Description

3,5-Dioxo-2-(Triphenylphosphoranylidene)Hexanoic Acid Methyl Ester is a specialized Wittig-Horner reagent and a key building block in organic synthesis. This compound matters for its unique reactivity, enabling the efficient construction of complex, functionalized molecules through olefination and cyclization reactions. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for synthesizing active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Synthesis of complex heterocycles and bioactive molecules for drug discovery and development.
• Agrochemical Synthesis: Building block for creating novel pesticides, herbicides, and plant growth regulators.
• Material Science Research: Precursor for functionalized organic compounds used in polymer and advanced material design.
• Academic & Industrial R&D: A versatile reagent for methodological studies in organic chemistry, particularly in carbon-carbon bond formation.
• Fine Chemical Production: Manufacture of specialty chemicals requiring specific olefin geometries and functional groups.

Basic Information

Product Name	3,5-Dioxo-2-(Triphenylphosphoranylidene)Hexanoic Acid Methyl Ester
CAS No.	26535-32-0
Molecular Formula	C25H23O4P
Molecular Weight	418.42 g/mol
Synonyms	Methyl 3,5-dioxo-2-(triphenylphosphoranylidene)hexanoate; 2-(Triphenylphosphoranylidene)-3,5-dioxohexanoic acid methyl ester; (Carbethoxymethylene)triphenylphosphorane 1,3-diketone derivative; Wittig-Horner reagent derivative; Phosphonium ylide ester; Acetoacetate phosphorane derivative; Methyl 2-[(triphenylphosphoranylidene)]-3,5-dioxohexanoate
EINECS	Contact for details

Quality Control

Our 3,5-Dioxo-2-(Triphenylphosphoranylidene)Hexanoic Acid Methyl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC, NMR, and IR spectroscopy to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation from moisture and oxidation.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
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.