Description

(4-Phenyl-2-Oxo-3-Butenyl)Phosphonic Acid Diethyl Ester is a specialized organophosphorus compound that serves as a valuable synthetic intermediate and building block in advanced chemical synthesis. Its unique structure, featuring both a phosphonate ester and an α,β-unsaturated ketone moiety, makes it a versatile precursor for constructing complex molecular architectures. This chemical is primarily utilized by research institutions and industrial R&D departments focused on pharmaceuticals, agrochemicals, and materials science.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring phosphonate or vinyl ketone functional groups.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators where the phosphonate group can mimic biological phosphates.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the development of specialty polymers, coatings, and flame-retardant materials.
• Chemical Research Reagent: Employed in organic synthesis laboratories for Horner-Wadsworth-Emmons (HWE) olefination reactions to generate substituted alkenes with high stereoselectivity.
• Ligand Synthesis: A starting material for the preparation of specialized phosphonate-based ligands used in catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	(4-Phenyl-2-Oxo-3-Butenyl)Phosphonic Acid Diethyl Ester
CAS No.	59870-82-5
Molecular Formula	C14H19O4P
Molecular Weight	282.27 g/mol
Synonyms	Diethyl (4-Phenyl-2-oxo-3-butenyl)phosphonate; Diethyl (4-Phenyl-2-oxobut-3-en-1-yl)phosphonate; 3-Buten-2-one, 4-phenyl-, 1-(diethylphosphonate); 1-(Diethoxyphosphoryl)-4-phenyl-3-buten-2-one; (4-Phenyl-2-oxo-3-butenyl)phosphonic acid diethyl ester; Phenylvinylketone diethyl phosphonate; (E/Z)-Diethyl (4-phenyl-2-oxobut-3-en-1-yl)phosphonate
EINECS	Contact for details

Quality Control

Our (4-Phenyl-2-Oxo-3-Butenyl)Phosphonic Acid Diethyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure consistency and reliability for your synthetic processes. A Certificate of Analysis (COA) detailing specific results for purity, identity, and impurities is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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