Description

2-(Triphenylphosphoranylidene)Succinic Anhydride is a specialized organophosphorus reagent featuring a reactive ylide moiety adjacent to a cyclic anhydride. This unique structure makes it a valuable building block in synthetic organic chemistry, particularly for the construction of complex molecules and heterocycles. It is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for advanced synthesis and method development.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent for constructing complex molecular scaffolds, including heterocyclic compounds with potential biological activity.
• Wittig and Related Olefination Reactions: Serves as a stabilized ylide precursor for the synthesis of alkenes and unsaturated carboxylic acid derivatives.
• Polymer Chemistry: Used in the research and development of specialty polymers and functional materials.
• Agrochemical Research: Employed in the synthesis of novel active ingredients and experimental compounds.
• Academic & Industrial R&D: A versatile tool for methodology development and exploring new synthetic pathways in organic chemistry.
• Fine Chemical Production: Applied in the multi-step synthesis of high-value, low-volume specialty chemicals.

Basic Information

Product Name	2-(Triphenylphosphoranylidene)Succinic Anhydride
CAS No.	906-65-0
Molecular Formula	C22H17O3P
Molecular Weight	360.34 g/mol
Synonyms	2-(Triphenylphosphoranylidene)succinic anhydride; (Carboxyethylidene)triphenylphosphorane cyclic anhydride; Succinic anhydride, 2-(triphenylphosphoranylidene)-; Triphenylphosphoranylidenesuccinic anhydride; 2-(Triphenyl-λ5-phosphanylidene)succinic anhydride; Itaconic anhydride triphenylphosphorane adduct; TPPSA
EINECS	Contact for details

Quality Control

Our 2-(Triphenylphosphoranylidene)Succinic Anhydride is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and a Certificate of Analysis (COA) with key parameters including assay, melting point, and impurity profile. Our quality systems support development and cGMP manufacturing needs for advanced intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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