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CAS RN: 15956-28-2 | Product Number: R0069

Rhodium(II) Acetate Dimer


Purity:
Synonyms:
  • Dirhodium(II) Tetraacetate
  • Tetrakis(acetato)dirhodium(II)
Documents:
100MG
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1G
€256.00
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Product Number R0069
Molecular Formula / Molecular Weight C__8H__1__2O__8Rh__2 = 441.99  
Physical State (20 deg.C) Solid
CAS RN 15956-28-2
Reaxys Registry Number 14201302
PubChem Substance ID 87575627
MDL Number

MFCD00003538

Specifications
Appearance Green to Dark green powder to crystal
Elemental analysis(Carbon) 20.50 to 22.70 %
Properties (reference)
Melting Point 240 °C
GHS
Related Laws:
EC Number 240-084-8
RTECS# VI9361000
Transport Information:
HS Number 2843909000
Application
One-pot Synthesis of Pyrroles from Terminal Alkynes, N-Sulfonyl Azides, and Alkenyl Alkyl Ethers

C2312,R0069

Typical Procedure:
Alkyne (0.2 mmol), TsN3 (1.0 eq.), alkenyl alkyl ether (3.0 eq.), CuTC (10.0 mol%), Rh2(OAc)4 (1.0 mol%), and DCE (0.2 M) are added to an oven-dried test tube under nitrogen atmosphere. The reaction mixture is stirred at ambient temperature for 3 h and then, heated at 80 °C for 4–13 h. After the reaction mixture is filtered through short path of celite with CH2Cl2, the filtrate is concentrated under reduced pressure. The residue is purified by silica gel column chromatography (ethyl acetate–hexane) to give pyrrole derivatives (Y. 65–81%).

References


Application
Highly Diastereoselective Synthesis of Fully Substituted Tetrahydrofurans

Typical Procedure: A flask is charged with allyl alcohol (0.10 mmol, 1.0 eq.), Rh2(OAc)4 (2.0 mol%) and 4A MS (0.1 g) in toluene (1.5 mL), the reaction mixture is stirred at 45℃, and a solution of the diazo compound (0.20 mmol) in toluene (0.5 mL) is added to the reaction mixture over a period of 1 h through a syringe pump. After completion of the addition, piperidine (2.0 eq.) is added and the reaction mixture is stirred for additional 5-10 h (reaction completion is monitored by TLC) at 45℃. The reaction mixture is purified by flash chromatography on silica gel (EtOAc : light petroleum ether = 1 : 50 to 1 : 20) to give the pure product.

References


PubMed Literature


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