(1R,2R)-(+)-1,2-Diphenylethylenediamine
(1R,2R)-(+)-1,2-Diphenylethylenediamine (CAS: 35132-20-8) is a chiral diamine with a molecular weight of 212.29 g/mol. This compound serves as a valuable building block in asymmetric synthesis and organic chemistry. Its specific stereochemistry makes it particularly useful for creating chiral auxiliaries and ligands, enabling enantioselective transformations critical in pharmaceutical and fine chemical manufacturing. It is supplied with an assay of 97%.
- IUPAC
- (1R,2R)-(+)-1,2-Diamino-1,2-diphenylethane
- Synonyms
- 35132-20-8, [C6H5CH(NH2)-]2, (1R,2R)-(+)-1,2-Diamino-1,2-diphenylethane
![(1R,2R)-(+)-1,2-Diphenylethylenediamine ([C6H5CH(NH2)-]2) — chemical structure, CAS 35132-20-8; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F35132-20-8.png&w=3840&q=75)
Asymmetric Synthesis
As a chiral diamine, (1R,2R)-(+)-1,2-Diphenylethylenediamine is employed as a chiral auxiliary or ligand precursor in enantioselective reactions. It facilitates the synthesis of enantiomerically pure compounds, which are vital in the pharmaceutical industry.
Chiral Ligand Synthesis
This compound is a key intermediate for synthesizing sophisticated chiral ligands used in asymmetric catalysis. These ligands can coordinate with transition metals to promote highly selective chemical transformations.
Organic Building Block
Its defined stereochemistry and reactive amine groups make it a versatile building block for constructing complex organic molecules. It is utilized in research and development for novel compound synthesis.
| Molecular weight | 212.29 |
|---|---|
| Linear formula | [C6H5CH(NH2)-]2 |
| Assay | 97% |
| Optical activity | [α]20/D +102°, c = 1 in ethanol |
| Optical purity | ee: 99% (GLC) |
| Melting point | 79-83 °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 (1R,2R)-(+)-1,2-Diphenylethylenediamine used for?
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(1R,2R)-(+)-1,2-Diphenylethylenediamine is primarily used in asymmetric synthesis as a chiral building block for creating chiral auxiliaries and ligands, which are essential for enantioselective reactions in pharmaceutical and fine chemical production.
What is the CAS number and chemical formula for (1R,2R)-(+)-1,2-Diphenylethylenediamine?
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The CAS number is 35132-20-8 and its linear formula is [C₆H₅CH(NH₂)-]₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (1R,2R)-(+)-1,2-Diphenylethylenediamine with an assay of 97% and optical purity of ee: 99%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for this chemical?
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This compound is a Warning (GHS07) substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be worn. Handle in a well-ventilated area and avoid breathing dust.
How is (1R,2R)-(+)-1,2-Diphenylethylenediamine packed, shipped, and exported?
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Tech Serve Solutions offers flexible packaging options suitable for laboratory and industrial needs. We are experienced in exporting fine chemicals globally, adhering to all international shipping regulations.
How can I request a sample or a quote for (1R,2R)-(+)-1,2-Diphenylethylenediamine?
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To request a sample or a quote, please use the contact form on our website or contact our sales team directly. Please specify the quantity required and your shipping destination.
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