Description

Ethyl 3-Oxo-4-(Triphenylphosphoranylidene)Butyrate is a high-value Wittig-Horner reagent, a stabilized phosphonate ylide widely used in organic synthesis. Its primary value lies in enabling the efficient construction of α,β-unsaturated carbonyl systems, a crucial step in synthesizing complex molecules. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries.

Application

• Pharmaceutical Intermediate Synthesis: Key building block for creating α,β-unsaturated esters and ketones, common motifs in active pharmaceutical ingredients (APIs).
• Agrochemical Development: Used in the synthesis of complex organic molecules for novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Facilitates the synthesis of flavors, fragrances, and other specialty chemicals requiring specific alkene geometries.
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and polymers with tailored electronic properties.
• Academic & R&D Laboratories: A fundamental reagent for methodology development and complex natural product synthesis.

Basic Information

Product Name	Ethyl 3-Oxo-4-(Triphenylphosphoranylidene)Butyrate
CAS No.	13148-05-5
Molecular Formula	C24H23O3P
Molecular Weight	390.41 g/mol
Synonyms	Ethyl (3-Oxo-4-(triphenyl-λ⁵-phosphanylidene)butanoate; Ethyl 4-(Triphenylphosphoranylidene)acetoacetate; (Carbethoxymethylene)triphenylphosphorane; Ethyl 2-(Triphenylphosphoranylidene)acetate Homolog; Triethyl Phosphonoacetate Homolog; Witting-Horner Reagent; Stabilized Phosphonate Ylide
EINECS	Contact for details

Quality Control

Every batch of Ethyl 3-Oxo-4-(Triphenylphosphoranylidene)Butyrate is manufactured and tested under a strict quality management system. We ensure high purity and consistency to meet the rigorous demands of synthetic chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee reliable performance in your critical reactions.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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