Description

(3S,4''S,4''aβ,5'R,8''aα)-4,5,3',4',4''a,5'',6'',7''-Octahydro-5''α-hydroxy-4'',7''β-dimethyldispiro[furan-3(2H),2'(5'H)-furan-5',8''-[8H-4,8a]propano[1H-2]benzopyran]-2,3''(4''H)-dione is a complex, high-purity spirocyclic organic compound with a defined stereochemistry, making it a valuable chiral building block and advanced intermediate for sophisticated chemical synthesis. Its intricate fused-ring structure is of significant interest in the research and development of novel active pharmaceutical ingredients (APIs) and other fine chemicals. This compound is primarily utilized by pharmaceutical R&D laboratories and specialty chemical manufacturers seeking high-quality, structurally defined intermediates.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of complex drug candidates, particularly in oncology and central nervous system (CNS) therapeutic areas.
• Asymmetric Synthesis: Used as a sophisticated building block in stereoselective reactions to construct molecules with specific three-dimensional configurations.
• Medicinal Chemistry Research: Employed in hit-to-lead optimization and structure-activity relationship (SAR) studies to explore new chemical entities.
• Fine Chemical Production: Acts as an intermediate in the manufacture of specialty chemicals, including agrochemicals and high-performance materials.
• Reference Standard: Can be supplied as a high-purity analytical standard for method development and quality control in regulatory submissions.
• Academic & Institutional Research: Used in universities and research institutes for studies in organic synthesis methodology and natural product analog development.

Basic Information

Product Name	(3S,4''S,4''aβ,5'R,8''aα)-4,5,3',4',4''a,5'',6'',7''-Octahydro-5''α-hydroxy-4'',7''β-dimethyldispiro[furan-3(2H),2'(5'H)-furan-5',8''-[8H-4,8a]propano[1H-2]benzopyran]-2,3''(4''H)-dione
CAS No.	55784-79-7
Molecular Formula	C20H24O6
Molecular Weight	360.40 g/mol
Synonyms	Dispiro[furan-3(2H),2'(5'H)-furan-5',8''-[8H]propano[1H-2]benzopyran]-2,3''(4''H)-dione, 4,5,3',4',4''a,5'',6'',7''-octahydro-5''-hydroxy-4'',7''-dimethyl-, (3S,4''S,4''aβ,5'R,8''aα)-; 55784-79-7; A complex spirocyclic dilactone; Propano[1H-2]benzopyran derivative; Chiral spiro-difuranone.
EINECS	Contact for details

Quality Control

Every batch of our (3S,4''S,4''aβ,5'R,8''aα)-4,5,3',4',4''a,5'',6'',7''-Octahydro-5''α-hydroxy-4'',7''β-dimethyldispiro[furan-3(2H),2'(5'H)-furan-5',8''-[8H-4,8a]propano[1H-2]benzopyran]-2,3''(4''H)-dione is produced and tested under a strict quality management system. We provide comprehensive Certificates of Analysis (COA) that detail purity, identity, and impurity profiles, ensuring traceability and compliance with your research or production requirements. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong alkalis and incompatible organic solvents. For long-term storage, consider inert gas purging to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Specific Rotation	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%

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