Description

(Triphenylphosphoranylidene)Ketene is a highly reactive and versatile Wittig-type reagent, specifically a ketene ylide. This compound is valued for its unique ability to act as a source of ketene equivalents in cycloaddition and annulation reactions, enabling the efficient construction of complex heterocyclic and carbocyclic frameworks. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for synthesizing novel compounds and fine chemicals.

Application

• Pharmaceutical Intermediate Synthesis: Key building block for constructing β-lactams, cyclobutanones, and other strained ring systems prevalent in active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides through [2+2] and other cycloaddition pathways.
• Material Science: Facilitates the synthesis of specialized monomers and polymers with unique thermal or optical properties.
• Organic Methodology Development: A critical reagent in academic and industrial R&D for developing new catalytic and stoichiometric carbon-carbon bond-forming reactions.
• Fine Chemical Production: Employed in the multi-step synthesis of complex natural product analogs and specialty chemicals.

Basic Information

Product Name	(Triphenylphosphoranylidene)Ketene
CAS No.	15596-07-3
Molecular Formula	C20H15OP
Molecular Weight	302.31 g/mol
Synonyms	Triphenylphosphoranylideneketene; Ketene, (triphenylphosphoranylidene)-; 2,2-(Triphenyl-λ5-phosphanylidene)ethenone; (Triphenylphosphanylidene)ketene; Ketene triphenylphosphorane; Wittig Ketene Reagent
EINECS	Contact for details

Quality Control

Our (Triphenylphosphoranylidene)Ketene is produced and handled under strict quality protocols to ensure batch-to-batch consistency and reliability for sensitive synthetic applications. Each lot undergoes comprehensive analytical characterization, including NMR and HPLC analysis, to confirm identity and purity. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and degradation. The container should be kept in a cool, dry, and well-ventilated area, away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Melting Point	Contact for details
Solubility	Soluble in common organic solvents (THF, DCM, toluene)

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