Description

cis-Di-tert-Butyl -Cyclopent-4-Ene-1,3-Diyl Dicarbonate is a specialized, high-purity chemical intermediate featuring a unique bicyclic structure with carbonate protecting groups. This compound matters as a critical building block in advanced organic synthesis, offering precise stereochemistry and reactivity for constructing complex molecular architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the multi-step synthesis of potential drug candidates, particularly those requiring a rigid, functionalized cyclopentene core.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides where its specific stereochemistry can influence biological activity.
• Material Science Precursor: Acts as a monomer or cross-linking agent in the research of specialty polymers with tailored thermal and mechanical properties.
• Academic & R&D Laboratories: Employed in methodological studies and the discovery of new catalytic reactions or asymmetric synthesis pathways.
• Fine Chemical Synthesis: Utilized for the preparation of complex natural product analogs and other high-value specialty chemicals.

Basic Information

Product Name	cis-Di-tert-Butyl -Cyclopent-4-Ene-1,3-Diyl Dicarbonate
CAS No.	890122-43-7
Molecular Formula	C₁₅H₂₂O₆
Molecular Weight	298.33 g/mol
Synonyms	cis-4,5-Bis(tert-butoxycarbonyloxy)cyclopent-1-ene; (1R,2S,4S)-4,5-Bis[(tert-butoxy)carbonyloxy]bicyclo[3.2.0]hept-2-ene; Bicyclo[3.2.0]hept-2-ene-4,5-diyl bis(tert-butyl carbonate), (1R,2S,4S)-; Di-tert-butyl (1R,2S,4S)-bicyclo[3.2.0]hept-2-ene-4,5-diyldicarbonate; (1R,2S,4S)-Bicyclo[3.2.0]hept-2-ene-4,5-diyl bis(tert-butyl carbonate)
EINECS	Contact for details

Quality Control

Every batch of cis-Di-tert-Butyl -Cyclopent-4-Ene-1,3-Diyl Dicarbonate is manufactured under strict quality management systems. Our products undergo rigorous quality testing to ensure compliance with industry standards for research and development. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Rotation	Contact for details

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