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662623

Sigma-Aldrich

Bis[rhodium(α,α,α′,α′-tetramethyl-1,3-benzenedipropionic acid)]

95%

Synonym(s):

Rh2(esp)2

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About This Item

Empirical Formula (Hill Notation):
C32H40O8Rh2
CAS Number:
819050-89-0
Molecular Weight:
758.47
MDL number:
MFCD08457636
UNSPSC Code:
12161600
PubChem Substance ID:
24884595
NACRES:
NA.22
Pricing and availability is not currently available.

Quality Level

100

Assay

95%

form

solid

reaction suitability

core: rhodium
reagent type: catalyst
reaction type: C-H Activation

mp

>300 °C

SMILES string

[Rh][Rh].CC(C)(Cc1cccc(CC(C)(C)C(O)=O)c1)C(O)=O.CC(C)(Cc2cccc(CC(C)(C)C(O)=O)c2)C(O)=O

InChI

1S/2C16H22O4.2Rh/c2*1-15(2,13(17)18)9-11-6-5-7-12(8-11)10-16(3,4)14(19)20;;/h2*5-8H,9-10H2,1-4H3,(H,17,18)(H,19,20);;

InChI key

OBMUTUNJWNQIAJ-UHFFFAOYSA-N

General description

Bis[rhodium(α,α,α′,α′-tetramethyl-1,3-benzenedipropionicacid)] has been identified as efficient C-H activation catalyst.

Application

Rh2(esp)2: An Exceptionally Efficient and Selective Catalyst for C-H Amination
Bis[rhodium(α,α,α′,α′-tetramethyl-1,3-benzenedipropionicacid)] is used as a catalyst for oxidative C−H amination of urea and guanidinederived substrates to yield corresponding heterocyclic products.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCS7425
MKCL9564
MKCJ9385
MKCG4024
MKCD6152

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Kristin Williams Fiori et al.
Journal of the American Chemical Society, 129(3), 562-568 (2007-01-18)
Reaction methodology for intermolecular C-H amination of benzylic and 3 degrees C-H bonds is described. This process uses the starting alkane as the limiting reagent, gives optically pure tetrasubstituted amines through stereospecific insertion into enantiomeric 3 degrees centers, displays high

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Rh2(esp)2 Catalyst

New! Rh2(esp)2, and exceptionally efficient and selective catalyst for C-H amination.

Rh2(esp)2 Catalyst

New! Rh2(esp)2, and exceptionally efficient and selective catalyst for C-H amination.

Rh2(esp)2 Catalyst

New! Rh2(esp)2, and exceptionally efficient and selective catalyst for C-H amination.

Rh2(esp)2 Catalyst

New! Rh2(esp)2, and exceptionally efficient and selective catalyst for C-H amination.

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