(S)-(−)-3,3′-Dibromo-5,5′,6,6′,7,7′,8,8′-octahydro-1,1′-bi-2,2′-naphthalenediol
(S)-(−)-3,3′-Dibromo-5,5′,6,6′,7,7′,8,8′-octahydro-1,1′-bi-2,2′-naphthalenediol (CAS 765278-73-7) is a chiral BINOL derivative with the molecular formula C20H20Br2O2 and a molecular weight of 452.18 g/mol. This compound is primarily utilised in asymmetric synthesis as a chiral ligand or catalyst. Its stereochemical properties make it valuable for enantioselective transformations in organic chemistry, contributing to the synthesis of complex chiral molecules.
- Synonyms
- 6,6′,7,7′,8,8′-octahydro-1,1′-bi-2,2′-naphthalenediolC20H20Br2O2
Asymmetric Catalysis
This BINOL derivative serves as a chiral ligand in metal-catalysed asymmetric reactions. It facilitates enantioselective transformations, crucial for producing chiral compounds with high optical purity.
Chiral Auxiliary
It can be employed as a chiral auxiliary in stereoselective synthesis. By temporarily attaching to a substrate, it directs the stereochemical outcome of subsequent reactions.
Ligand Development
The compound is used in the development of novel chiral catalysts. Its unique steric and electronic properties can be tuned for specific catalytic applications in organic synthesis.
| Molecular weight | 452.18 |
|---|---|
| Empirical formula | C20H20Br2O2 |
| Assay | 97% |
| Optical activity | [α]20/D −53°, c = 1 in THF |
| Melting point | 145.5-148.5 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 (S)-(−)-3,3′-Dibromo-5,5′,6,6′,7,7′,8,8′-octahydro-1,1′-bi-2,2′-naphthalenediol used for?
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This compound is primarily used in asymmetric synthesis, particularly as a chiral ligand or catalyst for enantioselective transformations in organic chemistry.
What are the CAS number and formula for this chemical?
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The CAS number is 765278-73-7 and the empirical formula is C20H20Br2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. It is typically considered a research or technical grade material and is not represented as USP, BP, or EP grade.
What are the safety and handling precautions for this chemical?
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This compound is classified as a Warning. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). When handling, wear a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions carefully packs chemicals to maintain integrity during transport. We are experienced global suppliers and exporters of fine chemicals, pharmaceutical intermediates, and laboratory reagents.
How can I request a sample or a quote?
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To request a sample or a quote for (S)-(−)-3,3′-Dibromo-5,5′,6,6′,7,7′,8,8′-octahydro-1,1′-bi-2,2′-naphthalenediol, please visit our website or contact our sales department directly.
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