Description

1,4-Dioxaspiro[4.5]Deca-6,9-Diene, 8-Methylene- is a specialized spirocyclic diene compound with the CAS number 149388-13-6, serving as a valuable synthetic intermediate in advanced organic chemistry. Its unique bicyclic structure, featuring a protected ketone equivalent and a reactive exocyclic methylene group, makes it a versatile building block for constructing complex molecular architectures. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug candidates, particularly those requiring spirocyclic or bridged ring systems.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, leveraging its reactive diene system for Diels-Alder and other cycloaddition reactions.
• Material Science Research: Serves as a monomer or precursor for developing specialized polymers with unique thermal or mechanical properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for constructing natural product analogs and complex organic molecules.
• Flavor & Fragrance Chemistry: Potential intermediate for synthesizing specific musk or amber odorant molecules due to its spirocyclic framework.

Basic Information

Product Name	1,4-Dioxaspiro[4.5]Deca-6,9-Diene, 8-Methylene-
CAS No.	149388-13-6
Molecular Formula	C10H12O2
Molecular Weight	164.20 g/mol
Synonyms	8-Methylene-1,4-dioxaspiro[4.5]deca-6,9-diene; 8-Methylenespiro[1,3-dioxolane-2,1'-cyclohexa-3',5'-diene]; 1,4-Dioxaspiro[4.5]deca-6,9-diene, 8-methylene-; Spiro[1,3-dioxolane-2,1'-cyclohexa-3',5'-diene], 8-methylene-; 8-Methylidene-1,4-dioxaspiro[4.5]deca-6,9-diene; Cyclohexa-3,5-diene-1,2-diol cyclic acetonide, 8-methylene derivative; 2,2-Dimethyl-4-methylene-1,3-dioxa-7,8-dihydro-5H-spiro[4.5]deca-6,9-diene
EINECS	Contact for details

Quality Control

Our 1,4-Dioxaspiro[4.5]Deca-6,9-Diene, 8-Methylene- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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). Keep away from heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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