John M. Pratt - Publications

Affiliations: 
Chemistry University of the Witwatersrand, South Africa 
Area:
Inorganic Chemistry

52 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2002 Hamza MSA, Van Eldik R, Harper PLS, Pratt JM, Betterton EA. Five-coordination and adduct formation in CoIII-corrinoids dissecting ligand substitution into its component steps European Journal of Inorganic Chemistry. 580-583. DOI: 10.1002/1099-0682(200203)2002:3<580::Aid-Ejic580>3.0.Co;2-Z  0.559
1997 Norris PR, Harper PLS, Pratt JM. Steric, electronic and solvation effects in the co-ordination of amines by the [Fe(CN)5(OH2)]3- ion Journal of the Chemical Society - Dalton Transactions. 2505-2509. DOI: 10.1039/A701098B  0.385
1996 Hamza MSA, Pratt JM. Influence of solvent polarity from water to toluene on the co-ordination of pyridines by the cobalt(III) corrinoid sulfitocobyrinic acid heptamethyl ester Journal of the Chemical Society-Dalton Transactions. 3721-3725. DOI: 10.1039/Dt9960003721  0.401
1995 Norris PR, Pratt JM. Co-ordination of amines to [Fe(CN)5(OH2)]3- Journal of the Chemical Society, Dalton Transactions. 3651-3657. DOI: 10.1039/Dt9950003651  0.391
1995 Norris PR, Pratt JM. Co-ordination of nitriles to [Fe(CN)5(OH2)]3- and use of the acetonitrile complex for the determination of equilibrium constants Journal of the Chemical Society, Dalton Transactions. 3643-3649. DOI: 10.1039/Dt9950003643  0.373
1995 Pratt JM, Ridd TI, King LJ. Activation of H2O2 by P450: Evidence that the hydroxylating intermediate is iron(III)-coordinated H2O2 and not the ferryl FeO3+ complex Journal of the Chemical Society, Chemical Communications. 2297-2298. DOI: 10.1039/C39950002297  0.312
1994 Hamza MSA, Pratt JM. The chemistry of vitamin B12. Part 30. Co-ordination of amines, pyridines and diazines by aquacyanocobinamide; nitrogen-containing bases as probes for basicity and other effects in metal-ligand bonding Journal of the Chemical Society, Dalton Transactions. 1377-1382. DOI: 10.1039/Dt9940001377  0.467
1994 Hamza MSA, Pratt JM. The chemistry of vitamin B12. Part 29. Co-ordination of imidazoles and 1,2,4-triazole by aquacyanocobinamide Journal of the Chemical Society, Dalton Transactions. 1373-1376. DOI: 10.1039/Dt9940001373  0.466
1994 Pratt JM, Norris PR, Hamza MSA, Bolton R. Methyl transfer from nitrogen to cobalt: Model for the B 12-dependent methyl transfer enzymes Journal of the Chemical Society, Chemical Communications. 1333-1334. DOI: 10.1039/C39940001333  0.358
1993 Hamza MSA, Pratt JM. Hemes and hemoproteins. Part 9. Co-ordination of pyridines and diazines by the iron(III) porphyrin microperoxidase-8 Journal of the Chemical Society, Dalton Transactions. 1647-1650. DOI: 10.1039/Dt9930001647  0.342
1993 Byfield MP, Hamza MSA, Pratt JM. Hemes and hemoproteins. Part 8. Co-ordination of amines and amino acids by the iron(III) porphyrin microperoxidase-8 Journal of the Chemical Society, Dalton Transactions. 1641-1645. DOI: 10.1039/Dt9930001641  0.371
1993 Marques HM, Byfield MP, Pratt JM. Hemes and hemoproteins. Part 7. Co-ordination of ammonia, aniline and pyridine by the iron(III) porphyrin microperoxidase-8 Journal of the Chemical Society, Dalton Transactions. 1633-1639. DOI: 10.1039/Dt9930001633  0.374
