 24; NO 1; PP. 40-42; BIBL. 6 REF.Article

SYNTHESE DE COORDINATS PHOSPHINES CHIRAUX POUR LES REACTIONS ASYMETRIQUES CATALYTIQUESTANAKA M.1978; J. SYNTHET. ORG. CHEM. JAP.; JAP.; DA. 1978; VOL. 36; NO 1; PP. 41-48; ABS. ANGL.; BIBL. 1 P. 1/2Article

SYNTHESIS AND ISOLATION OF OPTICALLY PURE L- AND D-2-2H AMINO ACIDS VIA COBALT(III) CHELATES.KEYES WE; LEGG JI.1976; J. AMER. CHEM. SOC.; U.S.A.; DA. 1976; VOL. 98; NO 16; PP. 4970-4975; BIBL. 20 REF.Article

QUINONES OF STREPTOCARPUS DUNNIIINOUE K; UEDA S; NAYESHIRO H et al.1983; PHYTOCHEMISTRY; ISSN 0031-9422; USA; DA. 1983; VOL. 22; NO 3; PP. 737-741; BIBL. 7 REF.Article

ORGANOBORANES. XXVII: EXPLORATION OF SYNTHETIC PROCEDURES FOR THE PREPARATION OF MONOISOPINOCAMPHEYLBORANEBROWN HC; MANDAL AK; NUNG MIN YOON et al.1982; J. ORG. CHEM.; ISSN 0022-3263; USA; DA. 1982; VOL. 47; NO 26; PP. 5069-5074; BIBL. 33 REF.Article

DIASTEREOMERES PURS DES ESTERS L-MENTHYLIQUES DE L'ACIDE PHENYLACETIQUE ALPHA -MERCURIE ET DETERMINATION DE LA PURETE DIASTEREOMERIQUE PAR SPECTROMETRIE RMNREUTOV OA; SULEJMANOV GZ; ROZENBERG VI et al.1979; IZVEST. AKAD. NAUK S.S.S.R., SER. KHIM.; SUN; DA. 1979; NO 2; PP. 470-472; BIBL. 3 REF.Article

N-METHYLAMINO ACIDS IN PEPTIDE SYNTHESIS. VII. STUDIES ON THE ENANTIOMERIC PURITY OF N-METHYLAMINO ACIDS PREPARED BY VARIOUS PROCEDURES.CHEUNG ST; BENOITON NL.1977; CANAD. J. CHEM.; CANADA; DA. 1977; VOL. 55; NO 5; PP. 916-921; ABS. FR.; BIBL. 20 REF.Article

SYNTHESIS OF S(+) AND R(-)-3-(2-AMINOPROPYL) INDOLE FROM ETHYL-D-AND L-TRYPTOPHANATE.REPKE DB; FERGUSON WJ.1976; J. HETEROCYCL. CHEM.; U.S.A.; DA. 1976; VOL. 13; NO 4; PP. 775-778; BIBL. 25 REF.Article

Monoterpenoids. VI: On the optical purity of (+)-car-3-ene from Pinus roxburghii, and the source of racemization of (-)-menthol derived therefromMISRA, A. N; SOMAN, R; DEV, S et al.Tetrahedron (Oxford. Print). 1988, Vol 44, Num 22, pp 6941-6946, issn 0040-4020Article

Eluting trace components before major constituents. I: Sensitivity enhancement in analytical determinations of optical purityPERRY, J. A; RATEIKE, J. D; SZCZERBA, T. J et al.Journal of chromatography. 1987, Vol 389, Num 1, pp 57-64, issn 0021-9673Article

Enantioselective synthesis using crude enzymesDEEVI BASAVAIAH; PEDDINTI RAMA KRISHNA.Pure and applied chemistry. 1992, Vol 64, Num 8, pp 1067-1072, issn 0033-4545Conference Paper

Enhanced optical purity of 3-hydroxyesters obtained by Baker's yeast reduction of 3-ketoestersSPILIOTIS, V; PAPAHATJIS, D; RAGOUSSIS, N et al.Tetrahedron letters. 1990, Vol 31, Num 11, pp 1615-1616, issn 0040-4039, 2 p.Article

Comparison of two β-cyclodextrin bonded stationary phases for high-performance liquid chromatography: elution order and optical purity of enantiomers of cyclohexylphenyl-glycolic acidFEITSMA, K. G; DRENTH, B. F. H; DE ZEEUW, R. A et al.Journal of chromatography. 1987, Vol 387, pp 447-452, issn 0021-9673Article

Simple and highly sensitive high-performance liquid chromatographic method for separating enantiomeric diacylglycerols by direct derivatization with a fluorescent chiral agent,(S)-2-tert.-butyl-2-methyl-1,3-benzodioxole-4-carboxylic acidJEONG-KWAN KIM; NISHIDA, Y; OHRUI, H et al.Journal of chromatography. A. 1995, Vol 693, Num 2, pp 241-249Article

A new route to sequential polypeptides combining solid phase synthesis and solution peptide synthesisVERHAEGHE, J; LACASSIE, E; BERTRAND, M et al.Tetrahedron letters. 1993, Vol 34, Num 3, pp 461-464, issn 0040-4039Article

Synthesis of 2,3-O-isopropylidene-D-glyceraldehyde in high chemical and optical purity : observations on the development of a practical bulk processSCHMID, C. R; BRYANT, J. D; DOWKATZEDAH, M et al.Journal of organic chemistry. 1991, Vol 56, Num 12, pp 4056-4058, issn 0022-3263, 3 p.Article

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