Description

1-Oxaspiro[4.4]Non-3-Ene,2-(2,4-Hexadiynylidene)-,(2E)-(9Ci) is a specialized spirocyclic and enyne-containing organic compound, identified by CAS number 554427-88-2. This molecule is valued as a sophisticated synthetic intermediate and building block for advanced organic synthesis, particularly in the development of novel chemical architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), especially for compounds with spirocyclic or rigid polycyclic cores.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides where its unique structure can impart specific biological activity.
• Material Science & Polymer Chemistry: Acts as a monomer or cross-linking agent for creating polymers with specialized optical or electronic properties due to its conjugated enyne system.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for cycloaddition reactions, metal-catalyzed couplings, and other transformations to create complex, three-dimensional molecules.
• Ligand & Catalyst Development: Utilized as a scaffold for synthesizing novel chiral ligands or organocatalysts for asymmetric synthesis.

Basic Information

Product Name	1-Oxaspiro[4.4]Non-3-Ene,2-(2,4-Hexadiynylidene)-,(2E)-(9Ci)
CAS No.	554427-88-2
Molecular Formula	C13H12O
Molecular Weight	184.23 g/mol
Synonyms	(2E)-2-(2,4-Hexadiynylidene)-1-oxaspiro[4.4]non-3-ene; 1-Oxaspiro[4.4]non-3-ene, 2-(2,4-hexadiynylidene)-, (2E)-; 2-(2,4-Hexadiynylidene)-1-oxaspiro[4.4]non-3-ene; (E)-2-(hexa-2,4-diyn-1-ylidene)-1-oxaspiro[4.4]non-3-ene; Spirocyclic enyne ether; Advanced spiro building block
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch of 1-Oxaspiro[4.4]Non-3-Ene,2-(2,4-Hexadiynylidene)-,(2E)-(9Ci) is analyzed to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are available upon request to support your quality assurance and regulatory documentation needs.

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 heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Residual Solvents (GC)	Meets ICH guidelines

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