Description

(Cis)-1-Benzyl 2-Methyl 4-Oxocyclopentane-1,2-Dicarboxylate is a high-purity, functionalized cyclopentane derivative serving as a critical chiral building block and synthetic intermediate. This compound matters for its precise stereochemistry and reactive ketone and ester functionalities, enabling the construction of complex molecular architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical and fine chemical industries for applications in asymmetric synthesis and the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the multi-step synthesis of potential drug candidates, particularly those with cyclopentane-based cores.
• Asymmetric Catalysis Substrate: Used in research to develop and test new asymmetric transformation methodologies due to its defined stereogenic centers.
• Fine Chemical Synthesis: Serves as a versatile precursor for synthesizing more complex esters, acids, or reduced alcohol derivatives for specialty chemicals.
• Academic & Industrial R&D: Employed in discovery chemistry for constructing novel compound libraries and exploring new synthetic routes.
• Agrochemical Intermediate: Potential use in the synthesis of advanced, stereochemically-defined active ingredients for crop protection.

Basic Information

Product Name	(Cis)-1-Benzyl 2-Methyl 4-Oxocyclopentane-1,2-Dicarboxylate
CAS No.	164916-54-5
Molecular Formula	C16H18O5
Molecular Weight	290.31 g/mol
Synonyms	1-Benzyl 2-methyl (1S,2S)-4-oxocyclopentane-1,2-dicarboxylate; (1S,2S)-1-Benzyl 2-methyl 4-oxocyclopentane-1,2-dicarboxylate; cis-1-Benzyl 2-methyl 4-oxocyclopentanedicarboxylate; 4-Oxocyclopentane-1,2-dicarboxylic acid 1-benzyl 2-methyl ester; Benzyl methyl 4-oxocyclopentane-1,2-dicarboxylate
EINECS	Contact for details

Quality Control

Our (Cis)-1-Benzyl 2-Methyl 4-Oxocyclopentane-1,2-Dicarboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral purity assessment, to ensure it meets the high standards required for research and process chemistry. 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 place at a controlled room temperature (typically 15-25°C). The container should be kept in a well-ventilated area and protected from moisture.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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