1993 Pratt JM, Hamza MSA, Buist GJ. Mechanism of Co-methylation of Co corrinoids in the presence of thiols Journal of the Chemical Society, Chemical Communications. 701-702. DOI: 10.1039/C39930000701  0.317
1992 Byfield MP, Pratt JM. Coordination of amino acids by the Fe3+ porphyrin microperoxidase-8: Possible role for the invariant Phe in the peroxidase enzymes Journal of the Chemical Society, Chemical Communications. 214-215. DOI: 10.1039/C39920000214  0.314
1989 Byfield MP, Frost VL, Pemberton JLJ, Pratt JM. Evidence for adduct formation in the solubilisation of hydrophobic compounds by aqueous solutions of urea Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases. 85: 2713-2721. DOI: 10.1039/F19898502713  0.42
1987 Marques HM, Baldwin DA, Pratt JM. Hemes and hemoproteins. 3. The reaction of microperoxidase-8 with cyanide: comparison with aquocobalamin and hemoproteins. Journal of Inorganic Biochemistry. 29: 77-91. PMID 3031209 DOI: 10.1016/0162-0134(87)80014-4  0.354
1987 Baldwin DA, Marques HM, Pratt JM. Hemes and hemoproteins. 5: Kinetics of the peroxidatic activity of microperoxidase-8: model for the peroxidase enzymes. Journal of Inorganic Biochemistry. 30: 203-17. PMID 2821191 DOI: 10.1016/0162-0134(87)80064-8  0.338
1987 Markwell AJ, Pratt JM, Shaikjee MS, Toerien JG. The chemistry of vitamin B12. Part 28. Crystal structure of dicyanocobyrinic acid heptamethyl ester and its interaction with alcohols: The effects of hydrogen bonding to co-ordinated cyanide Journal of the Chemical Society, Dalton Transactions. 1349-1357. DOI: 10.1039/Dt9870001349  0.375
1987 Chemaly SM, Betterton EA, Pratt JM. The chemistry of vitamin B12. Part 27. The cage phosphite ester 4-ethyl-2,6,7-trioxa-1-phosphabicyclo[2.2.2]octane and the anionic dimethyl phosphite as ligands for cobalt(III) corrinoids Journal of the Chemical Society, Dalton Transactions. 761-767. DOI: 10.1039/Dt9870000761  0.596
1986 Baldwin DA, Marques HM, Pratt JM. Hemes and hemeproteins, 2: The pH-dependent equilibria of microperoxidase-8 and characterization of the coordination sphere of Fe(III). Journal of Inorganic Biochemistry. 27: 245-54. PMID 3018152 DOI: 10.1016/0162-0134(86)80065-4  0.33
1986 Aron J, Baldwin DA, Marques HM, Pratt JM, Adams PA. Hemes and hemoproteins. 1: Preparation and analysis of the heme-containing octapeptide (microperoxidase-8) and identification of the monomeric form in aqueous solution. Journal of Inorganic Biochemistry. 27: 227-43. PMID 3018151 DOI: 10.1016/0162-0134(86)80064-2  0.315
1985 Baldwin DA, Betterton EA, Chemaly SM, Pratt JM. The chemistry of vitamin B12. Part 25. Mechanism of the β-elimination of olefins from alkylcorrinoids; evidence for an initial homolytic fission of the Co-C bond Journal of the Chemical Society, Dalton Transactions. 1613-1618. DOI: 10.1039/Dt9850001613  0.6
1985 Baldwin DA, Marques HM, Pratt JM. Mechanism of activation of H2O2 by peroxidases: kinetic studies on a model system Febs Letters. 183: 309-312. DOI: 10.1016/0014-5793(85)80799-7  0.304
1985 Betterton EA, Chemaly SM, Pratt JM. The chemistry of vitamin B12. Part 26. Co-ordination of the malonitrile anion by CoIII corrinoids: First experimental determination of equilibrium constants for the co-ordination of a tetrahedral carbanion by a transition-metal ion Journal of the Chemical Society, Dalton Transactions. 1619-1622. DOI: 10.1002/Chin.198548078  0.643
