Description

3-Methylbutanoic Acid (1S,7R)-6,7Aα-Dihydro-6β-Hydroxy-4-[(3-Methyl-1-Oxobutoxy)Methyl]Spiro[Cyclopenta[C]Pyran-7(1H),2'-Oxiran]-1α-Yl Ester is a high-purity, complex organic ester with a defined stereochemistry, making it a valuable chiral building block for advanced chemical synthesis. This compound matters because it provides a structurally sophisticated scaffold for pharmaceutical research and development, particularly in the synthesis of novel active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries who require high-quality, well-characterized intermediates for complex molecular construction.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of new therapeutic agents, particularly for complex small-molecule drugs.
• Agrochemical Synthesis: Used in the development of advanced, stereospecific pesticides and herbicides where specific spatial orientation is critical for biological activity.
• Fine Chemical Production: Acts as a precursor for the synthesis of specialty chemicals, flavors, and fragrances requiring high stereochemical purity.
• Academic & Industrial Research: Employed in chemical biology and medicinal chemistry research to study structure-activity relationships (SAR) and develop novel chemical entities.
• Process Chemistry Development: Used for scaling up synthetic routes and optimizing catalytic processes in pilot plants and manufacturing settings.

Basic Information

Product Name	3-Methylbutanoic Acid (1S,7R)-6,7Aα-Dihydro-6β-Hydroxy-4-[(3-Methyl-1-Oxobutoxy)Methyl]Spiro[Cyclopenta[C]Pyran-7(1H),2'-Oxiran]-1α-Yl Ester
CAS No.	53773-14-1
Molecular Formula	C20H30O6
Molecular Weight	366.45 g/mol
Synonyms	(1S,7R)-6,7Aα-Dihydro-6β-hydroxy-4-[(3-methyl-1-oxobutoxy)methyl]spiro[cyclopenta[c]pyran-7(1H),2'-oxiran]-1α-yl 3-methylbutanoate; Spiro[cyclopenta[c]pyran-7(1H),2'-oxiran] ester derivative; Isovaleric acid, (1S,7R)-6,7Aα-dihydro-6β-hydroxy-4-[(3-methyl-1-oxobutoxy)methyl]spiro[cyclopenta[c]pyran-7(1H),2'-oxiran]-1α-yl ester; CAS 53773-14-1; Complex spirocyclic isovalerate ester
EINECS	Contact for details

Quality Control

Our 3-Methylbutanoic Acid (1S,7R)-6,7Aα-Dihydro-6β-Hydroxy-4-[(3-Methyl-1-Oxobutoxy)Methyl]Spiro[Cyclopenta[C]Pyran-7(1H),2'-Oxiran]-1α-Yl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. For long-term stability, storage at 2-8°C (refrigerated) is recommended. The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.