Description

2-Pyrrolidinone, 1-Acetyl-5-Ethenyl-, (S)- (9Ci) is a chiral, substituted pyrrolidinone derivative of significant interest in advanced organic synthesis. This compound matters as a versatile chiral building block and intermediate, enabling the construction of complex molecules with precise stereochemistry. It is primarily needed by research chemists and process development teams in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

• As a chiral synthon in the asymmetric synthesis of pharmaceutical candidates, particularly those targeting neurological disorders.
• An intermediate in the research and development of crop protection agents and other agrochemicals requiring specific stereoisomers for optimal activity.
• Utilized in academic and industrial R&D for methodological studies in organocatalysis and novel ring-forming reactions.
• Serving as a precursor for the synthesis of functionalized lactams and other nitrogen-containing heterocycles with potential biological activity.
• Potential use in the development of specialty polymers and liquid crystals where chirality influences material properties.

Basic Information

Product Name	2-Pyrrolidinone, 1-Acetyl-5-Ethenyl-, (S)- (9Ci)
CAS No.	128759-87-5
Molecular Formula	C8H11NO2
Molecular Weight	153.18 g/mol
Synonyms	(S)-1-Acetyl-5-vinyl-2-pyrrolidinone; (S)-5-Ethenyl-1-acetylpyrrolidin-2-one; 1-Acetyl-5-vinyl-2-pyrrolidinone, (S)-; 5-Ethenyl-1-acetyl-2-pyrrolidinone, (S)-; (S)-N-Acetyl-5-vinyl-2-pyrrolidinone; (S)-5-Vinyl-1-acetyl-2-pyrrolidinone; 2-Pyrrolidinone, 1-acetyl-5-ethenyl-, (S)-; (S)-1-Acetyl-5-ethenylpyrrolidin-2-one
EINECS	Contact for details

Quality Control

Our 2-Pyrrolidinone, 1-Acetyl-5-Ethenyl-, (S)- (9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for research and process chemistry. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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