Results 161 to 170 of about 97,747 (236)
Oxidation of four monoterpenoid indole alkaloid classes by three cytochrome P450 monooxygenases from Tabernaemontana litoralis. [PDF]
Plant JMai Z +10 more
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Angewandte Chemie - International Edition, 2018
A highly effective hydroxylation reaction of aryl halides with water under synergistic organophotoredox and nickel catalysis is reported. The OH group of the resulting phenols originates from water, following deprotonation facilitated by an ...
Liu Yang +7 more
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A highly effective hydroxylation reaction of aryl halides with water under synergistic organophotoredox and nickel catalysis is reported. The OH group of the resulting phenols originates from water, following deprotonation facilitated by an ...
Liu Yang +7 more
semanticscholar +3 more sources
Remote Hydroxylation through Radical Translocation and Polar Crossover.
Angewandte Chemie - International Edition, 2015Mild conditions are reported for the hydroxylation of aliphatic C-H bonds through radical translocation, oxidation to carbocation, and nucleophilic trapping with H2O.
Kyle A. Hollister +6 more
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One‐Step Selective Hydroxylation of Benzene to Phenol
Asian Journal of Organic Chemistry, 2015Recent developments in the one-step thermal and photochemical catalytic hydroxylation of benzene to phenol using various oxidants are described, focusing on the catalytic mechanisms.
S. Fukuzumi +4 more
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Iron-catalyzed arene C−H hydroxylation
Science, 2021Description Ironing on hydroxyls Although iron-dependent enzymes efficiently hydroxylate aryl rings, this activity has proven hard to replicate with synthetic catalysts. Cheng et al.
Lu Cheng +5 more
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Canadian Journal of Biochemistry and Physiology, 1963
The mixture of products obtained when skatole is oxidized with the ferrous sulphate – ascorbic acid – EDTA – air system has been examined by means of paper and thin layer chromatographic techniques. 3-Methyloxindole, o-aminoacetophenone, N-formyl-o-aminoacetophenone, and the four isomeric hydroxyskatoles have been definitely identified. A number of, as
M. E. Mahon, R. A. Heacock
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The mixture of products obtained when skatole is oxidized with the ferrous sulphate – ascorbic acid – EDTA – air system has been examined by means of paper and thin layer chromatographic techniques. 3-Methyloxindole, o-aminoacetophenone, N-formyl-o-aminoacetophenone, and the four isomeric hydroxyskatoles have been definitely identified. A number of, as
M. E. Mahon, R. A. Heacock
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The hydroxylation of tryptophan
Archives of Biochemistry and Biophysics, 1992Products of the chemical hydroxylation of tryptophan by Fenton and Udenfriend reactions are similar to those obtained by ionizing radiation. When tryptophan is exposed to either of these systems, a mixture of four hydroxytryptophans, oxindole-3-alanine, and N-formylkynurenine is formed.
Zofia Maskos +2 more
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Hydroxylation of desmethylimipramine: Dependence on the debrisoquin hydroxylation phenotype
Clinical Pharmacology and Therapeutics, 1987The 2-hydroxylation of desmethylimipramine (DMI) was studied in 14 healthy subjects previously phenotyped with respect to debrisoquin hydroxylation. After a single oral dose (25 mg), slow hydroxylators of debrisoquin had significantly lower total and metabolic clearances and longer plasma half-lives of DMI and excreted less 2-hydroxydesmethylimipramine
SPINA, Edoardo +3 more
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Stereoselective mephobarbital hydroxylation cosegregates with mephenytoin hydroxylation
Clinical Pharmacology and Therapeutics, 1985The 8-hour urinary recovery of 4-hydroxy-mephobarbital has been measured after oral administration of racemic mephobarbital (90 mg) in 17 extensive (EM) and six poor (PM) metabolizer phenotypes of mephenytoin. The recovery of this metabolite was measurable in every EM and ranged from 2.5% to 48% (10.9% +/- 1.9% of dose), but was not detected in any PM (
A Küpfer +3 more
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