4645-32-3

Usage

Uses

Used in Polymer and Copolymer Production:
Dimethyl vinylphosphonate is used as a monomer for the production of polymers and copolymers, which are essential in creating materials with specific properties for various applications.
Used in Flame Retardants:
It is used as a component in flame retardants, contributing to the development of materials that can resist ignition and slow the spread of fire.
Used in Adhesives:
Dimethyl vinylphosphonate is used as a component in adhesive formulations, enhancing the bonding properties and durability of adhesive products.
Used in Coatings:
It is utilized in the production of coatings to improve their performance characteristics, such as durability, resistance to environmental factors, and adhesion to various substrates.
Used in Pharmaceutical Synthesis:
Dimethyl vinylphosphonate is used as a building block in the synthesis of pharmaceuticals, where its reactivity with nucleophiles aids in the creation of new drug molecules.
Used in Agrochemical Synthesis:
It is employed in the synthesis of agrochemicals, playing a role in the development of products for agricultural applications, such as pesticides and fertilizers.
Used in Specialty Chemicals:
Dimethyl vinylphosphonate is used in the production of specialty chemicals, where its unique properties and reactivity contribute to the creation of niche chemical products.
It is important to handle dimethyl vinylphosphonate with care due to its toxic nature and potential to cause skin and eye irritation upon contact.

InChI:InChI=1/C4H9O3P/c1-4-8(5,6-2)7-3/h4H,1H2,2-3H3

Upstream product

• 186581-53-3 diazomethane 
• 1746-03-8 vinylphosphonic acid 
• 74-86-2 acetylene 
• 96-36-6 methyl phosphite 
• 59268-51-8 monomethyl vinylphosphonate 
• 512-56-1 trimethyl phosphite 
• 868-85-9 Dimethyl phosphite 
• 106-93-4 ethylene dibromide 
• 121-45-9 phosphorous acid trimethyl ester 
• 26119-41-5 dimethyl 2-chloroethylphosphonate 
• 67-56-1 methanol 
• 1438-74-0 vinyldichlorophosphine oxide 

Downstream Products

• 20545-25-9 (2,3-diphenyl-isoxazolidin-5-yl)-phosphonic acid dimethyl ester 
• 156393-78-1 2-(Benzhydrylidene-amino)-4-(dimethoxy-phosphoryl)-butyric acid ethyl ester 
• 58436-39-8 ethenylphosphine 
• 88691-17-2 (2-Chloro-1-phenylsulfanyl-ethyl)-phosphonic acid dimethyl ester 
• 185897-11-4 (2-{(2-{Bis-[2-(dimethoxy-phosphoryl)-ethyl]-phosphanyl}-phenyl)-[2-(dimethoxy-phosphoryl)-ethyl]-phosphanyl}-ethyl)-phosphonic acid dimethyl ester 
• 117993-78-9 (2-Methoxy-2-phenyl-cyclopropyl)-phosphonic acid dimethyl ester 

Relevant academic research and scientific papers

METHOD FOR PRODUCING ALKENYLPHOSPHORUS COMPOUND

PROBLEM TO BE SOLVED: To provide a method for producing an alkenylphosphorus compound. SOLUTION: According to a method for producing alkenylphosphorus compounds, a specific phosphorus compound and a specific alkynyl compound are reacted in the presence of a specific resin-carrying transition metal complex to produce a specific alkenylphosphorus compound. SELECTED DRAWING: Figure 1 COPYRIGHT: (C)2021,JPOandINPIT

Method for synthesizing allyl phosphonic acid derivative (by machine translation)

The invention mainly solves the problems, in the prior art that the catalyst cannot be recycled and acetylene pressure is high, and the method, comprises the following reaction, in the presence of a catalyst, wherein the catalyst comprises a cerium oxide and a palladium element, supported on a cerium oxide, and the technical problem, can be used in industrial production, of vinyl phosphonic acid esters better. (by machine translation)

METHOD FOR PRODUCING ALKENYL PHOSPHORUS COMPOUND

Provided is a method for producing an alkenyl phosphorus compound which can produce an alkenyl phosphorus compound efficiently even with a smaller amount of a catalyst used than that used conventionally, and further which can maintain catalytic activity to produce an alkenyl phosphorus compound in high yield even at a larger reaction scale, and which can also be applied to quantity synthesis at an industrial scale using a conventional batch reactor or continuous reactor. A method for producing an alkenyl phosphorus compound, comprising: a step of reacting a compound represented by the following formula (1): [In formula (1), R1 represents OR3 or R3, R2 represents OR4 or R4, and R3 and R4 represent, for example, each independently a substituted or unsubstituted alkyl group.] with a compound represented by the following formula (2): [in-line-formulae]R5—C≡CH??(2)[/in-line-formulae][In formula (2), R5 represents, for example, a hydrogen atom, or a substituted or unsubstituted alkyl group.]to produce the phosphorus alkenyl compound presented by at least any of the following formulas (3a) or (3b): [In formulas (3a) and (3b), R1 and R2 have the same meaning as defined in formula (1), and R5 has the same meaning as defined in formula (2).], In which the compound represented by formula (1) is reacted with the compound represented by formula (2) using a transition metal catalyst, and a phosphorus oxo acid compound having an intramolecular P—H bond.

PROCESS FOR PREPARING AN ALKENYLPHOSPHONIC ACID DERIVATIVE

Process for preparing an alkenylphosphonic acid derivative by reacting a phosphonic acid derivative with an alkyne in the presence of a complex catalyst system and a base whose conjugate acid has a pKa in dimethyl sulfoxide (25° C., 1 bar) of at least 6.

Preparation of vinylphosphonic acid compounds

A process for preparing vinylphosphonic acid compounds of the formula (I) 1where R1 and R2 are, independently, H, C1-16-alkyl, C6-12-aryl, C7-12-alkaryl or C7-12-aralkyl, it being possible for the organic radicals to be substituted by one or more halogen atoms, hydroxyl, acyl or acetoxy groups, by reacting phosphorous acid compounds of the formula (II) 2with acetylene in the presence of a Pd(O) complexe or Pt(O) complex as catalyst.

Preparation of vinylphosphonic acid compounds

A process for preparing vinylphosphonic acid compounds of the formula (I) where R1and R2are, independently, H, C1-16-alkyl, C6-12-aryl, C7-12-alkaryl or C7-12-aralkyl, it being possible for the organic radicals to be substituted by one or more halogen atoms, hydroxyl, acyl or acetoxy groups, by reacting phosphorous acid compounds of the formula (II) with acetylene in the presence of a Pd(O) complexe or Pt(O) complex as catalyst.

Process for the preparation of unsaturated phosphonic acid ester

A process for the preparation of an unsaturated phosphonic acid ester of the formula: EQU R1 CHC(R2)P(O)(OR3)2 PAL wherein an acetylene compound of the formula: EQU R1 CCR2 PAL is reacted with a secondary phosphite of the formula: EQU HP(O)(OR3)2 PAL in the presence of a palladium complex catalyst. The process is characterized in that the reaction is performed in the presence of water or in that the palladium complex catalyst contains, as a ligand, a 1,3-bisphosphinopropane of the formula: STR1 wherein R4, R5, R6 and R7 stand, independently from each other, for an alkyl group, a cycloalkyl group, an aralkyl group or an aryl group.

Process for the production of unsaturated phosphonic ester

An unsaturated phosphonic ester is produced by reaction of an acetylene compound with a secondary phosphite in the presence of a palladium complex catalyst.