661058
Methoxy(cyclooctadiene)rhodium(I) dimer
Synonym(s):
[Rh(OMe)(1,5-cod)]2
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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
Related Categories
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.
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
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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)
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.
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