Description

3-(Triphenylphosphoranylidene)Tetrahydropyran-2-One, 97% is a specialized organophosphorus compound, specifically a phosphorus ylide, widely used as a key reagent in advanced organic synthesis. Its primary value lies in its role as a versatile building block for constructing complex molecular frameworks, particularly through Wittig and related olefination reactions. This high-purity (97%) reagent is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for developing active ingredients and novel compounds. The product is supplied with the CAS Number 218282-19-0.

Application

• Pharmaceutical Intermediate Synthesis: A crucial reagent for constructing olefin-containing scaffolds in drug discovery and development, particularly for creating sterically demanding alkenes.
• Agrochemical Active Ingredient Production: Used in the synthesis of complex molecules for crop protection agents and pesticides.
• Advanced Material Research: Serves as a precursor in the development of organic electronic materials, ligands for catalysis, and specialty polymers.
• Academic & Industrial R&D: A valuable tool for methodology development and total synthesis of natural products in research laboratories.
• Fine Chemical Manufacturing: Employed in the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	3-(Triphenylphosphoranylidene)Tetrahydropyran-2-One, 97%
CAS No.	218282-19-0
Molecular Formula	C23H21O2P
Molecular Weight	360.39 g/mol
Synonyms	3-(Triphenylphosphoranylidene)dihydro-2H-pyran-2-one; 2H-Pyran-2-one, 3-(triphenylphosphoranylidene)dihydro-; 3-(Triphenyl-λ5-phosphanylidene)-3,4-dihydro-2H-pyran-2-one; Wittig Reagent derived from Tetrahydropyran-2-one; (2-Oxo-3,4-dihydro-2H-pyran-3-ylidene)triphenylphosphorane
EINECS	Contact for details

Quality Control

Our 3-(Triphenylphosphoranylidene)Tetrahydropyran-2-One, 97% is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity confirmation and NMR for structural verification, to ensure it meets the specified 97% minimum purity. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat, sparks, and open flames. The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.