Description

9-(Triphenylphosphoranylidene)-9H-Fluorene-2-Carbonitrile is a specialized organophosphorus compound featuring a ylide structure. This chemical serves as a valuable reagent in advanced organic synthesis, particularly for the construction of complex molecular architectures. It is primarily utilized by research institutions and industrial R&D departments focused on pharmaceuticals, agrochemicals, and materials science.

Application

• Wittig Reaction Reagent: A key precursor for the synthesis of alkenes via the Wittig olefination, enabling the formation of carbon-carbon double bonds with high stereoselectivity.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs), especially for constructing conjugated systems and complex heterocycles.
• Agrochemical Synthesis: Employed in creating novel pesticide and herbicide molecules that require specific olefinic linkages.
• Materials Science Research: Acts as a building block for organic semiconductors, light-emitting materials (OLEDs), and other functional organic materials due to its extended π-conjugated fluorene system.
• Academic & Industrial R&D: A versatile tool for synthetic organic chemists exploring new methodologies and reaction pathways in catalysis and total synthesis.

Basic Information

Product Name	9-(Triphenylphosphoranylidene)-9H-Fluorene-2-Carbonitrile
CAS No.	7293-78-9
Molecular Formula	C32H22NP
Molecular Weight	451.50 g/mol
Synonyms	2-Cyano-9-(triphenylphosphoranylidene)fluorene; Fluorene-2-carbonitrile, 9-(triphenylphosphoranylidene)-; 9-(Triphenyl-λ5-phosphanylidene)fluorene-2-carbonitrile; 2-Cyano-9-triphenylphosphoranylidenefluorene; Wittig Reagent derived from 2-Cyanofluorene; (2-Cyano-9-fluorenylidene)triphenylphosphorane
EINECS	Contact for details

Quality Control

Our production of 9-(Triphenylphosphoranylidene)-9H-Fluorene-2-Carbonitrile adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized by modern analytical techniques, and a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided. We support cGMP and ISO-aligned practices for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its moisture-sensitive and easily oxidized nature, the container must be kept sealed and handled under anhydrous conditions to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange 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.