Description

2-Pyrrolidinone,3,4-Dimethyl-5-Methylene-,trans-(9Ci) is a specialized heterocyclic lactam derivative with a unique, functionalized pyrrolidinone core structure. This compound matters as a high-value chemical intermediate and building block for advanced synthesis in pharmaceutical and agrochemical research. It is needed by R&D chemists and process development scientists working on novel active ingredients, particularly in the development of complex molecules requiring stereochemical control.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug candidates, including potential enzyme inhibitors and receptor modulators.
• Agrochemical Research: Serves as a precursor in developing novel pesticides and herbicides with specific stereochemical activity.
• Fine Chemical Synthesis: Used as a versatile building block for constructing nitrogen-containing heterocycles and complex natural product analogs.
• Material Science: Potential monomer or modifier in the research of specialty polymers and advanced functional materials.
• Academic & Industrial R&D: Employed in methodological studies and discovery chemistry for new synthetic routes.

Basic Information

Product Name	2-Pyrrolidinone,3,4-Dimethyl-5-Methylene-,trans-(9Ci)
CAS No.	89267-84-5
Molecular Formula	C8H13NO
Molecular Weight	139.19 g/mol
Synonyms	trans-3,4-Dimethyl-5-methylenepyrrolidin-2-one; (3R,4S)-3,4-Dimethyl-5-methylenepyrrolidin-2-one; 5-Methylene-3,4-dimethyl-2-pyrrolidinone; 3,4-Dimethyl-5-methylenepyrrolidin-2-one; 2-Pyrrolidinone, 3,4-dimethyl-5-methylene-, trans-; 89267-84-5; (trans)-3,4-Dimethyl-5-methylenepyrrolidin-2-one
EINECS	Contact for details

Quality Control

Our high-purity chemical intermediates are produced under strict quality management protocols. Each batch undergoes comprehensive analytical characterization, including HPLC for purity and chiral analysis to confirm stereochemical integrity, ensuring it meets the exacting standards required for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee (trans isomer)
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.