Description

1-Oxaspiro[4.4]Non-3-Ene,2-(2,4-Hexadiynylidene)-,(2Z)-(9Ci) is a specialized spirocyclic and diyne-containing organic building block. This compound matters for its unique molecular architecture, which provides a rigid, three-dimensional framework and reactive alkyne functionalities, making it a valuable intermediate in advanced organic synthesis. It is needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for constructing complex molecular targets and novel functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for the construction of complex spirocyclic cores found in bioactive molecules and potential drug candidates.
• Agrochemical Research: Used in the synthesis of novel pesticides or herbicides where the spiro structure can impart specific biological activity and stability.
• Materials Science Precursor: Acts as a monomer or cross-linking agent in the development of advanced polymers, resins, or metal-organic frameworks (MOFs) due to its reactive diyne groups.
• Academic & R&D: Employed in methodological chemistry research for studying cycloaddition reactions, such as Huisgen azide-alkyne click chemistry, and other alkyne transformations.
• Ligand Synthesis: Utilized for creating sophisticated chelating ligands in catalysis and coordination chemistry.
• Fine Chemical Production: Functions as a high-value intermediate in the custom synthesis of specialty chemicals for various industrial applications.

Basic Information

Product Name	1-Oxaspiro[4.4]Non-3-Ene,2-(2,4-Hexadiynylidene)-,(2Z)-(9Ci)
CAS No.	554427-87-1
Molecular Formula	C13H12O
Molecular Weight	184.23 g/mol
Synonyms	(2Z)-2-(2,4-Hexadiynylidene)-1-oxaspiro[4.4]non-3-ene; 1-Oxaspiro[4.4]non-3-ene, 2-(2,4-hexadiynylidene)-, (2Z)-; (Z)-2-(Hexa-2,4-diyn-1-ylidene)-1-oxaspiro[4.4]non-3-ene; Spirocyclic diyne ether; 2-(2,4-Hexadiynylidene)-1-oxaspiro[4.4]non-3-ene (Z-isomer)
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)-,(2Z)-(9Ci) is analyzed using advanced techniques like HPLC, GC, NMR, and MS to confirm identity, purity, and isomeric composition. Certificates of Analysis (COA) with detailed specifications are available upon request. We adhere to cGMP principles for manufacturing critical intermediates.

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 flames. For long-term storage, consider storing under an inert atmosphere (e.g., nitrogen or argon) to prevent potential oxidation or degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Isomeric Purity (Z-isomer)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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