1985 Baldwin DA, Betterton EA, Chemaly SM, Pratt JM. THE CHEMISTRY OF VITAMIN B12. PART 25. MECHANISM OF THE β-ELIMINATION OF F OLEFINS FROM ALKYLCORRINOIDS: EVIDENCE FOR AN INITIAL HOMOLYTIC FISSION OF THE COBALT-CARBON BOND Cheminform. 16. DOI: 10.1002/Chin.198548077  0.621
1984 Baldwin DA, Campbell VM, Marques HM, Pratt JM. Protein-free models for the proton-coupled reduction of haemoproteins. Febs Letters. 167: 339-42. PMID 6321245 DOI: 10.1016/0014-5793(84)80153-2  0.354
1984 Chemaly SM, Pratt JM. The chemistry of vitamin B12. Part 24. Evidence for hydride complexes of cobalt(III) corrinoids Journal of the Chemical Society, Dalton Transactions. 595-599. DOI: 10.1039/Dt9840000595  0.478
1984 Mooiman MB, Pratt JM. Reaction of H2 with [CoII(CN)5]3- Ions in aqueous solution; the role of ion pairs Journal of Molecular Catalysis. 27: 367-371. DOI: 10.1016/0304-5102(84)85095-6  0.329
1984 Pratt JM. The B12-dependent enzymatic reactions: how the protein exploits the organometallic chemistry of cobalt corrinoids Journal of Molecular Catalysis. 23: 187-193. DOI: 10.1016/0304-5102(84)80006-1  0.402
1984 Chemaly SM, Pratt JM. The Chemistry Of Vitamin B12. Part 24. Evidence For Hydride Complexes Of Cobalt(Iii) Corrinoids Cheminform. 15. DOI: 10.1002/Chin.198430259  0.465
1984 Chemaly SM, Hasty RA, Pratt JM. The Chemistry Of Vitamin B12. Part 23. Decomposition Of The Cobalt(I) Cobalamin B12S In Aqueous Solution: A Novel Oscillating Reaction Cheminform. 15. DOI: 10.1002/Chin.198402270  0.464
1984 Baldwin DA, Betterton EA, Pratt JM. The Chemistry Of Vitamin B12. Part 22. Steric Effects In The Coordination Of Amines By Cobalt(Iii) Corrinoids Cheminform. 15. DOI: 10.1002/Chin.198402269  0.669
1983 Chemaly SM, Hasty RA, Pratt JM. The chemistry of vitamin B12. Part 23. Decomposition of the cobalt(I) cobalamin B12s in aqueous solution; a novel oscillating reaction Journal of the Chemical Society, Dalton Transactions. 2223-2227. DOI: 10.1039/Dt9830002223  0.424
1983 Baldwin DA, Betterton EA, Pratt JM. The chemistry of vitamin B12. Part 22. Steric effects in the co-ordination of amines by cobalt(III) corrinoids Journal of the Chemical Society, Dalton Transactions. 2217-2222. DOI: 10.1039/Dt9830002217  0.648
1983 Baldwin DA, Betterton EA, Pratt JM. The chemistry of vitamin B12. Part 21. Ethynylaquocobinamide: Novel reaction of diaquocobinamide with acetylene catalysed by copper ions Journal of the Chemical Society, Dalton Transactions. 225-229. DOI: 10.1039/Dt9830000225  0.68
1983 Baldwin DA, Betterton EA, Pratt JM. The chemistry of vitamin B12. Part 20. Diaquocobinamide: pK values and evidence for conformational isomers Journal of the Chemical Society, Dalton Transactions. 217-223. DOI: 10.1039/Dt9830000217  0.644
1983 Pratt JM. Role of the protein in the B12-dependent enzymes: steric control of a molecular switch Inorganica Chimica Acta. 79: 27-28. DOI: 10.1016/S0020-1693(00)95047-3  0.402
1983 Baldwin DA, Betterton EA, Pratt JM. The Chemistry Of Vitamin B12. Part 21. Ethynylaquacobinamide: Novel Reaction Of Diaquacobinamide With Acetylene Catalyzed By Copper Ions Cheminform. 14. DOI: 10.1002/Chin.198319300  0.653
