Description

Tetramethyl 5',5',8'-Trimethyl-5',6'-Dihydrospiro[1,3-Dithiole-2,1'-Thiopyrano[2,3-C]Quinoline]-2 is a high-value, complex heterocyclic compound featuring a unique spiro-fused dithiole and thiopyrano[2,3-c]quinoline structure. This compound is of significant interest in advanced organic synthesis and materials science due to its intricate molecular architecture, which can impart specific electronic and photophysical properties. It is primarily sought by research and development teams in the pharmaceutical and specialty chemical industries for applications in ligand design, catalyst development, and as a sophisticated building block for novel functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthetic precursor or scaffold in the research and development of new active pharmaceutical ingredients (APIs), particularly for complex target molecules.
• Organic Electronic Materials: Used in the development of advanced organic semiconductors, charge-transport materials, or light-emitting components due to its fused heterocyclic system.
• Catalyst & Ligand Synthesis: Acts as a sophisticated backbone for constructing novel ligands in coordination chemistry and catalysis, potentially for asymmetric synthesis.
• Agrochemical Research: Employed as a building block in the discovery of new crop protection agents with novel modes of action.
• Dye & Pigment Chemistry: Investigated for the synthesis of specialized dyes and pigments where the quinoline and dithiole units contribute to color and stability.
• Academic & Industrial R&D: A valuable compound for fundamental research in synthetic methodology and the exploration of new chemical spaces.

Basic Information

Product Name	Tetramethyl 5',5',8'-Trimethyl-5',6'-Dihydrospiro[1,3-Dithiole-2,1'-Thiopyrano[2,3-C]Quinoline]-2
CAS No.	305343-76-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	5',5',8'-Trimethyl-5',6'-dihydrospiro[1,3-dithiole-2,1'-thiopyrano[2,3-c]quinoline]-2,2',3,3'-tetracarboxylate (tetramethyl ester); Tetramethyl 5',5',8'-trimethyl-5',6'-dihydrospiro[1,3-dithiole-2,1'-thiopyrano[2,3-c]quinoline]-2,2',3,3'-tetracarboxylate; Spiro[1,3-dithiole-2,1'-thiopyrano[2,3-c]quinoline] tetracarboxylic acid tetramethyl ester derivative; CAS 305343-76-4
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. While specific grades (e.g., Research, Technical) are available, all materials are characterized using modern analytical techniques such as NMR, HPLC, and MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. For long-term storage, maintaining the material at temperatures between 2°C and 8°C is recommended to ensure optimal stability. The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow solid
Identification (HPLC/MS)	Conforms to structure
Purity (HPLC)	≥ 95% (Research Grade)
Related Substances (HPLC)	Total impurities ≤ 5.0%
Solubility	Soluble in common organic solvents (e.g., DCM, DMSO)

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