Description

(1R,3S)-3-(2,2-Difluoroethenyl)-2,2-Dimethylcyclopropanecarboxylic Acid [5-(Phenylmethyl)Furan-3-Yl]Methyl Ester is a high-purity, advanced synthetic intermediate characterized by its unique cyclopropane and difluoroethenyl functional groups. This compound is critical for research and development in the agrochemical and pharmaceutical sectors, where precise stereochemistry and fluorine incorporation are essential for bioactivity. It serves as a key building block for scientists and manufacturers developing next-generation active ingredients, particularly in the synthesis of novel pyrethroid-like compounds and other bioactive molecules.

Application

• Agrochemical Intermediate: A crucial precursor in the synthesis of novel pyrethroid and pyrethroid-analog insecticides, leveraging its cyclopropane carboxylate core.
• Pharmaceutical Research: Used as a sophisticated building block in medicinal chemistry for the development of new drug candidates, especially where fluorinated motifs are desired.
• Chemical Synthesis: Serves as a specialized intermediate for organic chemists exploring new fluorinated compounds and complex ester derivatives.
• Material Science Research: Investigated for potential use in creating novel fluorinated polymers or specialty chemicals with unique properties.

Basic Information

Item	Details
Product Name	(1R,3S)-3-(2,2-Difluoroethenyl)-2,2-Dimethylcyclopropanecarboxylic Acid [5-(Phenylmethyl)Furan-3-Yl]Methyl Ester
CAS No.	55700-97-5
Molecular Formula	C20H22F2O3
Molecular Weight	348.39 g/mol
Synonyms	5-(Benzyl)furan-3-ylmethyl (1R,3S)-3-(2,2-difluorovinyl)-2,2-dimethylcyclopropanecarboxylate; (1R-cis)-3-(2,2-Difluoroethenyl)-2,2-dimethylcyclopropanecarboxylic Acid (5-Benzyl-3-furanyl)methyl Ester; 5-Benzyl-3-furanylmethyl (1R,3S)-3-(2,2-difluorovinyl)-2,2-dimethylcyclopropanecarboxylate; Cyclopropanecarboxylic acid, 3-(2,2-difluoroethenyl)-2,2-dimethyl-, (5-(phenylmethyl)-3-furanyl)methyl ester, (1R,3S)-; A key stereoisomeric intermediate for pyrethroid synthesis.
EINECS	Contact for details

Quality Control

Every batch of (1R,3S)-3-(2,2-Difluoroethenyl)-2,2-Dimethylcyclopropanecarboxylic Acid [5-(Phenylmethyl)Furan-3-Yl]Methyl Ester is manufactured under strict quality management systems. We employ advanced analytical techniques including HPLC, GC, and NMR to ensure high chemical and isomeric purity, meeting the exacting standards required for research and process development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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 (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and storage should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Isomeric Purity (Chiral HPLC)	≥ 98.0% (1R,3S isomer)
Water Content (KF)	≤ 0.5%

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