(R)-(+)-5,5-Diphenyl-4-benzyl-2-oxazolidinone
(R)-(+)-5,5-Diphenyl-4-benzyl-2-oxazolidinone (CAS: 191090-40-1) is a chiral auxiliary with the molecular formula C22H19NO2 and a molecular weight of 329.39. This compound plays a crucial role in asymmetric synthesis, enabling the stereoselective formation of new chiral centres. Its robust structure and predictable behaviour make it a valuable tool in complex organic synthesis for academic and industrial research.
- Synonyms
- C22H19NO2

Asymmetric Synthesis
This oxazolidinone derivative serves as a chiral auxiliary in asymmetric synthesis. It facilitates the stereoselective construction of carbon-carbon and carbon-heteroatom bonds, leading to enantiomerically enriched products.
Chiral Auxiliary in Organic Synthesis
Utilised to control the stereochemical outcome of reactions, this compound is essential for synthesising chiral molecules with high enantiomeric excess, particularly in the development of pharmaceuticals and fine chemicals.
Oxazolidinone Derivatives
As a key member of the oxazolidinone derivatives family, it is employed in research to explore novel synthetic methodologies and develop new chiral building blocks.
| Molecular weight | 329.39 |
|---|---|
| Empirical formula | C22H19NO2 |
| Assay | 98% |
| Optical activity | [α]20/D +279°, c = 1 in chloroform |
| Melting point | 250-254 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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)-(+)-5,5-Diphenyl-4-benzyl-2-oxazolidinone used for?
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This compound is primarily used as a chiral auxiliary in asymmetric synthesis to control the stereochemical outcome of organic reactions, producing enantiomerically enriched compounds.
What is the CAS number and formula for this chemical?
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The CAS number is 191090-40-1, and the empirical formula is C22H19NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-(+)-5,5-Diphenyl-4-benzyl-2-oxazolidinone at an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should (R)-(+)-5,5-Diphenyl-4-benzyl-2-oxazolidinone be handled safely?
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Handling requires appropriate personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound has a WGK Germany rating of 3.
How is this chemical packed and shipped?
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Tech Serve Solutions expertly packs and exports chemicals globally, adhering to strict safety and regulatory standards for international shipping.
How can I request a sample or quote?
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Please contact our sales team through the website to request a sample or a detailed quotation for (R)-(+)-5,5-Diphenyl-4-benzyl-2-oxazolidinone.
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