(–)-9-(1R,2R-Pseudoephedrinyl)-(10S)-(trimethylsilyl)-9-borabicyclo[3.3.2]decane
(–)-9-(1R,2R-Pseudoephedrinyl)-(10S)-(trimethylsilyl)-9-borabicyclo[3.3.2]decane (CAS: 856676-11-4) is a chiral organoborane reagent with a molecular weight of 371.44 g/mol. This air-stable, crystalline compound is instrumental in asymmetric synthesis, particularly for generating chiral alcohols. It is widely employed in allylation and propargylation reactions, facilitating the formation of complex organic molecules with high enantioselectivity.
- Synonyms
- C22H38BNOSi
![(–)-9-(1R,2R-Pseudoephedrinyl)-(10S)-(trimethylsilyl)-9-borabicyclo[3.3.2]decane (C22H38BNOSi) — chemical structure, CAS 856676-11-4; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F856676-11-4.png&w=3840&q=75)
Asymmetric Allylation
Facilitates the enantioselective synthesis of homoallylic alcohols from aldehydes and ketones. This reaction is crucial for building complex carbon frameworks.
Asymmetric Propargylation
Enables the stereoselective preparation of homopropargylic alcohols, expanding the utility in synthetic organic chemistry.
Synthesis of Chiral Alcohols
Serves as a key reagent for accessing chiral carbinols, including α-allenyl carbinols, which are valuable intermediates in pharmaceutical and fine chemical synthesis.
| Molecular weight | 371.44 |
|---|---|
| Empirical formula | C22H38BNOSi |
| Application | Air-stable, crystalline pseudoephedrine borinic acid complex which when treated with an appropriate Grignard reagent provides access to homoallylic or homopropargylic alcohols and α-allenyl carbinols.1,2,3 |
| Melting point | 135-148 °C |

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 |
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 (–)-9-(1R,2R-Pseudoephedrinyl)-(10S)-(trimethylsilyl)-9-borabicyclo[3.3.2]decane used for?
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This compound is primarily used in asymmetric synthesis for the enantioselective preparation of homoallylic alcohols, homopropargylic alcohols, and α-allenyl carbinols.
What are the CAS number and formula for this chemical?
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The CAS number is 856676-11-4, and the empirical formula is C22H38BNOSi.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical as a research-grade material. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should (–)-9-(1R,2R-Pseudoephedrinyl)-(10S)-(trimethylsilyl)-9-borabicyclo[3.3.2]decane be handled?
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This compound is a warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It is recommended to use a dust mask type N95 (US), wear eyeshields, and gloves during handling. Ensure good ventilation.
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals and laboratory reagents, including this product.
How can I request a sample or quote?
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Please contact our sales team through the website or by phone to request a sample or a quotation for this product.
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