scholarly journals Oxidation of sulfides and epoxidation of olefins caused by the reaction of Pd-peroxo or Co-superoxo complex with carboxylic acid derivatives.

1988 ◽  
Vol 36 (6) ◽  
pp. 1997-2002 ◽  
Author(s):  
TADAHIKO MASHINO ◽  
TETSUO NAGANO ◽  
MASAAKI HIROBE
Keyword(s):  
Carboxylic Acid ◽  
Oxidation Of Sulfides ◽  
Epoxidation Of Olefins

Enantioselective aerobic oxidation of olefins by magnetite nanoparticles at room temperature: a chiral carboxylic acid strategy

2016 ◽  
Vol 18 (2) ◽  
pp. 497-507 ◽  
Author(s):  
Leila Hadian-Dehkordi ◽  
Hassan Hosseini-Monfared
Keyword(s):  
Carboxylic Acid ◽  
Tartaric Acid ◽  
Magnetite Nanoparticles ◽  
Room Temperature ◽  
Aerobic Oxidation ◽  
Oxidation Of Olefins ◽  
Epoxidation Of Olefins

Magnetite nanoparticles stabilized by l-(+)-tartaric acid show high to excellent enantioselectivity in the aerobic epoxidation of olefins.

Oxidation Reactions Catalyzed by Polyoxomolybdate Salts

2013 ◽  
Vol 68 (5-6) ◽  
pp. 587-597 ◽  
Author(s):  
Bo Zhang ◽  
Su Li ◽  
Alexander Pöthig ◽  
Mirza Cokoja ◽  
Shu-Liang Zang ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Environmentally Benign ◽  
Oxidation Reactions ◽  
X Ray Diffraction ◽  
Oxidation Of Sulfides ◽  
Urea Hydrogen Peroxide ◽  
Ionic Compounds ◽  
Solid State Structures ◽  
Epoxidation Of Olefins

Ionic compounds containing the polyoxomolybdate anion [Mo6O19]2- and [(n-C4H9)4P]+ (tetrabutylphosphonium), [(n-C4H9)3P(n-C14H29)]+ (tributyl (tetradecyl)phosphonium), [Bmim]+ (1- butyl-3-methylimidazolium) and [Dbmim]+ (1,2-dimethyl-3-butylimidazolium) cations were prepared and characterized, including the determination of three of the solid state structures by singlecrystal X-ray diffraction. These compounds were applied as catalysts for the epoxidation of olefins with urea hydrogen peroxide (UHP) as oxidant in the ionic liquid [Bmim]PF6. Additionally, the oxidation of sulfides to sulfoxides with hydrogen peroxide (H2O2) in several solvents was investigated. The polyoxomolybdate catalysts showed a good performance for epoxidation of olefins as well as for oxidation of sulfides. Furthermore, the catalysts can be recycled several times in oxidation reactions. We present this methodology for the oxidation reaction in a simple, economically, technically, and environmentally benign manner

Dioxomolybdenum(vi) complex immobilized on ascorbic acid coated TiO2 nanoparticles catalyzed heterogeneous oxidation of olefins and sulfides

2015 ◽  
Vol 17 (1) ◽  
pp. 442-452 ◽  
Author(s):  
Maasoumeh Jafarpour ◽  
Abdolreza Rezaeifard ◽  
Mahboube Ghahramaninezhad ◽  
Fahimeh Feizpour
Keyword(s):  
Ascorbic Acid ◽  
Tio2 Nanoparticles ◽  
Environmentally Benign ◽  
Green Solvent ◽  
Heterogeneous Oxidation ◽  
Oxidation Of Sulfides ◽  
Oxidation Of Olefins ◽  
Epoxidation Of Olefins

TiO2/AA/MoO2 nanocomplex demonstrated desired activity and selectivity in the epoxidation of olefins and oxidation of sulfides to sulfoxides using H2O2 as an environmentally benign oxidant in ethanol as a green solvent.

Fibrinolytic Activity of Cerebro-Spinal Fluid and the Development of Artificial Cerebral Haematomas in Dogs

1969 ◽  
Vol 21 (02) ◽  
pp. 294-303 ◽  
Author(s):  
H Mihara ◽  
T Fujii ◽  
S Okamoto
Keyword(s):  
Cerebrospinal Fluid ◽  
Carboxylic Acid ◽  
Fibrinolytic Activity ◽  
Clinical Implications ◽  
Trans Form ◽  
Plate Method ◽  
Blood Samples ◽  
Fibrin Plate ◽  
The Brain

SummaryBlood was injected into the brains of dogs to produce artificial haematomas, and paraffin injected to produce intracerebral paraffin masses. Cerebrospinal fluid (CSF) and peripheral blood samples were withdrawn at regular intervals and their fibrinolytic activities estimated by the fibrin plate method. Trans-form aminomethylcyclohexane-carboxylic acid (t-AMCHA) was administered to some individuals. Genera] relationships were found between changes in CSF fibrinolytic activity, area of tissue damage and survival time. t-AMCHA was clearly beneficial to those animals given a programme of administration. Tissue activator was extracted from the brain tissue after death or sacrifice for haematoma examination. The possible role of tissue activator in relation to haematoma development, and clinical implications of the results, are discussed.

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