(4R,5S)-(+)-cis-4,5-Diphenyl-2-oxazolidinone
(4R,5S)-(+)-cis-4,5-Diphenyl-2-oxazolidinone (CAS: 86286-50-2) is a chiral auxiliary with the molecular formula C15H13NO2 and a molecular weight of 239.27 g/mol. This compound is a key reagent in asymmetric synthesis, enabling the stereoselective formation of chiral molecules. Its rigid structure and specific stereochemistry make it valuable for controlling stereochemical outcomes in a variety of organic transformations. Supplied at 98% purity, it is an essential tool for advanced chemical synthesis.
- Synonyms
- 86286-50-2, C15H13NO2

Asymmetric Synthesis
Utilised as a versatile chiral auxiliary to direct stereoselective reactions. It facilitates the synthesis of enantiomerically enriched compounds, which are crucial in pharmaceutical and fine chemical industries.
Chiral Auxiliaries
Serves as a reliable chiral auxiliary, enabling control over the stereochemical course of reactions such as alkylations, aldol reactions, and Diels-Alder cycloadditions.
Organic Synthesis
An important building block and reagent in complex organic synthesis, aiding in the construction of chiral centres with high fidelity. Its application is documented in leading chemical literature.
| Molecular weight | 239.27 |
|---|---|
| Empirical formula | C15H13NO2 |
| Assay | 98% |
| Optical activity | [α]20/D 57±4°, c = 2 in methanol |
| Application | Versatile chiral auxiliary for asymmetric synthesis. For a recent review, see Aldrichimica Acta .1 |
| Melting point | 227-230 °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 (4R,5S)-(+)-cis-4,5-Diphenyl-2-oxazolidinone primarily used for?
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This compound is primarily used as a versatile chiral auxiliary in asymmetric synthesis to control stereochemical outcomes in organic reactions.
What are the CAS number and formula for (4R,5S)-(+)-cis-4,5-Diphenyl-2-oxazolidinone?
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The CAS number is 86286-50-2, and the molecular formula is C15H13NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (4R,5S)-(+)-cis-4,5-Diphenyl-2-oxazolidinone with an assay of 98%. This product is intended for research and chemical synthesis purposes and is not supplied as USP, BP, EP, or pharmacopoeia grade.
How should (4R,5S)-(+)-cis-4,5-Diphenyl-2-oxazolidinone be handled?
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This compound is classified as a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
Is this chemical packed and shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and we can facilitate the export of (4R,5S)-(+)-cis-4,5-Diphenyl-2-oxazolidinone worldwide.
How can I request a sample or a quote?
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To request a sample or obtain a quote for (4R,5S)-(+)-cis-4,5-Diphenyl-2-oxazolidinone, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
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