Description

3,4-Dihydro-4-[(1E,2E,4R,6E)-8-[(2R,4S,6R,8R,9S)-4-hydroxy-8,9-dimethyl-1,7-dioxaspiro[5.5]undec-2-yl]-4,6-dimethyl-2,6-octadienylidene]-7-methyl-1H-2-benzopyran-1-one is a complex, high-purity organic compound belonging to the class of spirocyclic and benzopyranone derivatives. This compound is valued for its unique stereochemistry and structural complexity, making it a critical intermediate for advanced synthetic chemistry. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in oncology and anti-infective research.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides with specific modes of action.
• Fine Chemical Synthesis: Serves as a sophisticated precursor for creating complex fragrance molecules, dyes, and specialty polymers.
• Academic & Contract Research: Essential for methodological studies in organic synthesis, catalysis, and stereochemistry at universities and CROs.
• Material Science: Potential intermediate for developing advanced organic electronic materials or liquid crystals.

Basic Information

Product Name	3,4-Dihydro-4-[(1E,2E,4R,6E)-8-[(2R,4S,6R,8R,9S)-4-hydroxy-8,9-dimethyl-1,7-dioxaspiro[5.5]undec-2-yl]-4,6-dimethyl-2,6-octadienylidene]-7-methyl-1H-2-benzopyran-1-one
CAS No.	87292-17-9
Molecular Formula	C32H42O5
Molecular Weight	506.68 g/mol
Synonyms	4-[(1E,2E,4R,6E)-8-[(2R,4S,6R,8R,9S)-4-Hydroxy-8,9-dimethyl-1,7-dioxaspiro[5.5]undec-2-yl]-4,6-dimethyl-2,6-octadienylidene]-3,4-dihydro-7-methyl-1H-2-benzopyran-1-one; (4R)-4-[(1E,2E,4R,6E)-8-[(2R,4S,6R,8R,9S)-4-Hydroxy-8,9-dimethyl-1,7-dioxaspiro[5.5]undec-2-yl]-4,6-dimethylocta-2,6-dien-1-ylidene]-7-methyl-3,4-dihydro-1H-isochromen-1-one; Spirocyclic Benzopyranone Derivative
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and purity for sensitive synthetic applications. Quality is verified through a comprehensive suite of analytical techniques including HPLC, GC, NMR, and chiral analysis. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); ensure containers are sealed under an inert atmosphere if specified. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity	≥ 98.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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