Description

Diethyl 2-(2,2,6-Trimethyl-3-Thioxo-2,3-Dihydroquinolin-4(1H)-Ylidene)-1,3-Dithiole-4,5-Dicarboxy CAS NO 296272-67-8 is a specialized organic compound belonging to the class of quinoline and dithiole derivatives, valued for its unique heterocyclic structure. This compound serves as a critical advanced intermediate in the synthesis of functional dyes, pigments, and complex organic electronic materials. It is primarily sought by R&D chemists and production specialists in the fine chemical, specialty dye, and advanced material sectors.

Application

• Key Intermediate for Functional Dyes & Pigments: Serves as a core building block for synthesizing high-performance quinophthalone and related dye classes used in textiles, inks, and plastics.
• Organic Semiconductor Research: Investigated as a potential precursor or dopant material in the development of organic light-emitting diodes (OLEDs) and photovoltaic cells due to its electron-rich dithiole moiety.
• Nonlinear Optical (NLO) Materials: Used in research for creating materials with specific light-absorbing and emitting properties for photonic applications.
• Chemical Sensor Development: Its structural motif is explored in designing selective chemosensors for metal ion detection.
• Pharmaceutical Intermediate: Potential use in the synthesis of complex pharmacophores for medicinal chemistry research, given the bioactive quinoline scaffold.
• Ligand in Coordination Chemistry: Can act as a chelating agent for transition metals in catalytic systems or metal-organic frameworks (MOFs).

Basic Information

Product Name	Diethyl 2-(2,2,6-Trimethyl-3-Thioxo-2,3-Dihydroquinolin-4(1H)-Ylidene)-1,3-Dithiole-4,5-Dicarboxy
CAS No.	296272-67-8
Molecular Formula	C22H23NO4S3
Molecular Weight	461.61 g/mol
Synonyms	Diethyl 4-(4,5-dicarboxy-1,3-dithiol-2-ylidene)-2,2,6-trimethyl-1,2,3,4-tetrahydroquinoline-3-thione-4-carboxylate; 1,3-Dithiole-4,5-dicarboxylic acid, 2-(2,2,6-trimethyl-3-thioxo-1,2,3,4-tetrahydro-4-quinolinylidene)-, diethyl ester; 4-(4,5-Di(ethoxycarbonyl)-1,3-dithiol-2-ylidene)-2,2,6-trimethyl-1,2,3,4-tetrahydroquinoline-3-thione; Diethyl 2-((2,2,6-trimethyl-3-thioxo-1,2,3,4-tetrahydroquinolin-4-ylidene))-1,3-dithiole-4,5-dicarboxylate; Quinoline-dithiole derivative CAS 296272-67-8.
EINECS	Contact for details

Quality Control

Our production of Diethyl 2-(2,2,6-Trimethyl-3-Thioxo-2,3-Dihydroquinolin-4(1H)-Ylidene)-1,3-Dithiole-4,5-Dicarboxy adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as identity, assay, and impurity profile. We support custom synthesis and purity grade adjustments to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. The compound is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Standard Grade)
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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