Description

(2E,4E)-4-(4,4-Dimethyl-2-Pentyn-1-Ylidene)-2-Pentenedioic Acid 1,5-Dimethyl Ester is a specialized, high-purity synthetic intermediate characterized by its conjugated dienoate and alkyne functional groups. This compound matters for its role as a critical building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of complex drug candidates, particularly those requiring conjugated systems for biological activity.
• Agrochemical Research: Used in the development of new pesticides and herbicides, where its unique structure can contribute to novel modes of action.
• Material Science: Acts as a precursor for functional polymers and advanced organic electronic materials due to its extended π-conjugation.
• Academic & Contract Research: Employed in methodological studies and as a standard in catalysis research involving cross-coupling or cycloaddition reactions.
• Fine Chemical Synthesis: Utilized for the preparation of specialty chemicals, flavors, and fragrances requiring specific stereochemistry.

Basic Information

Item	Details
Product Name	(2E,4E)-4-(4,4-Dimethyl-2-Pentyn-1-Ylidene)-2-Pentenedioic Acid 1,5-Dimethyl Ester
CAS No.	1176744-66-3
Molecular Formula	C15H18O4
Molecular Weight	262.30 g/mol
Synonyms	Dimethyl (2E,4E)-4-(4,4-Dimethyl-2-pentyn-1-ylidene)-2-pentenedioate; 2-Pentenedioic acid, 4-(4,4-dimethyl-2-pentyn-1-ylidene)-, 1,5-dimethyl ester, (2E,4E)-; (2E,4E)-4-(4,4-Dimethylpent-2-yn-1-ylidene)pent-2-enedioic acid dimethyl ester
EINECS	Contact for details

Quality Control

Our (2E,4E)-4-(4,4-Dimethyl-2-Pentyn-1-Ylidene)-2-Pentenedioic Acid 1,5-Dimethyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific project or regulatory requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	< 10 ppm

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