Description

2-Cyclopenten-1-One, 2-Hydroxy-3,4-Dimethyl-5-Methylene-4-Phenyl-, (4R)- (9Ci) is a chiral, functionalized cyclopentenone derivative of significant interest in advanced organic synthesis. This compound matters as a versatile and stereochemically defined building block for constructing complex molecular architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications such as asymmetric synthesis and natural product research.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of bioactive molecules and active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis: Utilized as a building block in stereoselective reactions to introduce the (4R)-configured stereocenter into target compounds.
• Natural Product Analog Synthesis: Employed in the research and development of analogs for compounds with cyclopentenone cores.
• Agrochemical Research: Acts as an intermediate in the development of novel, chiral active ingredients for crop protection.
• Material Science Research: Investigated as a monomer or precursor for specialized polymers with unique optical or chemical properties.
• Academic & R&D Laboratories: Used in methodological studies and the discovery of new catalytic or synthetic transformations.

Basic Information

Product Name	2-Cyclopenten-1-One, 2-Hydroxy-3,4-Dimethyl-5-Methylene-4-Phenyl-, (4R)- (9Ci)
CAS No.	462116-74-1
Molecular Formula	C14H16O2
Molecular Weight	216.28 g/mol
Synonyms	(4R)-2-Hydroxy-3,4-dimethyl-5-methylene-4-phenyl-2-cyclopenten-1-one; (4R)-4-Phenyl-2-hydroxy-3,4-dimethyl-5-methylene-2-cyclopenten-1-one; 4-Phenyl-2-hydroxy-3,4-dimethyl-5-methylene-2-cyclopenten-1-one, (4R)-; 2-Cyclopenten-1-one, 2-hydroxy-3,4-dimethyl-5-methylene-4-phenyl-, (4R)-; (R)-2-Hydroxy-3,4-dimethyl-5-methylene-4-phenylcyclopent-2-en-1-one
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide material with a typical purity of ≥95% (by HPLC), suitable for research and development applications. Certificates of Analysis (COA) detailing identity, purity, and chiral purity are available upon request. Our quality system supports development under cGMP guidelines for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound may be light-sensitive and should be handled under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 95.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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