Description

tert-Butyl 3-Methylenecyclopentanecarboxylate is a high-value, functionalized cyclopentane derivative serving as a versatile synthetic intermediate. Its core value lies in the reactive methylene and ester groups, which enable its use in constructing complex molecular frameworks for advanced research and development. This compound is primarily needed by pharmaceutical, agrochemical, and specialty chemical industries for applications in medicinal chemistry, catalyst synthesis, and the production of fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with cyclopentane-based core structures.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Catalyst & Ligand Precursor: Serves as a starting material for the preparation of specialized chiral ligands and organometallic catalysts.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, including fragrances, flavors, and advanced polymers.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic synthesis and material science research.

Basic Information

Product Name	tert-Butyl 3-Methylenecyclopentanecarboxylate
CAS No.	122722-15-0
Molecular Formula	C11H18O2
Molecular Weight	182.26 g/mol
Synonyms	3-Methylenecyclopentanecarboxylic acid tert-butyl ester; tert-Butyl 3-methylidenecyclopentane-1-carboxylate; 1-(tert-Butoxycarbonyl)-3-methylenecyclopentane; 3-Methylenecyclopentane-1-carboxylic acid tert-butyl ester; Cyclopentanecarboxylic acid, 3-methylene-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our tert-Butyl 3-Methylenecyclopentanecarboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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