(S,S)-DACH-naphthyl Trost Ligand
(S,S)-DACH-naphthyl Trost Ligand (CAS: 205495-66-5) is a chiral diphosphine ligand with the molecular formula C52H44N2O2P2 and a molecular weight of 790.87 g/mol. This high-purity (95%) compound is a valuable tool in asymmetric synthesis, particularly for catalysing allylic alkylation reactions. Its stereochemical properties make it instrumental in creating enantiomerically enriched products, a critical aspect in pharmaceutical and fine chemical manufacturing.
- IUPAC
- (1S,2S)-(–)-1,2-Diaminocyclohexane-N,N′-bis(2-diphenylphosphino-1-naphthoyl)
- Synonyms
- C52H44N2O2P2

Asymmetric Allylic Alkylation
Serves as a key ligand in palladium-catalysed asymmetric allylic alkylation reactions. This application is crucial for the stereoselective formation of carbon-carbon bonds.
Chiral Catalyst Component
Utilised as a component in chiral catalyst systems designed for enantioselective transformations. Its specific stereochemistry guides the reaction pathway to favour a particular enantiomer.
Fine Chemical Synthesis
Employed in the synthesis of complex organic molecules where precise control over stereochemistry is paramount. It facilitates the creation of chiral building blocks for advanced materials.
| Molecular weight | 790.87 |
|---|---|
| Empirical formula | C52H44N2O2P2 |
| Assay | 95% |
| Optical activity | [α]20/D -66.0°, c = 1 in methanol |
| Application | Asymmetric allylic alkylation ligand.1,2,3,4 |
| Melting point | 232-237 °C |
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 (S,S)-DACH-naphthyl Trost Ligand used for?
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This ligand is primarily used as a chiral auxiliary in asymmetric allylic alkylation reactions and as a component in chiral catalyst systems for enantioselective synthesis.
What are the CAS number and molecular formula for (S,S)-DACH-naphthyl Trost Ligand?
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The CAS number is 205495-66-5 and the molecular formula is C52H44N2O2P2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S,S)-DACH-naphthyl Trost Ligand with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should (S,S)-DACH-naphthyl Trost Ligand be handled and stored?
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This compound has a WGK of 3, indicating it is hazardous to water. Handle with appropriate personal protective equipment in a well-ventilated area and store in a cool, dry place away from incompatible materials. Consult the Safety Data Sheet for detailed handling procedures.
Is (S,S)-DACH-naphthyl Trost Ligand a controlled substance?
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The provided data does not indicate that (S,S)-DACH-naphthyl Trost Ligand is a controlled substance.
How can I request a quote or sample of (S,S)-DACH-naphthyl Trost Ligand?
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Please contact our sales team or use the online request form on our website to inquire about quotes or to request a sample of (S,S)-DACH-naphthyl Trost Ligand.
How is (S,S)-DACH-naphthyl Trost Ligand packed, shipped, and exported?
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Tech Serve Solutions adheres to all relevant regulations for packing, shipping, and exporting fine chemicals, ensuring safe and compliant delivery worldwide. Specific packaging details are available upon request.
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