Description

3,6-Dimethyl-2-Trimethylsilyloxy-1-Phenylthio-2,5-Heptadiene is a specialized organosilicon and sulfur-containing intermediate with significant synthetic utility. This compound matters for its role as a key building block in advanced organic synthesis, particularly for constructing complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications such as total synthesis and the development of novel chemical entities.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs), especially for compounds requiring specific stereochemistry or functional group arrays.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and fungicides, leveraging its reactive diene and silyl enol ether functionalities.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, cross-coupling reactions, and other carbon-carbon bond-forming transformations to create complex organic molecules.
• Material Science Research: Acts as a monomer or modifier in the development of specialty polymers and advanced organic materials with tailored properties.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new synthetic pathways in university and corporate research laboratories.
• Fine Chemical Production: Utilized in the pilot-scale and commercial manufacture of high-value, low-volume specialty chemicals for various industrial applications.

Basic Information

Product Name	3,6-Dimethyl-2-Trimethylsilyloxy-1-Phenylthio-2,5-Heptadiene
CAS No.	75332-29-5
Molecular Formula	C18H28OSSi
Molecular Weight	320.57 g/mol
Synonyms	2,5-Heptadiene, 3,6-dimethyl-2-[(trimethylsilyl)oxy]-1-(phenylthio)-; 1-Phenylthio-3,6-dimethyl-2-trimethylsilyloxy-2,5-heptadiene; (E)-3,6-Dimethyl-2-(trimethylsilyloxy)-1-phenylthio-2,5-heptadiene; TMS enol ether of a phenylthio diketone derivative; Silyl enol ether intermediate; Organosilicon sulfur compound; Synthetic intermediate 75332-29-5
EINECS	Contact for details

Quality Control

Our 3,6-Dimethyl-2-Trimethylsilyloxy-1-Phenylthio-2,5-Heptadiene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. All materials are characterized by modern analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment 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. Due to its hygroscopic (moisture-sensitive) nature, the container should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Recommended long-term storage temperature is 2-8°C (refrigerated) for optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5%

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