PYRROLIZIDINE ALKALOID BIOSYNTHESIS. RELATIVE RATES OF INCORPORATION OF THE ISOMERS OF ISOLEUCINE INTO THE NECIC ACID COMPONENT OF SENECIONINE = BIOSYNTHESE DES ALCALOIDES PYRROLIZIDINIQUES. DEGRES RELATIFS D'INCORPORATION DES ISOMERES DE L'ISOLEUCINE DANS L'ACIDE NECIQUE DE LA SENECIONINEDAVIES NM; CROUT DHG.1974; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1974; NO 18; PP. 2079-2082; BIBL. 8REF.Article

PYRROLIZIDINE ALKALOID ANALOGUES. PREPARATION OF SEMISYNTHETIC ESTERS OF RETRONECINE.HOSKINS WM; CROUT DHG.1977; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1977; NO 5; PP. 538-544; BIBL. 28 REF.Article

ABSOLUTE CONFIGURATION OF 2,3-DIHYDROXY-3-METHYLPENTANOIC ACID, AN INTERMEDIATE IN THE BIOSYNTHESIS OF ISOLEUCINE, AND ITS IDENTITY WITH THE ESTERIFYING ACID OF THE PYRROLIZIDINE ALKALOID STRIGOSINE.CROUT DHG; WHITEHOUSE D.1977; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1977; NO 5; PP. 544-549; BIBL. 19 REF.Article

SIMULTANEOUS ANALYSIS OF METHYL METHACRYLATE AND METHACRYLIC ACID IN BLOOD BY DOUBLE ISOTOPE DERIVATIVE DILUTION ANALYSISCORKILL JA; CROUT DHG.1982; JOURNAL OF CHROMATOGRAPHY; ISSN 0021-9673; NLD; DA. 1982-12; VOL. 233; PP. 404-409; BIBL. 20 REF.Article

THE BASE-CATALYZED REARRANGEMENT OF ALPHA -ACETOLACTATE (2-HYDROXY-2-METHYL-3-OXOBUTANOTE): A NOVEL CARBOXYLATE ION MIGRATION IN A TERTIARY KETOL REARRANGEMENTCROUT DHG; HEDGECOCK CJR.1979; J. CHEM. SOC., PERKIN TRANS., 1; GBR; DA. 1979; NO 8; PP. 1982-1989; BIBL. 12 REF.Article

SODIUM AMALGAM REDUCTION OF 3-BROMOPROPENOIC ACIDS: A CONVENIENT STEREOSPECIFIC SYNTHESIS OF (3-³H₁) AND (3-²H₁) ACRYLIC ACIDS.CROUT DHG; CORKILL JA.1977; TETRAHEDRON LETTERS; G.B.; DA. 1977; NO 49; PP. 4355-4357; BIBL. 9 REF.Article

THE CRYSTAL STRUCTURE OF AXILLARINE HYDROBROMIDE ETHANOL SOLVATE: A PYRROLIZIDINE ALKALOID.STOECKLI EVANS H; CROUT DHG.1976; HELV. CHIM. ACTA; SUISSE; DA. 1976; VOL. 59; NO 6; PP. 2168-2178; BIBL. 23 REF.Article

PYRROLIZIDINE ALKALOIDS. BIOSYNTHESIS OF MONOCROTALIC ACID, THE NECIC ACID COMPONENT OF MONOCROTALINE = LES ALCALOIDES PYRROLIZIDINIQUES. BIOSYNTHESE DE L'ACIDE MONOCROTALIQUE, L'ACIDE NECIQUE DE LA MONOCROTALINEROBINS DJ; BALE NM; CROUT DHG et al.1974; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1974; NO 18; PP. 2082-2086; BIBL. 9REF.Article

UNUSUAL STEREOSPECIFICITY IN THE HYDROGENATION OF AN ISOPROPENYL FUNCTION WITH WILKINSON'S CATALYST; A ROUTE TO CHIRAL METHYL VALINECROUT DHG; LUTSTORF M; MORGAN PJ et al.1981; J. CHEM. SOC., CHEM. COMMUN.; ISSN 0022-4936; GBR; DA. 1981; NO 22; PP. 1175-1176; BIBL. 3 REF.Article

BIOSYNTHESIS OF VALINE AND ISOLEUCINE: SYNTHESIS AND BIOLOGICAL ACTIVITY OF (2S)-ALPHA -ACETOLACTIC ACID (2-HYDROXY-2-METHYL-3-OXOBUTANOIC ACID), AND (2R)- AND (2S)-ALPHA -ACETOHYDROXYBUTYRIC ACID (2-ETHYL-2-HYDROXY-3-OXOBUTANOIC ACID)ARMSTRONG FB; LIPSCOMB EL; CROUT DHG et al.1983; PERKIN TRANSACTIONS 1; ISSN 0300-922X; GBR; DA. 1983; NO 6; PP. 1197-1201; BIBL. 17 REF.Article

