Description

Ethyl 3-Oxo-3-Phenyl-2-Triphenylphosphoranylidene-Propanoate is a specialized Wittig-Horner reagent, a key building block in advanced organic synthesis. This compound is valued for its role in constructing complex molecular frameworks through olefination reactions, enabling the precise formation of carbon-carbon double bonds. It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors for synthesizing novel active ingredients and functional intermediates.

Application

• Pharmaceutical Intermediate Synthesis: A crucial reagent for constructing α,β-unsaturated carbonyl systems found in various drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Development: Used in the synthesis of complex molecules for novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a key building block for synthesizing specialty chemicals, flavors, fragrances, and dyes.
• Academic & Industrial R&D: Essential for methodological development in organic chemistry and for creating novel polymers or materials with specific properties.
• Material Science: Potential use in the synthesis of organic semiconductors, liquid crystals, or other functional organic materials.

Basic Information

Product Name	Ethyl 3-Oxo-3-Phenyl-2-Triphenylphosphoranylidene-Propanoate
CAS No.	1474-31-3
Molecular Formula	C29H25O3P
Molecular Weight	452.48 g/mol
Synonyms	Ethyl (3-Oxo-3-phenyl-2-propenylidene)triphenylphosphorane; Ethyl 2-(Triphenylphosphoranylidene)-3-oxo-3-phenylpropanoate; (Carbethoxymethylene)triphenylphosphorane Benzophenone Adduct; Ethyl (Triphenylphosphoranylidene)benzoylacetate; ETPB; Wittig-Horner Reagent for Benzoylacetate; 2-(Triphenylphosphoranylidene)-3-oxo-3-phenylpropionic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our Ethyl 3-Oxo-3-Phenyl-2-Triphenylphosphoranylidene-Propanoate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided to guarantee the material meets the stringent requirements for research and process development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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