Description

(4-(Benzoyloxy)Butyl)Triphenylphosphonium Bromide is a high-purity, organophosphonium salt widely utilized as a key reagent in advanced organic synthesis. Its primary value lies in its role as a versatile Wittig reagent for the stereoselective synthesis of alkenes and as a phase-transfer catalyst, enabling critical transformations under mild conditions. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries, where it facilitates the production of complex intermediates and active ingredients.

Application

• Wittig Olefination Reactions: A crucial reagent for the synthesis of alkenes, particularly in the construction of complex natural products and pharmaceutical intermediates with precise stereochemistry.
• Phase-Transfer Catalysis (PTC): Facilitates reactions between reagents in immiscible phases, improving yields and efficiency in alkylation, esterification, and other key industrial processes.
• Pharmaceutical Intermediate Synthesis: Used in the multi-step synthesis of active pharmaceutical ingredients (APIs), especially for introducing olefinic functionalities.
• Agrochemical Manufacturing: Employed in the production of advanced crop protection agents and plant growth regulators.
• Material Science Research: Serves as a precursor or catalyst in the development of novel polymers, liquid crystals, and functional organic materials.
• Academic & Industrial R&D: A valuable tool for methodological development and exploratory chemistry in laboratory settings.

Basic Information

Product Name	(4-(Benzoyloxy)Butyl)Triphenylphosphonium Bromide
CAS No.	70359-30-7
Molecular Formula	C35H32BrO2P
Molecular Weight	595.51 g/mol
Synonyms	4-(Benzoyloxy)butyltriphenylphosphonium bromide; [4-(Benzoyloxy)butyl](triphenyl)phosphonium bromide; Triphenyl[4-(benzoyloxy)butyl]phosphonium bromide; (4-Benzoyloxybutyl)triphenylphosphonium bromide; Phosphonium, (4-(benzoyloxy)butyl)triphenyl-, bromide; PBBPBr; Wittig Reagent Derivative
EINECS	Contact for details

Quality Control

Our (4-(Benzoyloxy)Butyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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