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New Developments in the Field of Vitamin B12: Reactions of the Cobalt Atom in Corrins and in Vitamin B12 Model Compounds

Data up to Jan 2025

Published1976
Citations171
References65

Total Citations Per Year

Abstract

References (65)

Nucleophilic reactivity constants toward methyl iodide and trans-dichlorodi(pyridine)platinum(II)

1968 • 447 citations

Inorganic chemistry of vitamin B12.

1972 • 395 citations

Organocobalt chemistry of vitamin B12 model compounds (cobaloximes)

1968 • 376 citations

Structure of the 5,6-Dimethylbenzimidazolylcobamide Coenzyme

1961 • 313 citations

Reactions of cobalt(I) supernucleophiles. The alkylation of vitamin B12s, cobaloximes(I), and related compounds

1969 • 298 citations

Alkylcobaloximes and Their Relation to Alkylcobalamins

1966 • 252 citations

Coenzym B12‐Modelle

1964 • 235 citations

Photochemical and thermal cobalt-carbon bond cleavage in alkylcobalamins and related organometallic compounds. Comparative study

1968 • 175 citations

Alkylcobalamins and alkylcobaloximes. Electronic structure, spectra, and mechanism of photodealkylation

1970 • 174 citations

The nucleophilicity of vitamin B(sub 12s)

1968 • 169 citations

Cobalamin Model Compounds. Preparation and Reactions of Substituted Alkyl- and Alkenylcobaloximes and Biochemical Implications

1967 • 148 citations

Hydridocobaloximes

1971 • 105 citations

Organometallic derivatives of cobalt chelates of bis(acetylacetone) ethylendiamine

1966 • 104 citations

Kinetics of the Reactions of Pentacyanocobaltate(II) with Organic Halides

1965 • 100 citations

Die Konstitution von Vitamin B12s

1965 • 99 citations

Organometallic derivatives of cobalt(III) chelates of bis(salicylaldehyde) ethylenediimine

1967 • 98 citations

Über Cobaloxime(II) und deren Beziehung zum Vitamin B12r

1966 • 91 citations

Biological cycles for elements in the environment

1975 • 86 citations

Superoxocobalamin, the first intermediate in the autoxidation of vitamin B12

1969 • 84 citations

The molecular and electronic structure of vitamin B12(sub r), cobaloximes(II), and related compounds

1968 • 80 citations

Preparation of organocyanocobaltate(III) complexes

1965 • 76 citations

Insertions photochimique et spontanée d'oxygène dans les liaisons cobaltcarbone des alcoylcobaloximes

1972 • 62 citations

Stereochemistry of the alkylation of cobalt(I)

1970 • 59 citations

Cobalt-carbon bond cleavage in substituted alkylcobalamins and alkylcobaloximes. Evidence for d-orbital participation and olefin.pi. complexes of cobalt(I) nucleophiles

1970 • 59 citations

Reaction of coordinated purines. Facile, high yield synthetic route to N(7)-alkylated xanthines and hypoxanthines. Structure of [bis(dimethylglyoximato)(xanthinato)(tri-n-butylphosphine)cobalt(III)] and the trans influence in cobalt(III) chemistry

1975 • 58 citations

Hydridocobalamin and a new synthesis of organocobalt derivatives of vitamin B12

1971 • 57 citations

Mise en évidence de l'hydrure des cobaloximes(I)

1970 • 55 citations

On cobaloximes with cobalt-sulfur bonds and some model studies related to cobamide-dependent methyl-group-transfer reactions

1967 • 54 citations

Kinetics of the reactions of bis(glyoximato)cobalt(II) complexes with organic halides

1969 • 53 citations

Preparation and Reactions of Organocobalt (III) Complexes

1973 • 51 citations

Bisdimethylglyoximatorhodium derivatives. Analogs of cobaloximes

1970 • 48 citations

Stereochemistry and mechanism of the photochemical and thermal insertion of oxygen into the carbon-cobalt bond of alkyl(pyridine)cobaloximes

1975 • 43 citations

Reductive dealkylation of alkylcobaloximes, alkylcobalamins, and related compounds: Simulation of corrin dependent reductase and methyl group transfer reactions

