Bis[rhodium(a,a,a#,a#-tetramethyl-1,3-benzenedipropionic acid)], 96%

Base Information

• Chemical Name: Bis[rhodium(a,a,a#,a#-tetramethyl-1,3-benzenedipropionic acid)], 96%
• CAS No.: 819050-89-0
• Molecular Formula: C₃₂H₄₀O₈Rh₂
• Molecular Weight: 758.476
• Hs Code.: 28439000
• Mol file: 819050-89-0.mol

Synonyms:Rhodium,bis[m-[a,a,a',a'-tetramethyl-1,3-benzenedipropanoato(2-)-kO1,kO3':kO1',kO3]]di-, (Rh-Rh) (9CI)

Chemical Property of Bis[rhodium(a,a,a#,a#-tetramethyl-1,3-benzenedipropionic acid)], 96%

Chemical Property:

• Melting Point: >300 °C
• Boiling Point: 437oC at 760 mmHg
• Flash Point: 232.2oC
• PSA: 149.20000
• LogP: 5.98640
• Storage Temp.: Inert atmosphere,Room Temperature

Purity/Quality:

97% ^*data from raw suppliers

Bis[rhodium(α,α,α′,α′-tetramethyl-1,3-benzenedipropionic acid)] 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
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MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Bis[rhodium(a,a,a#,a#-tetramethyl-1,3-benzenedipropionic acid)], 96%

There total 8 articles about Bis[rhodium(a,a,a#,a#-tetramethyl-1,3-benzenedipropionic acid)], 96% which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

dirhodium tetraacetate + α,α,α′,α′-tetramethyl-1,3 benzenedipropionic acid (819050-88-9) → bis{rhodium[3,3'-(1,3-phenylene)bis(2,2-dimethylpropanoic acid)]} (819050-89-0)

Guidance literature:

In chlorobenzene; at 155 ℃; for 48h;

DOI:10.1021/jacs.9b09064

Reference yield: 80.0%

Rh2(esp)2(CNtBu)2 → bis{rhodium[3,3'-(1,3-phenylene)bis(2,2-dimethylpropanoic acid)]} (819050-89-0)

Guidance literature:

In toluene; at 110 ℃; for 24h;

DOI:10.1039/c5cc09236a

Reference yield: 75.0%

rhodium(III) trichloride hydrate + α,α,α′,α′-tetramethyl-1,3 benzenedipropionic acid (819050-88-9) → bis{rhodium[3,3'-(1,3-phenylene)bis(2,2-dimethylpropanoic acid)]} (819050-89-0)

Guidance literature:

With ethanol; lithium carbonate; for 4h; Reagent/catalyst; Reflux;

upstream raw materials:

α,α,α′,α′-tetramethyl-1,3 benzenedipropionic acid

3-(chloromethyl)benzyl chloride

Refernces

Rh₂(esp)₂-catalyzed allylic and benzylic oxidations

10.1039/c4cc10336j

The research focuses on the development of a selective and efficient method for allylic and benzylic oxidations using the dirhodium(II) catalyst Rh2(esp)2. The purpose of this study was to find a more potent catalyst that enables these transformations under practical and environmentally friendly conditions. The researchers discovered that Rh2(esp)2 allows for direct solvent-free allylic and benzylic oxidations using tert-butyl hydroperoxide (T-HYDRO) with remarkably low catalyst loadings, high conversion rates, and excellent regioselectivity. The process was found to be operationally simple, scalable at ambient temperature, and did not require any additives. The high catalyst stability was attributed to the dirhodium(II,II) catalyst resting state, which is less prone to decomposition.

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