Description

Cyclopenta[B]Pyran-7(2H)-One, 3,4,5,6-Tetrahydro-5-Methyl-4-Phenyl-, (4R,5R)-Rel- (9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. Its complex fused-ring structure containing a pyranone moiety makes it a valuable precursor for the development of novel pharmacologically active compounds. This intermediate is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for creating new molecules with potential biological activity.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) or anti-inflammatory targets.
• Agrochemical Research: Serves as a sophisticated building block for synthesizing novel herbicides, fungicides, or insecticides with enhanced efficacy and selectivity.
• Asymmetric Synthesis: Utilized in catalytic asymmetric reactions to construct complex molecular architectures due to its defined stereocenters at the 4 and 5 positions.
• Medicinal Chemistry: Employed in lead optimization and structure-activity relationship (SAR) studies to explore new chemical space for drug discovery programs.
• Fine Chemical Production: Used in the multi-step synthesis of specialty chemicals, flavors, and fragrances requiring high stereochemical purity.
• Academic & Institutional Research: A valuable compound for methodological development in organic chemistry and for studying novel reaction pathways involving fused heterocycles.

Basic Information

Product Name	Cyclopenta[B]Pyran-7(2H)-One, 3,4,5,6-Tetrahydro-5-Methyl-4-Phenyl-, (4R,5R)-Rel- (9Ci)
CAS No.	790662-00-9
Molecular Formula	C15H16O2
Molecular Weight	228.29 g/mol
Synonyms	(4R,5R)-rel-3,4,5,6-Tetrahydro-5-methyl-4-phenylcyclopenta[b]pyran-7(2H)-one; rel-(4R,5R)-5-Methyl-4-phenyl-2,3,4,5,6,7-hexahydrocyclopenta[b]pyran-7-one; 790662-00-9; Cyclopenta[b]pyran-7(2H)-one, 3,4,5,6-tetrahydro-5-methyl-4-phenyl-, (4R,5R)-rel-; (4R,5R)-5-Methyl-4-phenyl-3,4,5,6-tetrahydro-2H-cyclopenta[b]pyran-7-one
EINECS	Contact for details

Quality Control

Our Cyclopenta[B]Pyran-7(2H)-One, 3,4,5,6-Tetrahydro-5-Methyl-4-Phenyl-, (4R,5R)-Rel- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure consistent identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% de
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.