Description

Diacetic Acid 5-Methyl-6-Oxo-3-(Trimethylsilyl)-2,4-Cyclohexadien-1-Ylidene Ester is a specialized organosilicon compound that serves as a valuable synthetic intermediate and protecting group reagent in advanced organic synthesis. Its unique structure, featuring a silyl-protected dienone ester, makes it a critical building block for constructing complex molecular architectures with high precision. This chemical is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those requiring silyl protection strategies during multi-step reactions.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where its reactive dienone system enables the creation of unique heterocyclic structures.
• Advanced Material Precursor: Serves as a monomer or cross-linking agent in the development of specialty polymers and silicon-containing hybrid materials.
• Organic Synthesis Reagent: Functions as a versatile building block in academic and industrial laboratories for Diels-Alder reactions and other cycloaddition processes.
• Chemical Research: Employed in methodological studies and the development of new synthetic pathways due to its reactive and protective functional groups.
• Fine Chemical Production: Integral in the small-scale, high-value synthesis of flavors, fragrances, and other specialty chemicals.

Basic Information

Item	Details
Product Name	Diacetic Acid 5-Methyl-6-Oxo-3-(Trimethylsilyl)-2,4-Cyclohexadien-1-Ylidene Ester
CAS No.	64248-48-2
Molecular Formula	C14H22O4Si
Molecular Weight	282.41 g/mol
Synonyms	5-Methyl-6-oxo-3-(trimethylsilyl)-2,4-cyclohexadien-1-ylidene diacetate; 3-(Trimethylsilyl)-5-methyl-6-oxo-2,4-cyclohexadien-1-ylidene diacetate; Diacetyl 5-Methyl-6-oxo-3-(trimethylsilyl)-2,4-cyclohexadien-1-ylidene acetal; TMS-Dienone Diacetate Ester; 64248-48-2; (5-Methyl-6-oxo-3-trimethylsilyl-cyclohexa-2,4-dienylidene) diacetate
EINECS	Contact for details

Quality Control

Every batch of Diacetic Acid 5-Methyl-6-Oxo-3-(Trimethylsilyl)-2,4-Cyclohexadien-1-Ylidene Ester is manufactured and tested under a strict quality management system to ensure batch-to-batch consistency and reliability for your critical synthetic applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing purity, identity, and impurity profiles as confirmed by advanced analytical techniques.

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). This compound is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.