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Kinetics and mechanism of oxidation of hydroxylamine by tetrachloroaurate(III) ion
The oxidation of H 2 NOH is first-order both in [NH 3 OH + ] and [AuCl 4 − ]. The rate is increased by the increase in [Cl − ] and decreased with increase in [H
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Electron transfer. 153. Internal electron transfer to bound cobalt(III) induced by hydroxyl radical
Hydroxyl radicals, generated in aqueous solution from Fe 2+ and H 2 O 2 , react with the formato, glycolato, lactato and mandelato complexes of (NH 3 ) 5 Co III ...
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Four novel classes of heterobimetallic isopropoxides of chromium(III)
Four novel classes of hydrocarbon-soluble isopropoxometallates of chromium(III): [Cr{η 2 -Zr(OPr i ) 5 } 3 ], [Cr- {η 2 -M 2 (OPr i ) 9 } 3 ] [M = Zr IV , Sn IV ],...
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Thermal Analyses of Diorganotin dl-Mandelates
The compounds [(LR 2 Sn) 2 O] { R =CH 3 (Me), n -C 4 H 9 (B n ); L =C 6 H 5 CH(OH)COO − }were studied by thermogravimetric and differential scanning calorimetry in a...
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Computational modeling of enzymatic keto-enol isomerization reactions
Catalysis of proton abstraction from nonacidic carbon atoms adjacent to a carbonyl or carboxylate group is a fundamental reaction in enzymology that...
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Carbonsäuren
Die Hybridisierung am Kohlenstoff der COOH-Gruppe ist wie bei der Carbonyl-Gruppe sp 2 ....
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Two-Metal Binding Motifs in Protein Crystal Structures
The binding of two metal ions that are in close proximity in proteins is examined using a combination of (1) crystallographic structural database...
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Bio- and Chemo-Catalytic Deracemisation Techniques
Methods for the preparation of chiral building blocks in 100% (theoretical) chemical and optical yield from racemates are reviewed and their specific...
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Kinetics and mechanism of the oxidation of neutralized α-hydroxy acids by tris(pyridine-2-carboxylato)manganese(III)
The kinetics of oxidation of the neutralized α-hydroxy acids: lactic, α-hydroxyisobutyric, mandelic, benzilic and atrolactic acids by...
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Crystalline Inclusion Compounds Derived from Derivatives of Mandelic Acid. Host Synthesis, Inclusion Formation, and X-Ray Structures of a Free Host Compound and of DMSO Inclusion Complexes in Both Racemic and Optically Resolved Forms
New chiral host compounds based on mandelic acid derivatives having methyl (6a, b and 8a, b) or bromo substituents (7a, b) attached to the phenyl...
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Antitumor activity of transition metal(II) complexes with all- trans retinoic acid
Five complexes of transition metals with all-trans retinoic acid (HRA) have been prepared and characterized by elemental analysis, molar conductance,...
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Mandelate racemase assayed by polarimetry
An accurate and convenient assay for mandelate racemase based on polarimetry was developed by making use of the time-dependent decrease of the...
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Supramolecular Architectures on Liquid Surfaces. from 2-D Assemblies to 3-D Crystals
Self-assembly of molecules into structured clusters is an important intermediate state en route to the growth of three-dimensional...
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Flavor Characteristics and Stereochemistry of the Volatile Constituents of Greater Galangal (Alpinia Galanga Willd.)
The rhizomes of greater galangal (Alpinia galanga Willd. L.) are widely used as a spice throughout south-east Asian countries. A flavor concentrate...
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An Analysis of the Amino Acid Clustering Pattern in (α/β)8 Barrel Proteins
The (α/β) 8 barrel proteins, in spite of having a common fold, do not show any sequence similarity. In order to understand the factors which are...
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Performance comparison between packed column supercritical fluid chromatography (SFC) and HPLC using cyclandelate as the model analyte
A reproducible and fast method has been developed for the assay of cyclandelate in bulk and drug forms using packed column supercritical fluid...
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Flavocytochromes: Nature’s Electrical Transformers
Flavocytochromes, as the name suggests, contain both flavin and heme groups as cofactors. The flavin can be flavin adenine dinucleotide (FAD) or...