1973 • 43 citations

Direct method for cobalt-carbon bond formation in cobalt(III)-containing cobalamins and cobaloximes. Further support for cobalt(III) .pi. complexes in coenzyme B12 dependent rearrangements

1973 • 41 citations

Diol dehydrase model studies. Acid catalyzed rearrangement of .beta.-hydroxyisopropylcobaloxime

1974 • 37 citations

Organometallderivate des Bis(dimethylglyoximato)‐kobalts

1969 • 36 citations

Neuere chemische und biochemische Entwicklungen auf dem Vitamin‐B12‐Gebiet

1963 • 35 citations

New Chemical and Biochemical Developments in the Vitamin B12 Field

1964 • 34 citations

Theoretical analysis of corrin optical spectra

1970 • 34 citations

Electron paramagnetic resonance spectra of some vitamin B12 derivatives

1969 • 33 citations

Reactions of the Carbon-Cobalt Bond of Alkylcobalamins

1966 • 31 citations

Ligand-exchange kinetics in methylatobis(dimethylglyoximato)cobalt(III) complexes

1969 • 29 citations

Factors affecting the anaerobic photolysis of the cobalt-carbon bond of cobalt-methylcobalamin

1966 • 29 citations

Novel Degradation Reactions of Halomethyl Derivatives of Bis(diacetyldioximato)cobalt

1971 • 28 citations

Fragmentierungen durch supernucleophile—I

1975 • 27 citations

The reaction of vitamin B12a and of cobaloximes with carbon monoxide. Evidence for self-reduction of vitamin B12a in neutral solution

1968 • 26 citations

Synthesis of Methyl Groups catalysed by Vitamin B12r in vitro

1967 • 22 citations

α-(5,6-Dimethylbenzimidazolyl)rhodibamide and Rhodibinamide, the Rhodium Analogues of Vitamin B12 and Cobinamide

1973 • 22 citations

Elektronenstruktur, Lichtabsorption und Reaktionen von Vitamin B12 und seinen Derivaten

1966 • 21 citations

New σ-bonded bisalkyl and alkyl-aryl cobalt complexes of bis(diacetylmonoxime-imino)propane 1.3

1969 • 21 citations

Reactions of alkylcobalamins and of related complexes with mercaptide ions: S-alkylation by nucleophilic attack

1974 • 20 citations

Mechanism of action of coenzyme B12 in dioldehydrase and related enzymes. Synthesis and reactions of postulated organocorrin intermediates

1973 • 20 citations

Synthesis and reactions of formylmethylcobalamin and of related compounds

1975 • 19 citations

Methylcobalamin and methylcobalt complexes of vitamin B12 model compounds as substrates in nucleophilic displacement reactions

1974 • 18 citations

Rhodium(II)-to-rhodium(II) single bond in bis(triphenylphosphine)tetrakis(dimethylglyoximato)dirhodium

1969 • 18 citations

THE CHEMISTRY OF Co(I) DERIVATIVES OF VITAMIN B12 AND OF RELATED CHELATES

1969 • 18 citations

The reduction of vitamin B12a by carbon monoxide

1970 • 17 citations

Kinetic differentiation between Id [dissociative interchange] and D [dissociative] mechanisms for axial base-ligand exchange in alkyl(base)cobaloximes

1975 • 17 citations

Reductive CoC bond cleavage of alkylcorrins and of vitamin B12 model compounds by alkaline CO, S2O4-- and stannite

1973 • 13 citations

Cobaloxime template reactions I. The formation of N-nitrosamines

1974 • 12 citations

Formation of vitamin B12s by anaerobic photolysis of cobalt-alkylcobalamins

1966 • 12 citations

Mechanisms of Corrin Dependent Enzymatic Reactions

1974 • 9 citations

Relationship between the cobalamin-dependent methyltransferase activities in Escherichia coli B and an E. coli B (met H−) mutant

1973 • 6 citations

Neuartige Abbaureaktionen von Halogenmethyl‐Derivaten des Bis(diacetyldioximato)kobalts

1971 • 5 citations

Additions and Corrections - A New Ring System. 2,6-Dioxabicyclo[2.2.2]octane, a Highly Reactive Bicyclic Acetal.

1975 • 4 citations

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