Description

4-Methyl-1-(Triphenyl-Lambda5-Phosphanylidene)-Pentan-2-One is a specialized organophosphorus compound, specifically a phosphorus ylide, known for its role as a key reagent in synthetic organic chemistry. Its primary value lies in its ability to facilitate the formation of carbon-carbon double bonds via Wittig and related olefination reactions, enabling the synthesis of complex organic molecules. This high-purity intermediate is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable and consistent building blocks for R&D and scale-up.

Application

• Wittig Reaction Reagent: A critical component for the synthesis of alkenes from carbonyl compounds, widely used in constructing complex molecular frameworks.
• Pharmaceutical Intermediate: Employed in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring specific alkene geometries.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators that contain olefinic structures.
• Material Science Research: Serves as a precursor for creating novel organic molecules with potential applications in organic electronics and functional polymers.
• Academic & Industrial R&D: A valuable tool for method development and exploratory synthesis in university and corporate research laboratories.
• Fine Chemical Production: Integral to the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Item	Details
Product Name	4-Methyl-1-(Triphenyl-Lambda5-Phosphanylidene)-Pentan-2-One
CAS No.	27653-95-8
Molecular Formula	C24H23OP
Molecular Weight	358.42 g/mol
Synonyms	4-Methyl-1-(triphenyl-λ⁵-phosphanylidene)pentan-2-one; (4-Methyl-2-oxopentylidene)triphenylphosphorane; Isovaleryl methylenetriphenylphosphorane; Triphenyl(4-methyl-2-oxopentylidene)phosphorane; 27653-95-8; Phosphorane, triphenyl(4-methyl-2-oxopentylidene)-; Isovaleryl methylene triphenyl phosphorane
EINECS	Contact for details

Quality Control

Our production of 4-Methyl-1-(Triphenyl-Lambda5-Phosphanylidene)-Pentan-2-One adheres to stringent quality protocols to ensure batch-to-batch consistency and high reactivity. Each lot is characterized using advanced analytical techniques, including NMR and HPLC, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and easily oxidized nature, store under an inert atmosphere (argon or nitrogen) in a cool, dry place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.