209058
Rhodium(II) acetate dimer
≥97%, powder
Synonym(s):
Rh2(OAc)4, Dirhodium tetraacetate, Tetrakis(acetato)dirhodium(II)
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About This Item
Linear Formula:
Rh2(OOCCH3)4
CAS Number:
Molecular Weight:
441.99
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12161600
EC Number:
240-084-8
MDL number:
InChI key
SYBXSZMNKDOUCA-UHFFFAOYSA-J
InChI
1S/4C2H4O2.2Rh/c4*1-2(3)4;;/h4*1H3,(H,3,4);;/q;;;;2*+2/p-4
SMILES string
CC(=O)O[Rh]OC(C)=O.CC(=O)O[Rh]OC(C)=O
Quality Level
assay
≥97%
form
powder
reaction suitability
core: rhodium, reagent type: catalyst
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General description
Rhodium(II) acetate dimer is an effective catalyst for carbenoid reactions, hydrocarbon oxidation, hydroboration, and nitrene reactions.
Application
Effective catalyst for ylide formation.
Homogeneous catalyst.
Used in an efficient synthesis of β-hydroxy-α-arylacrylates involving the decomposition of diazoetster intermediates with concomitant 1,2-arylmigration.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Sugimura, T.; Mori, A.
Tetrahedron Asymmetry, 14, 881-881 (2003)
Aldrichimica Acta, 15, 13-13 (1982)
Dirhodium(II) Tetraacetate
Michael P, et al.
eEROS (Encyclopedia of Reagents for Organic Synthesis) (2001)
Zhaohui Qu et al.
The Journal of organic chemistry, 69(1), 217-219 (2004-01-03)
The relative rate constants for the Rh(II)-catalyzed insertion of diazoacetone into the O-H bond have been measured through intermolecular competitions. The kinetic data were subjected to Hammett correlation analysis, and mechanistic implication of the results with respect to a stepwise
Catalytic enantioselective C-H activation by means of metal-carbenoid-induced C-H insertion.
Huw M L Davies et al.
Chemical reviews, 103(8), 2861-2904 (2003-08-14)
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