Description

8,8-Dimethyl-4-Methylene-1-Oxaspiro[2.5]Oct-5-Ene is a specialized spirocyclic oxirane derivative, a high-value intermediate in advanced organic synthesis. Its unique strained ring structure and reactive oxirane and alkene functionalities make it a critical building block for constructing complex molecular architectures. This compound is essential for R&D and production in pharmaceutical development, agrochemical synthesis, and materials science, where precise control over stereochemistry and functional group introduction is paramount.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for spirocyclic and bridged-ring compounds with potential therapeutic activity.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, leveraging its reactive sites to create complex bioactive molecules.
• Fine Chemical Building Block: Employed in academic and industrial research for the construction of complex natural product analogs and other high-value specialty chemicals.
• Polymer & Materials Science: Acts as a cross-linking agent or monomer for creating polymers with unique thermal or mechanical properties due to its spirocyclic and epoxide structure.
• Ligand & Catalyst Development: Utilized as a scaffold for developing novel chiral ligands and organocatalysts for asymmetric synthesis applications.

Basic Information

Product Name	8,8-Dimethyl-4-Methylene-1-Oxaspiro[2.5]Oct-5-Ene
CAS No.	54345-60-7
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	4-Methylene-8,8-dimethyl-1-oxaspiro[2.5]oct-5-ene; 8,8-Dimethyl-4-methylenebicyclo[5.1.0]oct-2-ene oxide; 1-Oxaspiro[2.5]oct-5-ene, 8,8-dimethyl-4-methylene-; Dimethylmethyleneoxaspirooctene; Bicyclo[5.1.0]oct-2-ene, 8,8-dimethyl-4-methylene-, oxide
EINECS	Contact for details

Quality Control

Our 8,8-Dimethyl-4-Methylene-1-Oxaspiro[2.5]Oct-5-Ene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity, identity, and consistency, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided for full traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/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.