658685
Os EnCat® 40
extent of labeling: 0.3 mmol/g Os loading
Synonyme(s) :
Osmium oxide, Osmium tetroxide, microencapsulated
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A propos de cet article
Formule empirique (notation de Hill) :
OsO4
Numéro CAS:
Poids moléculaire :
254.23
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12161600
MDL number:
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reaction suitability
core: osmium, reagent type: catalyst, reagent type: oxidant
extent of labeling
0.3 mmol/g Os loading
SMILES string
O=[Os](=O)(=O)=O
InChI
1S/4O.Os
InChI key
VUVGYHUDAICLFK-UHFFFAOYSA-N
General description
The product is osmium tetroxide encapsulated within a porous cross-linked polyurea matrix.
Application
Os EnCat® 40 in the presence of a secondary oxidant can transform alkyl and aryl olefins to their corresponding diols via dihydroxylation reaction.
Features and Benefits
Encapsulated OsO4 catalyst offers safety and handling advantages over conventional OsO4.
Legal Information
Os EnCat® technology.
EnCat is a registered trademark of Reaxa Ltd.
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Danger
hcodes
Hazard Classifications
Acute Tox. 2 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B
supp_hazards
Classe de stockage
4.1B - Flammable solid hazardous materials
wgk
WGK 3
ppe
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
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Steven V Ley et al.
Organic letters, 5(2), 185-187 (2003-01-17)
[reaction: see text] Osmium tetroxide has been microencapsulated in a polyurea matrix using an in situ interfacial polymerization approach. These microcapsules have been effectively used as recoverable and reusable catalysts in the dihydroxylation of olefins
OsO4·streptavidin: a tunable hybrid catalyst for the enantioselective cis-dihydroxylation of olefins.
Valentin Köhler et al.
Angewandte Chemie (International ed. in English), 50(46), 10863-10866 (2011-09-29)
Yukihiko Sugita et al.
The Journal of general virology, 92(Pt 11), 2485-2493 (2011-07-29)
Negatively stained influenza virions sometimes show irregular morphology and are often referred to as pleomorphic. However, this irregular morphology has not been visualized when ultrathin-section transmission and scanning electron microscopies are used. This study focused on the effects of ultracentrifugation