Description

3,4-Diethyl-3-Cyclobutene-1α,2α-Dicarboxylic Acid Dimethyl Ester is a specialized, high-purity chemical intermediate featuring a unique cyclobutene ring structure. This compound is valued for its role as a versatile building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those requiring strained ring systems for biological activity.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its unique structure can contribute to specific modes of action.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of advanced polymers with tailored thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for [4+2] cycloaddition (Diels-Alder) reactions and other ring-forming transformations.
• Ligand and Catalyst Development: Utilized in the creation of novel chiral ligands or organometallic catalysts for asymmetric synthesis.
• Fine Chemical Production: Integral to the multi-step synthesis of complex fragrance or flavor molecules.

Basic Information

Product Name	3,4-Diethyl-3-Cyclobutene-1α,2α-Dicarboxylic Acid Dimethyl Ester
CAS No.	55673-92-2
Molecular Formula	C14H22O4
Molecular Weight	254.32 g/mol
Synonyms	Dimethyl 3,4-Diethyl-3-cyclobutene-1,2-dicarboxylate; 3-Cyclobutene-1,2-dicarboxylic acid, 3,4-diethyl-, dimethyl ester; 3,4-Diethyl-3-cyclobutene-1,2-dicarboxylic acid dimethyl ester; 1,2-Cyclobutenedicarboxylic acid, 3,4-diethyl-, dimethyl ester
EINECS	Contact for details

Quality Control

Our 3,4-Diethyl-3-Cyclobutene-1α,2α-Dicarboxylic Acid Dimethyl Ester is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.