Skip to Content
Merck
All Photos(1)

Key Documents

661058

Sigma-Aldrich

Methoxy(cyclooctadiene)rhodium(I) dimer

Synonym(s):

[Rh(OMe)(1,5-cod)]2

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C18H30O2Rh2
CAS Number:
Molecular Weight:
484.24
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

form

solid

Quality Level

reaction suitability

core: rhodium
reagent type: catalyst

mp

192-225 °C

storage temp.

−20°C

SMILES string

CO[Rh].CO[Rh].C1CC=CCCC=C1.C2CC=CCCC=C2

InChI

1S/2C8H12.2CH3O.2Rh/c2*1-2-4-6-8-7-5-3-1;2*1-2;;/h2*1-2,7-8H,3-6H2;2*1H3;;/q;;2*-1;2*+1/b2*2-1-,8-7-;;;;

InChI key

BDQMDBOKWREKIT-MIXQCLKLSA-N

Application

Precursor for organorhodium(I) species, catalyst for cascade1,4-addition-aldol reaction, 1,4-addition of alcohols, and hydroformylation
Rhodium catalyst employed in the cyclization of cyano-substituted unsaturated esters in the presence of aryl 9-BBN leading to 5- and 6-membered β-enamino esters.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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

Kazuhiro Yoshida et al.
Journal of the American Chemical Society, 124(37), 10984-10985 (2002-09-13)
The reaction of 9-aryl-9-borabicyclo[3.3.1]nonanes (B-Ar-9BBN) with alpha,beta-unsaturated ketones and aldehydes in the presence of 3 mol % [Rh(OMe)(cod)](2) in toluene at 20 degrees C for 2 h gave high yields of the tandem 1,4-addition-aldol reaction products with high syn selectivity.
Tomoya Miura et al.
Organic letters, 9(5), 741-743 (2007-02-08)
[reaction: see text] Unsaturated esters possessing a pendent cyano moiety react with B-Ar-9-BBNs in the presence of a rhodium(I) catalyst to give the five- and six-membered beta-enamino esters in good yield. An (oxa-pi-allyl)rhodium(I) intermediate, formed by initial conjugate addition of
Farnworth, M. V.; Cross, M. J.; Louie, J.
Tetrahedron Letters, 45, 7441-7441 (2004)

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