Skip to Content
Merck
CN
All Photos(3)

Documents

662623

Sigma-Aldrich

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

95%

Sign Into View Organizational & Contract Pricing
All Photos(3)
Synonym(s):
Rh2(esp)2
Empirical Formula (Hill Notation):
C32H40O8Rh2
CAS Number:
819050-89-0
Molecular Weight:
758.47
MDL number:
MFCD08457636
UNSPSC Code:
12352300
PubChem Substance ID:
24884595
NACRES:
NA.22

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

Related Categories

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.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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

Articles

Rh2(esp)2 Catalyst

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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service