Description

Carbamic Acid, [(1R,4R)-4-Ethyl-2-Cyclopenten-1-Yl]-, 1,1-Dimethylethyl Ester is a specialized chiral intermediate of significant importance in advanced organic synthesis. This compound matters for its role as a key building block in the production of complex, biologically active molecules, offering precise stereochemical control. It is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel therapeutic agents, particularly within medicinal chemistry and process R&D. The product is supplied under high-purity conditions to meet the stringent demands of these applications.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the synthesis of proprietary drug candidates and active pharmaceutical ingredients (APIs).
• Medicinal Chemistry Research: Used in lead optimization and structure-activity relationship (SAR) studies to develop new therapeutic compounds.
• Process Chemistry Development: Serves as a starting material or intermediate in scaling up synthetic routes from laboratory to pilot plant scale.
• Asymmetric Synthesis: Leverages its defined (1R,4R) stereochemistry to induce chirality in downstream reaction products.
• Fine Chemical Production: Employed in the manufacture of other high-value, specialized chemicals requiring this specific carbamate framework.

Basic Information

Product Name	Carbamic Acid, [(1R,4R)-4-Ethyl-2-Cyclopenten-1-Yl]-, 1,1-Dimethylethyl Ester
CAS No.	441799-00-4
Molecular Formula	C12H21NO2
Molecular Weight	211.30 g/mol
Synonyms	tert-Butyl N-[(1R,4R)-4-ethyl-2-cyclopenten-1-yl]carbamate; (1R,4R)-4-Ethyl-2-cyclopenten-1-ylcarbamic acid tert-butyl ester; N-Boc-(1R,4R)-4-ethyl-2-cyclopenten-1-ylamine; Boc-(1R,4R)-4-ethyl-2-cyclopentenylamine; (1R,4R)-1-((tert-Butoxycarbonyl)amino)-4-ethylcyclopent-2-ene; (1R,4R)-4-Ethylcyclopent-2-en-1-yl tert-butyl carbamate; Chiral cyclopentenyl carbamate intermediate
EINECS	Contact for details

Quality Control

Our production of Carbamic Acid, [(1R,4R)-4-Ethyl-2-Cyclopenten-1-Yl]-, 1,1-Dimethylethyl Ester adheres to rigorous quality testing protocols to ensure batch-to-batch consistency and high purity, suitable for demanding synthetic applications. Certificates of Analysis (COA) are provided with each shipment, detailing key parameters such as chiral purity, chemical purity, and identity confirmation. While produced under controlled conditions, this intermediate is typically supplied as a custom synthesis product, and specifications can be aligned with your specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture. For long-term storage, consider using desiccants or storing under an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de (diastereomeric excess)
Water Content (KF)	≤ 0.5%

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