51638-00-7

Basic information

• Product Name: Phosphonic acid, [2-(4-chlorophenyl)-2-oxoethyl]-, dimethyl ester
• CAS NO: 51638-00-7
• Molecular Formula: C10H12ClO4P
• Molecular Weight: 262.63
• Mol File: 51638-00-7.mol
• Article Data: 7

Chemical Properties

• CAS DataBase Reference: Phosphonic acid, [2-(4-chlorophenyl)-2-oxoethyl]-, dimethyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: Phosphonic acid, [2-(4-chlorophenyl)-2-oxoethyl]-, dimethyl ester(51638-00-7)
• EPA Substance Registry System: Phosphonic acid, [2-(4-chlorophenyl)-2-oxoethyl]-, dimethyl ester(51638-00-7)

Safety Data

• Hazardous Substances Data: 51638-00-7(Hazardous Substances Data)

Upstream product

• 536-38-9 4-chlorobenzoylmethyl bromide 
• 121-45-9 phosphorous acid trimethyl ester 
• 937-20-2 p-chlorophenacyl chloride 
• 1126-46-1 Methyl 4-chlorobenzoate 
• 756-79-6 dimethyl methane phosphonate 
• 1073-67-2 4-vinylbenzyl chloride 
• 868-85-9 Dimethyl phosphite 

Downstream Products

• 87271-79-2 C₉H₉ClO₄P^(1-)*Na⁽¹⁺⁾ 
• 1306786-93-5 (S)-dimethyl 1-chloro-1-fluoro-2-(4-chlorophenyl)-2-oxoethylphosphonate 
• 1415922-81-4 dimethyl (1-acetamido-2-(4-chlorophenyl)-2-oxoethyl)phosphonate 
• 1415922-50-7 dimethyl (1-acetamido-2-(4-chlorophenyl)-2-hydroxyethyl)phosphonate 
• 32095-96-8 methyl (E)-4-(4-chlorophenyl)-2-methyl-4-oxobut-2-enoate 

Relevant articles and documents

Highly Chemo- And Enantioselective Hydrogenation of 2-Substituted-4-oxo-2-alkenoic Acids

The highly chemo- and enantioselective hydrogenation of (E)-2-substituted-4-oxo-2-alkenoic acids was established for the first time using the Rh/JosiPhos complex, affording a series of chiral α-substituted-γ-keto acids with excellent results (up to 99% yield and >99% ee) and high efficiency (up to 3000 TON). In addition, the importance of this methodology was further demonstrated by a concise and gram-scale synthesis of the anti-inflammatory drug (R)-flobufen.

Copper ferrite nanoparticles catalyzed formation of β-Ketophosphonates via oxyphosphorylation of styrenes with H-phosphonates: A DFT study on UV–vis absorption spectra

Typical copper ferrite nanoparticles (CuFe2O4) were used as a catalyst for one-pot synthesis of β-ketophosphonates via the reaction of alkenes with H-phosphonates under conventional heating conditions. The catalyst was prepared by using the coprecipitation method and was analyzed by physiochemical techniques. By using this catalyst system, several types of useful and new β-ketophosphonate products were obtained in very good to excellent yields under optimized reaction conditions in a novel way. Furthermore, the catalyst is recyclable and reusable from the reaction.

Diastereo- and enantioselective asymmetric hydrogenation of α-amido-β-keto phosphonates via dynamic kinetic resolution

Dynamic kinetic resolution of various α-amido-β-keto phosphonates via asymmetric hydrogenation proceeded efficiently to give the corresponding β-hydroxy-α-amido phosphonates in high diastereo- and enantioselectivities (up to 99:1 syn/anti, 99.8% ee). The addition of catalytic amounts of CeCl3 3 7H2O is necessary to achieve both good selectivity and catalytic efficiency under mild reaction conditions.