Description

Tetrakis[(R)-(-)-[(1R)-1-(4-Bromophenyl)-2,2-Diphenylcyclopropanecarboxylato]Dirhodium(II) Rh2(R-Btpcp)4 is a highly specialized chiral dirhodium(II) carboxylate catalyst, distinguished by its unique cyclopropane-based bridging ligand. This compound matters for its exceptional ability to facilitate highly enantioselective transformations, offering chemists a powerful tool for constructing complex chiral molecules with precise stereocontrol. It is primarily needed by research and development teams in the pharmaceutical and fine chemical industries for advanced asymmetric synthesis, including cyclopropanation, C-H insertion, and other carbenoid transfer reactions.

Application

• Asymmetric Cyclopropanation: Enantioselective synthesis of chiral cyclopropane rings, key structural motifs in many active pharmaceutical ingredients (APIs) and agrochemicals.
• C-H Functionalization: Catalyzing selective insertion of carbenoids into C-H bonds for the streamlined construction of complex molecular architectures.
• Pharmaceutical Intermediate Synthesis: Production of high-value chiral intermediates for drug discovery and development programs.
• Fine Chemical Manufacturing: Enabling the synthesis of enantiomerically pure specialty chemicals for advanced materials and electronics.
• Methodology Development: Serving as a critical reagent in academic and industrial research for developing new catalytic asymmetric reactions.
• Process Chemistry Optimization: Scaling up enantioselective routes for more efficient and sustainable manufacturing processes.

Basic Information

Product Name	Tetrakis[(R)-(-)-[(1R)-1-(4-Bromophenyl)-2,2-Diphenylcyclopropanecarboxylato]Dirhodium(II)
CAS No.	1345974-62-0
Molecular Formula	C100H68Br4O8Rh2
Molecular Weight	~1865.6 g/mol
Synonyms	Rh2(R-Btpcp)4; Dirhodium(II) Tetrakis[(R)-(-)-1-(4-Bromophenyl)-2,2-diphenylcyclopropanecarboxylate]; Rh2(R-BTPCP)4; (R)-(-)-Btpcp Dirhodium Catalyst; Chiral Dirhodium(II) Carboxylate Catalyst; Dirhodium(II) Tetrakis[(1R)-1-(4-Bromophenyl)-2,2-diphenylcyclopropanecarboxylate]; Rh2(S-BTPCP)4 Enantiomer (related); Dirhodium Tetra(cyclopropanecarboxylate) Catalyst
EINECS	Contact for details

Quality Control

Every batch of our chiral dirhodium catalysts is produced and tested under strict quality management protocols to ensure exceptional purity and catalytic performance. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as enantiomeric excess (ee), Rh content, and spectroscopic identity. Our quality commitment aligns with the stringent requirements of GMP and ISO standards for advanced chemical synthesis, ensuring reliability for your most critical research and scale-up projects.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., argon or nitrogen) at 2-8°C in a dry, cool place. This compound is moisture-sensitive and easily oxidized; prolonged exposure to air, light, or ambient humidity should be avoided to maintain catalytic activity and purity.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Rhodium Content	10.5 - 11.5 %
Specific Rotation [α]	Contact for details
Solubility	Soluble in chlorinated and aromatic solvents
Heavy Metals	< 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.