Description

(R)-4-Benzyl-3-(3-Cyclopentyl-Propionyl)-Oxazolidin-2-One is a high-purity chiral auxiliary and synthetic intermediate of significant importance in asymmetric organic synthesis. Its value lies in enabling the stereoselective construction of complex molecules, which is critical for developing pharmaceuticals and fine chemicals with high enantiomeric purity. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries who require reliable, high-quality building blocks for their synthetic routes.

Application

• As a chiral auxiliary in the stereoselective synthesis of active pharmaceutical ingredients (APIs).
• Key intermediate for the preparation of enantiomerically pure compounds in medicinal chemistry research.
• Building block in the synthesis of complex natural products and specialty chemicals.
• Use in process chemistry for the scale-up and optimization of asymmetric transformations.
• Reagent for academic and industrial research in developing new catalytic and stoichiometric asymmetric methodologies.

Basic Information

Product Name	(R)-4-Benzyl-3-(3-Cyclopentyl-Propionyl)-Oxazolidin-2-One
CAS No.	289677-10-7
Molecular Formula	C18H23NO3
Molecular Weight	301.38 g/mol
Synonyms	(R)-4-Benzyl-3-(3-cyclopentylpropanoyl)oxazolidin-2-one; (R)-4-Benzyl-3-(3-cyclopentylpropionyl)-2-oxazolidinone; (R)-N-((Benzyloxy)carbonyl)-3-cyclopentylpropionamide Evans Auxiliary Derivative; (R)-3-(3-Cyclopentylpropanoyl)-4-benzyloxazolidin-2-one; (4R)-4-Benzyl-3-[(3-cyclopentyl-1-oxopropyl)]-2-oxazolidinone; (R)-4-Benzyl-3-(3-cyclopentanepropionyl)-2-oxazolidinone
EINECS	Contact for details

Quality Control

Our (R)-4-Benzyl-3-(3-Cyclopentyl-Propionyl)-Oxazolidin-2-One is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity suitable for demanding synthetic applications. We provide comprehensive analytical data, including HPLC/GC purity, chiral purity, and identity confirmation. A Certificate of Analysis (COA) detailing all specifications is available with each shipment and upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat and incompatible materials. This material is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.