STEREOCHEMISTRY OF VALINE BIOSYNTHESIS: CONFIGURATION OF THE PRODUCT OF REARRANGEMENT OF ALPHA -ACETOLACTATECROUT DHG; HEDGECOCK CJR; LIPSCOMB EL et al.1980; EUR. J. BIOCHEM.; ISSN 0014-2956; DEU; DA. 1980; VOL. 110; NO 2; PP. 439-444; BIBL. 11 REF.Article

PYRROLIZIDINE ALKALOID BIOSYNTHESIS: STEREOCHEMISTRY OF THE FORMATION OF ISOLEUCINE IN SENECIO SPECIES AND OF ITS CONVERSION INTO NECIC ACIDSCAHILL R; CROUT DHG; GREGORIO MVM et al.1983; PERKIN TRANSACTIONS 1; ISSN 0300-922X; GBR; DA. 1983; NO 1; PP. 173-180; BIBL. 16 REF.Article

STEREOSELECTIVITY AND STEREOSPECIFICITY OF THE ALPHA ,BETA -DIHYDROXYACID DEHYDRATASE FROM SALMONELLA TYPHIMURIUM.ARMSTRONG FB; MULLER US; REARY JB et al.1977; BIOCHIM. BIOPHYS. ACTA; PAYS-BAS; DA. 1977; VOL. 498; NO 2; PP. 282-293; BIBL. 32 REF.Article

STEREOSPECIFICITY OF THE ENZYMATIC DEHYDROGENATION IN THE BIOSYNTHESIS OF 3-ETHYLIDENE-L-AZETIDINE-2-CARBOXYLIC ACID FROM ISOLEUCINE BY STREPTOMYCES CACAOIHILL RK; RHEE SW; ISONO K et al.1981; BIOCHEMISTRY (EAST.); ISSN 0006-2960; USA; DA. 1981; VOL. 20; NO 24; PP. 7040-7042Article

ISOLEUCINE BIOSYNTHESIS AND METABOLISM: STEREOCHEMISTRY OF THE FORMATION OF L-ISOLEUCINE AND ITS CONVERSION INTO SENECIC AND ISATINECIC ACIDS IN SENECIO SPECIESCAHILL R; CROUT DHG; MITCHELL MB et al.1980; J. CHEM. SOC., CHEM. COMMUNIC.; GBR; DA. 1980; NO 10; PP. 419-421; BIBL. 6 REF.Article

BIOSYNTHESIS OF L-VALINE IN SALMONELLA TYPHIMURIUM: ORIGIN OF THE DIASTEREOTOPIC METHYL GROUPSCROUT DHG; HEDGECOCK CJR; LIPSCOMB EL et al.1980; J. CHEM. SOC., CHEM. COMMUNIC.; GBR; DA. 1980; NO 7; PP. 304-305; BIBL. 7 REF.Article

BIOSYNTHESIS OF THE ACIDS OF THE PYRROLIZIDINE ALKALOIDS. FURTHER INVESTIGATIONS OF THE FORMATION OF SENECIC AND ISATINECIC ACIDS IN SENECIO SPECIES.BALE NM; CAHILL R; DAVIES NM et al.1978; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1978; NO 2; PP. 101-110; BIBL. 27 REF.Article

TOXICOLOGY OF METHYL METHACRYLATE. THE RATE OF DISAPPEARANCE OF METHYL METHACRYLATE IN HUMAN BLOOD IN VITROCORKILL JA; LLYOD EJ; HOYLE P et al.1976; CLIN. CHIM. ACTA; PAYS-BAS; DA. 1976; VOL. 68; NO 2; PP. 141-146; BIBL. 14 REF.Article

STEREOCHEMISTRY OF THE CONVERSIONS OF L-THREONINE AND D-THREONINE INTO 3-OXOBUTANOATE BY THE L-THREONINE AND D-THREONINE DEHYDRATASES OF SERRATIA MARCESCENSCROUT DHG; GREGORIO MVM; MUELLER US et al.1980; EUROP. J. BIOCHEM.; DEU; DA. 1980; VOL. 106; NO 1; PP. 97-105; BIBL. 34 REF.Article

STEREOCHEMISTRY OF THE CONVERSIONS IN VIVO OF L- AND D-THREONINE INTO 2-OXOBUTANOIC ACID BY THE L- AND D-THREONINE DEHYDRATASES OF SERRATIA MARCESCENS.KOMATSUBARA S; KISUMI M; CHIBATA I et al.1977; J. CHEM. SOC., CHEM. COMMUNIC.; GBR; DA. 1977; NO 23; PP. 839-841; BIBL. 14 REF.Article

THE STEREOCHEMISTRY OF THE INCORPORATION OF THE METHYL GROUPS OF "CHIRAL METHYL VALINE" INTO METHYLENE GROUPS IN CEPHALOSPORIN CABRAHAM E; CHI PUI PANG; WHITE RL et al.1983; JOURNAL OF THE CHEMICAL SOCIETY. CHEMICAL COMMUNICATIONS; ISSN 0022-4936; GBR; DA. 1983; NO 13; PP. 723-724; BIBL. 4 REF.Article