Description

1-Pyrrolidinecarboxylic Acid, 2-Cyano-4,4-Difluoro-, 1,1-Dimethylethyl Ester, (2S)- is a high-purity, chiral fluorinated pyrrolidine derivative, serving as a critical advanced pharmaceutical intermediate. Its value lies in its unique stereochemistry and the presence of fluorine and cyano groups, which are essential for modulating the biological activity, metabolic stability, and physicochemical properties of target drug molecules. This compound is primarily needed by research institutions and pharmaceutical companies engaged in the discovery and development of novel therapeutics, particularly in areas like protease inhibitors and other small-molecule drugs.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of active pharmaceutical ingredients (APIs) targeting various disease pathways.
• Protease Inhibitor Development: Used in research and production of inhibitors for proteolytic enzymes, such as HCV NS3/4A protease or DPP-4, due to its pyrrolidine scaffold.
• Structure-Activity Relationship (SAR) Studies: The fluorinated, cyano-substituted structure is valuable for medicinal chemists optimizing drug potency and selectivity.
• Peptidomimetic Synthesis: Acts as a constrained proline analog for creating novel peptidomimetics with enhanced stability and bioavailability.
• Asymmetric Synthesis: Employed as a chiral auxiliary or precursor in stereoselective chemical transformations.
• Agrochemical Research: Potential intermediate in the development of new fluorinated active ingredients for crop protection.

Basic Information

Product Name	1-Pyrrolidinecarboxylic Acid, 2-Cyano-4,4-Difluoro-, 1,1-Dimethylethyl Ester, (2S)-
CAS No.	483366-14-9
Molecular Formula	C11H16F2N2O2
Molecular Weight	246.26 g/mol
Synonyms	(2S)-2-Cyano-4,4-difluoropyrrolidine-1-carboxylic acid tert-butyl ester; tert-Butyl (2S)-2-cyano-4,4-difluoropyrrolidine-1-carboxylate; (S)-tert-Butyl 2-cyano-4,4-difluoropyrrolidine-1-carboxylate; (S)-1-Boc-2-cyano-4,4-difluoropyrrolidine; (S)-N-Boc-2-cyano-4,4-difluoropyrrolidine; 2-Cyano-4,4-difluoro-L-proline tert-butyl ester; (S)-2-Cyano-4,4-difluoropyrrolidine-1-carboxylic acid 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our 1-Pyrrolidinecarboxylic Acid, 2-Cyano-4,4-Difluoro-, 1,1-Dimethylethyl Ester, (2S)- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral HPLC for enantiomeric purity and quantitative NMR or HPLC for assay, to ensure compliance with exacting standards for pharmaceutical intermediates. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Enantiomeric Purity (Chiral HPLC)	≥99.0% ee
Water Content (KF)	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals	≤10 ppm
Single Maximum Impurity (HPLC)	≤0.5%
Total Impurities (HPLC)	≤1.0%

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