(1R,aR)-3-Diphenylphosphino-2-(4-bis(3,5-dimethylphenyl)phosphino-2,5-dimethyl-3-thienyl)-1,7,7-trimethylbicyclo[2.2.1]hept-2-ene
(1R,aR)-3-Diphenylphosphino-2-(4-bis(3,5-dimethylphenyl)phosphino-2,5-dimethyl-3-thienyl)-1,7,7-trimethylbicyclo[2.2.1]hept-2-ene (CAS 868851-50-7) is a complex chiral phosphine ligand with the empirical formula C44H48P2S and a molecular weight of 670.86. This high-purity compound is instrumental in asymmetric synthesis, serving as a privileged ligand for catalysing challenging transformations where stereochemical control is paramount. It is a key reagent for advanced chemical synthesis.
- IUPAC
- 3-[Bis(3,5-dimethylphenyl)phosphanyl]-4-[(1R,4S)-3-diphenylphosphanyl-1,7,7-trimethylbicyclo[2.2.1]hept-2-en-2-yl]-2,5-dimethylthiophene,catASium® T3(R)
- Synonyms
- 5-dimethyl-3-thienyl)-1,7,7-trimethylbicyclo[2.2.1]hept-2-ene,868851-50-7, C44H48P2S, 3-[Bis(3,5-dimethylphenyl)phosphanyl]-4-[(1R,4S)-3-diphenylphosphanyl-1,7,7-trimethylbicyclo[2.2.1]hept-2-en-2-yl]-2,5-dimethylthiophene,catASium® T3(R)
![(1R,aR)-3-Diphenylphosphino-2-(4-bis(3,5-dimethylphenyl)phosphino-2,5-dimethyl-3-thienyl)-1,7,7-trimethylbicyclo[2.2.1]hept-2-ene (C44H48P2S) — chemical structure, CAS 868851-50-7; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F868851-50-7.png&w=3840&q=75)
Asymmetric Hydrogenation Catalysis
This ligand is a component of catalysts essential for asymmetric hydrogenation reactions. It facilitates the stereoselective reduction of unsaturated substrates, a critical step in the synthesis of enantiomerically pure pharmaceuticals and fine chemicals.
Chiral Ligand in Organometallic Chemistry
As a chiral phosphine ligand, it coordinates with transition metals to form active catalytic species. Its unique structure enables high enantioselectivity and efficiency in various catalytic processes, including cross-coupling reactions and hydrogenations.
Advanced Chemical Synthesis
The compound serves as a valuable building block and catalyst component in complex organic synthesis. Its application is crucial for researchers and manufacturers requiring precise control over stereochemistry in multi-step syntheses.
| Molecular weight | 670.86 |
|---|---|
| Empirical formula | C44H48P2S |
| Assay | ≥99% (31P-NMR)99% |
| Application | Essential Elements for Asymmetric Hydrogenations |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (1R,aR)-3-Diphenylphosphino-2-(4-bis(3,5-dimethylphenyl)phosphino-2,5-dimethyl-3-thienyl)-1,7,7-trimethylbicyclo[2.2.1]hept-2-ene used for?
+
This compound is primarily used as a chiral phosphine ligand in asymmetric synthesis, particularly for catalysing asymmetric hydrogenations and other stereoselective transformations in organometallic chemistry.
What is the CAS number and formula for this chemical?
+
The CAS number is 868851-50-7. The empirical formula (Hill Notation) is C44H48P2S.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this product with an assay of ≥99% (31P-NMR) and 99% purity. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling precautions for this chemical?
+
Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. This substance is classified under WGK 2 in Germany, indicating it is hazardous to water.
How is this chemical packed, shipped, and exported?
+
Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. We adhere to strict international regulations for the packing, shipping, and exporting of chemical products to ensure safe and compliant delivery worldwide.
How can I request a sample or quote for this product?
+
To request a sample or quote, please visit the Tech Serve Solutions website or contact our sales team directly. Provide the product name and CAS number (868851-50-7) for prompt service.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis