Description

tert-Butyl(Triphenylphosphoranylidene)Acetate is a specialized Wittig reagent widely used in organic synthesis for the preparation of α,β-unsaturated esters. This compound matters for its critical role in constructing carbon-carbon double bonds with high stereoselectivity and yield, enabling the synthesis of complex molecules. It is primarily needed by researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for constructing olefinic linkages in drug discovery and development, particularly for APIs.
• Agrochemical Production: Used in the synthesis of active ingredients for crop protection agents and pesticides.
• Fine Chemical Manufacturing: Essential for producing specialty esters, fragrances, and flavor precursors.
• Material Science Research: Employed in the synthesis of monomers and polymers with specific unsaturated functionalities.
• Academic & Industrial R&D: A fundamental tool for organic chemists in methodology development and complex natural product synthesis.
• Peptide Modification: Used in the synthesis of dehydroamino acid derivatives for modified peptides.

Basic Information

Product Name	tert-Butyl(Triphenylphosphoranylidene)Acetate
CAS No.	35000-38-5
Molecular Formula	C24H25O2P
Molecular Weight	376.43 g/mol
Synonyms	tert-Butyl (Triphenylphosphoranylidene)acetate; (tert-Butoxycarbonylmethylene)triphenylphosphorane; tert-Butyl 2-(triphenyl-λ5-phosphanylidene)acetate; (Carboxy-tert-butoxymethylene)triphenylphosphorane; tert-Butyl (triphenylphosphoranylidene)ethanoate; Wittig Reagent (tert-butyl ester); t-BuO2CCH=PPh3; Acetic acid, 2-(triphenylphosphoranylidene)-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our tert-Butyl(Triphenylphosphoranylidene)Acetate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and titration, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C under an inert atmosphere (argon or nitrogen) due to its sensitivity to moisture and oxidation. Allow the container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	White to pale yellow 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.