Description

(Benzoylmethylene)Triphenylphosphorane is a versatile and highly reactive Wittig reagent, a key organophosphorus compound in synthetic organic chemistry. Its primary value lies in its ability to facilitate the efficient synthesis of alkenes from carbonyl compounds, offering excellent stereoselectivity under mild conditions. This reagent is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries, enabling the construction of complex molecular frameworks for active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate Synthesis: A crucial building block for constructing olefin-containing moieties in drug discovery and development.
• Agrochemical Production: Used in the synthesis of specific active ingredients for crop protection agents.
• Fine Chemical Manufacturing: Employed in the production of specialty chemicals, flavors, and fragrances requiring precise alkene formation.
• Material Science Research: Facilitates the creation of novel monomers and polymers with tailored properties for electronic or optical applications.
• Academic & R&D Laboratories: A fundamental reagent for methodological development and complex natural product synthesis.
• Olefination Reactions: Specifically for the preparation of α,β-unsaturated esters, ketones, and other electron-deficient alkenes.

Basic Information

Product Name	(Benzoylmethylene)Triphenylphosphorane
CAS No.	859-65-4
Molecular Formula	C26H21OP
Molecular Weight	380.42 g/mol
Synonyms	(Carbethoxymethylene)triphenylphosphorane; Benzoylmethylenetriphenylphosphorane; (Benzoylmethylene)triphenyl-λ5-phosphane; (2-Oxo-2-phenylethylidene)triphenylphosphorane; Triphenyl(benzoylmethylene)phosphorane; Wittig reagent ylide; EINECS 212-728-7
EINECS	212-728-7

Quality Control

Our (Benzoylmethylene)Triphenylphosphorane is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and titration methods, to ensure high chemical purity and consistent performance. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, confirming compliance with your specified requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term stability and to maintain reactivity.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	148 - 152 °C
Water Content (KF)	≤ 0.5%

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