Description

Spiro[2.4]Hepta-4,6-Diene-1-Carbonyl Chloride, 2,2-Dimethyl- (9Ci) is a highly reactive and versatile spirocyclic acid chloride intermediate. This compound is valued for its unique fused ring structure, which serves as a critical building block for synthesizing complex organic molecules and advanced materials. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring complex spirocyclic or bridged ring systems.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with unique modes of action.
• Material Science Research: Serves as a precursor for advanced polymers, ligands for catalysis, and other functional materials requiring specific three-dimensional geometries.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for cyclization reactions, cross-coupling, and as a versatile acylating agent to introduce the dimethylspiro[2.4]heptadiene moiety.
• Fine Chemical Production: Intermediate in the multi-step synthesis of dyes, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	Spiro[2.4]Hepta-4,6-Diene-1-Carbonyl Chloride, 2,2-Dimethyl- (9Ci)
CAS No.	53018-39-6
Molecular Formula	C10H11ClO
Molecular Weight	182.65 g/mol
Synonyms	2,2-Dimethylspiro[2.4]hepta-4,6-diene-1-carbonyl chloride; 1-(Chlorocarbonyl)-2,2-dimethylspiro[2.4]hepta-4,6-diene; 2,2-Dimethylspiro[2.4]hepta-4,6-diene-1-carboxylic acid chloride; Spiro[2.4]hepta-4,6-diene-1-carbonyl chloride, 2,2-dimethyl-; 2,2-Dimethyl-1-spiro[2.4]hepta-4,6-dienecarbonyl chloride
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. We employ advanced analytical techniques, including GC, HPLC, and NMR, to verify identity, purity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its nature as a strong acid/organic solvent derivative, it should be kept away from moisture, heat, and incompatible materials such as bases, alcohols, and amines. Recommended storage temperature is 2-8°C for long-term 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.