1983 Baldwin DA, Betterton EA, Pratt JM. The Chemistry Of Vitamin B12. Part 20. Diaquacobinamide: Pk Values And Evidence For Conformational Isomers Cheminform. 14. DOI: 10.1002/Chin.198319299  0.658
1981 Mooiman MB, Pratt JM. Evidence for the heterolytic fission of H2 by cobalt cyanide complexes Journal of the Chemical Society, Chemical Communications. 33-34. DOI: 10.1039/C39810000033  0.312
1980 Chemaly SM, Pratt JM. The chemistry of vitamin B12. Part 19. Labilisation of the cobalt-carbon bond in organocobalamins by steric distortions; neopentyl-cobalamin as a model for labilisation of the vitamin B12 coenzymes Journal of the Chemical Society, Dalton Transactions. 2274-2281. DOI: 10.1039/Dt9800002274  0.441
1980 Chemaly SM, Pratt JM. The chemistry of vitamin B12. Part 18. Nature of the equilibria exhibited by organocobalamins Journal of the Chemical Society, Dalton Transactions. 2267-2273. DOI: 10.1039/Dt9800002267  0.453
1980 Chemaly SM, Pratt JM. The chemistry of vitamin B12. Part 17. The effect of steric distortion of the cobalt-carbon bond on the pK values and spectra of organocobalamins Journal of the Chemical Society, Dalton Transactions. 2259-2266. DOI: 10.1039/Dt9800002259  0.412
1978 Johnson PR, Pratt JM, Tilley RI. Experimental determination of the standard reduction potential of the gold(I) ion Journal of the Chemical Society, Chemical Communications. 606-607. DOI: 10.1039/C39780000606  0.322
1978 Adams PA, Baldwin DA, Hepner CE, Pratt JM. Coordination of imidazole by hemin in organic and aqueous organic solvents Bioinorganic Chemistry. 9: 479-494. DOI: 10.1016/S0006-3061(00)80132-5  0.346
1976 Chemaly S, Pratt JM. Carbon-skeleton rearrangement of the alkyl ligand in a vitamin B 12 derivative Journal of the Chemical Society, Chemical Communications. 988-989. DOI: 10.1002/Chin.197714373  0.433
1971 Brearley AE, Gott H, Hill HAO, O'Riordan M, Pratt JM, Williams RJP. The chemistry of vitamin B12. Part XIV. Reaction of vitamin B12s with nitrobenzene and its reduction products Journal of the Chemical Society a: Inorganic, Physical, and Theoretical Chemistry. 612-614. DOI: 10.1039/J19710000612  0.34
1971 Hayward GC, Hill HAO, Pratt JM, Williams RJP. The chemistry of vitamin B12. Part XII. The co-ordination of nitrogenous bases Journal of the Chemical Society a: Inorganic, Physical, and Theoretical Chemistry. 196-200. DOI: 10.1039/J19710000196  0.308
1970 Hill HA, Pratt JM, Thorp RG, Ward B, Williams RJ. The chemistry of vitamin B 12. The co-ordination of biologically important molecules. The Biochemical Journal. 120: 263-9. PMID 5493853 DOI: 10.1042/Bj1200263  0.354
1969 Hill HA, Pratt JM, Williams RJ. The chemistry of vitamin B 12. Chemistry in Britain. 5: 156-61. PMID 5777575  0.335
1969 Firth RA, Hill HAO, Pratt JM, Thorp RG, Williams RJP. The chemistry of vitamin B12. Part XI. Some further formation constants Journal of the Chemical Society a: Inorganic, Physical, and Theoretical Chemistry. 381-386. DOI: 10.1039/J19690000381  0.346
1965 Hayward GC, Hill HA, Pratt JM, Vanston NJ, Williams RJ. The chemistry of vitamin B 12. IV. The thermodynamic trans-effect. Journal of the Chemical Society. Perkin Transactions 1. 6485-93. PMID 5891969  0.357
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