Rhodium(II) acetate

Base Information

• Chemical Name: Rhodium(II) acetate
• CAS No.: 5503-41-3
• Molecular Formula: C2H4 O2 . 1/2 Rh
• Molecular Weight: 223.03
• European Community (EC) Number: 255-707-9,226-843-6,240-084-8
• DSSTox Substance ID: DTXSID30203567
• Nikkaji Number: J74.789K
• Wikipedia: Rhodium(II)_acetate
• Mol file: 5503-41-3.mol

Synonyms:Rhodium(II) acetate;5503-41-3;aceticacid,rhodium(2+)salt;Rhodium (II) acetate;rhodium(2+);diacetate;Rhodium diacetate;Acetic acid, rhodium(2+) salt;Rh-110;EINECS 226-843-6;15956-28-2;C2H4O2.xRh;C2-H4-O2.x-Rh;diacetoxyrhodium;rhodium(II)acetate;Rhodium (II) acetate dimer dihydrate;rhodium(II)diacetate;2-(2-Methylbenzoyl)hydrazinecarbothioamide;-rhodium(2+) diacetate;42204-14-8;C4H6O4Rh;SCHEMBL196205;Acetic acid, rhodium(2) salt;Diacetic acid rhodium(II) salt;C2H4O2.1/2Rh;DTXSID30203567;ITDJKCJYYAQMRO-UHFFFAOYSA-L;C2-H4-O2.1/2Rh;TETRAKIS(ACETO)DIRHODIUM(II);AKOS015892709;FT-0658751

Chemical Property of Rhodium(II) acetate

Chemical Property:

• Boiling Point: 117.1°Cat760mmHg
• Flash Point: 40°C
• PSA: 80.26000
• Density: g/cm³
• LogP: -2.48760
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 220.93210
• Heavy Atom Count: 9
• Complexity: 25.5

Purity/Quality:

95% ^*data from raw suppliers

Rhodium (II) acetate dimer dihydrate ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/38
• Safety Statements: 37/39-28A-26-15

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Metals -> Organic Acids, Metal Salts
• Canonical SMILES: CC(=O)[O-].CC(=O)[O-].[Rh+2]

Refernces

Rhodium carbenoid induced cycloadditions of diazo ketoimides across indolyl π-bonds

10.1055/s-2007-967982

The research focuses on the rhodium carbenoid induced cycloadditions of diazo ketoimides across indolyl p-bonds. The experiments involve the preparation of a series of diazo ketoimides from (1H-indol-3yl)acetyl chloride and alkyl 2-diazo-3-(3-substituted-2-oxopiperidin-3-yl)-3-oxopropanoates, which are then treated with rhodium(II) acetate. The key reaction is the attack of the imido carbonyl oxygen at the rhodium carbenoid center, leading to the formation of a transient push–pull carbonyl ylide dipole. This dipole undergoes an intramolecular dipolar cycloaddition across the indole p-bond, resulting in the formation of cycloadducts. The study explores the influence of substituents on the dipole's approach to the indole ring, with a focus on endo- and exo-cycloaddition products. The experiments utilize techniques such as X-ray crystal structure analysis for stereochemical assignments and involve the use of reagents like Lawesson's reagent and Raney-Ni for reduction steps. The analyses include infrared spectroscopy (IR) and nuclear magnetic resonance (NMR) to characterize the synthesized compounds.

Reactions of macrocyclic rhodium carbenoids: regioselective synthesis of indol-3-yl macrocyclic lactones and cryptands

10.1016/j.tetlet.2007.11.102

The research focuses on the synthesis and reactions of macrocyclic rhodium carbenoids, specifically targeting the regioselective synthesis of indol-3-yl macrocyclic lactones and cryptands. The experiments involved the preparation of a variety of macrocyclic diazocarbonyl compounds with different spacers, which were then reacted with rhodium(II) carbenoids generated from α-diazocarbonyl compounds and rhodium(II) carboxylates. This approach led to the formation of C–C bonds and the production of indol-3-yl macrocyclic di- or tetralactones through regioselective intermolecular alkylation/insertion. The study also explored double carbenoid insertion to synthesize indolyl cryptand molecules. The reactants included macrocyclic diazocarbonyl compounds, various substituted indoles, and rhodium(II) acetate as a catalyst. Analytical techniques such as nuclear magnetic resonance (NMR) spectroscopy and high-resolution mass spectrometry (HRMS) were employed to characterize the synthesized compounds, confirming the structure and purity of the products.

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