(R,R)-1,3-Bis-(4-bromobenzyl)-2-chlorooctahydro-2-(2Z)-crotyl-1H-1,3,2-benzodiazasilole
(R,R)-1,3-Bis-(4-bromobenzyl)-2-chlorooctahydro-2-(2Z)-crotyl-1H-1,3,2-benzodiazasilole (CAS: 804559-38-4) is a complex organosilicon compound with the molecular formula C24H29Br2ClN2Si and a molecular weight of 568.85. This chiral molecule is primarily utilised in asymmetric synthesis and as a specialised reagent in chemical synthesis. Its unique structure makes it valuable for researchers developing novel catalytic systems and complex organic molecules.
- IUPAC
- (3aR,7aR)-1,3-Bis[(4-bromophenyl)methyl]-2-(2Z)-2-buten-1-yl-2-chlorooctahydro-1H-1,3,2-benzodiazasilole
- Synonyms
- 3,2-benzodiazasiloleC24H29Br2ClN2Si(3aR,7aR)-1,3-Bis[(4-bromophenyl)methyl]-2-(2Z)-2-buten-1-yl-2-chlorooctahydro-1H-1,3,2-benzodiazasilole

Asymmetric Synthesis
This compound serves as a key chiral building block or catalyst in asymmetric synthesis. It enables the stereoselective formation of chiral centres, crucial for producing enantiomerically pure compounds in pharmaceuticals and fine chemicals.
Chiral Ligand Development
It can be employed in the development and application of chiral ligands for transition metal catalysis. Such ligands are essential for controlling the stereochemical outcome of various organic transformations.
Organic Synthesis Reagent
As a specialised reagent, it facilitates specific chemical transformations in multi-step organic syntheses. Its defined stereochemistry and functional groups allow for precise molecular construction.
Crotylation Reactions
The compound is specifically noted for its role in crotylation reactions, contributing to the stereoselective introduction of crotyl groups in organic molecules.
| Molecular weight | 568.85 |
|---|---|
| Empirical formula | C24H29Br2ClN2Si |
| Assay | 97% |
| Melting point | 63-68 °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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37 |
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 (R,R)-1,3-Bis-(4-bromobenzyl)-2-chlorooctahydro-2-(2Z)-crotyl-1H-1,3,2-benzodiazasilole used for?
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This compound is primarily used in asymmetric synthesis, as a chiral catalyst or ligand, and as a specialised reagent in organic synthesis, particularly noted for its utility in crotylation reactions.
What is the CAS number and molecular formula for this compound?
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The CAS number is 804559-38-4, and the molecular formula is C24H29Br2ClN2Si.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at an assay of 97%. It is supplied as a research-grade chemical and is not intended for USP, BP, EP, or any pharmacopoeia, food, or nutraceutical use.
How should (R,R)-1,3-Bis-(4-bromobenzyl)-2-chlorooctahydro-2-(2Z)-crotyl-1H-1,3,2-benzodiazasilole be handled?
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This compound is classified as a Warning with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice.
Is this compound a controlled substance?
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Based on the provided data, there is no indication that this compound is a controlled substance.
How is this chemical packed and exported?
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Tech Serve Solutions ensures secure and compliant packing for domestic and international shipments, adhering to all relevant export regulations for fine chemicals.
How can I request a sample or quote?
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Please contact our sales team via the website or direct email to request a sample or a formal quotation for this product.
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