4363-06-8Relevant academic research and scientific papers
Method for the production of monofunctionalized dialkylphosphinic acids, esters and salts, and use thereof
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Page/Page column 28, (2016/03/26)
The invention relates to a method for producing monofunctionalized dialkylphosphinic acids, esters, and salts, characterized in that a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous ac
Method for the production of alkylphosphonic acids, esters, and salts by oxidizing alkylphosphonous acids, and use thereof
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Page/Page column 22; 23, (2015/05/05)
The invention relates to a method for producing monocarboxy-functionalized dialkylphosphinic acids, esters, and salts, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salt or ester (II) thereof, and b) the obtained alkylphosphonous acid, the salt or ester (II) thereof is reacted with an oxidizing agent or with an oxidizing agent and water or with oxygen and water in the presence of a catalyst B to obtain the alkylphosphonic acid derivative (III), wherein R1, R2, R3, R4 are identical or different from each other and independently represent, inter alia, H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, X and Y are identical or different from each other and independently represent H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonated nitrogenous base, and catalysts A and B are transition metals and/or transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand.
Method for the production of monohydroxy-functionalized dialkylphosphinic acids, esters, and salts using ethylene oxide, and use thereof
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Page/Page column 21; 22, (2015/03/28)
A method for producing monohydroxy-functionalized dialkylphosphinic acids, esters, and salts, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salt or ester (II) thereof, b) the obtained alkylphosphonous acid, the salt or ester (II) thereof is reacted with alkylene oxides of formula (V) in the presence of a catalyst B to obtain a monofunctionalized dialkylphosphinic acid derivative (III), catalyst A represents transition metals and/or transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand, and catalyst B is a Lewis acid.
Method for producing mono-carboxy-functionalized dialkylphosphinic acids, esters and salts using a vinyl ether and the use thereof
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Page/Page column 25, (2015/03/28)
A method for producing mono-carboxy-functionalized dialkylphosphinic acids, esters and salts using a vinyl ether. The method is characterized by the following steps: a) reacting a phosphinic acid source (I) with olefins (IV) in the presence of a catalyst A to give an alkylphosphonous acid, the salt or the ester (II) thereof, b) reacting the alkylphosphonous acid so obtained, the salt or the ester (II) thereof with a vinyl ether of formula (V) in the presence of a catalyst B to give a mono-functionalized dialkylphosphinic acid derivative (VI) and c) reacting this derivative (VI) with an oxidant or in the presence of a catalyst C to give a mono-carboxy-functionalized dialkylphosphinic acid derivative (III), wherein the catalysts A and C are transition metals and/or transition metal compounds, and the catalyst B is a peroxide-forming compound and/or a peroxo compound and/or an azo compound.
Method for producing mono-hydroxy-functionalized dialkylphosphinic acids, esters and salts using a vinyl ester of a carobxylic acid and the use thereof
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Page/Page column 24, (2015/07/07)
A method for producing mono-hydroxy-functionalized dialkylphosphinic acids, esters and salts. The method is includes: a) reacting a phosphinic acid source (I) with olefins (IV) in the presence of a catalyst A to give an alkylphosphonous acid, the salt or the ester (II) thereof, b) reacting the alkylphosphonous acid so obtained, the salt or the ester (II) thereof with a vinyl ester of a carboxylic acid of formula (V) in the presence of a catalyst B to give a mono-functionalized dialkylphosphinic acid derivative (VI) and c) reacting the mono-functionalized dialkylphosphinic acid derivative (VI) so obtained in the presence of a catalyst C to give a mono-hydroxy-functionalized dialkylphosphinic acid derivative (III), the catalyst A is a transition metal, a transition metal compound or a catalyst system including a transition metal, or a transition metal compound and at least one ligand, and the catalyst B is a peroxide-forming compound and/or a peroxo compound or an azo compound, and the catalyst C is an acid or a base.
Process for preparing mono-carboxy-functionalized dialkylphosphinic acids, esters and salts by means of alkylene oxides and use thereof
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Page/Page column 24; 25, (2015/07/27)
A process for preparing mono-carboxy-functionalized dialkylphosphinic acids, dialkylphosphinic esters and dialkylphosphinic salts by means of alkylene oxides, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to form an alkylphosphonous acid, its salt or ester (II), b) the resultant alkylphosphonous acid, its salt or ester (II) is reacted with alkylene oxides of the formula (V) in the presence of a catalyst B, to give a mono-functionalized dialkylphosphinic acid derivative (VI), and c) the resultant mono-functionalized dialkylphosphinic acid derivative (VI) is reacted in the presence of a catalyst C to give the mono-carboxy-functionalized dialkylphosphinic acid derivative (III), and the catalysts A and C are transition metals and/or transition-metal compounds and/or catalyst systems which are composed of a transition metal and/or a transition-metal compound and at least one ligand, and the catalyst B is a Lewis acid.
Method for producing dialkylphosphinic acids and esters and salts thereof by means of allyl alcohols-acroleins and use thereof
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Page/Page column 27, (2015/11/10)
The invention relates to a method for producing mono-carboxyfunctionalized dialkylphosphinic acids and esters and salts thereof, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkyl phosphonic acid, salt, salt or ester (II) thereof is reacted with compounds of formula (V) and/or (VI′) to yield mono-functionalized dialkylphosphinic acid derivatives (VI) and/or (VI′) in the presence of a catalyst B, and c) the thus obtained mono-functionalized dialkylphosphinic acid derivatives (VI) and/or (VI′) are reacted to yield a mono-carboxyfunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst C, wherein R1, R2, R3, R4, R5, R6, R7 are the same or different and stand independently of each other, among other things, for H1 C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, and X and Y are the same or different and stand independently of each other for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and the catalysts A and C are formed by transition metals and/or transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand, and catalyst B is formed by compounds forming peroxides and/or peroxo compounds and/or azo compounds and/or alkali metals and/or alkaline earth metals, alkali hydrides, alkaline earth hydrides and/or alkali alcoholates and alkaline earth alcoholates.
Process for preparing ethylenedialkylphosphinic acids, esters and salts by means of acetylene and use thereof
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Page/Page column 23; 24, (2015/12/01)
A process for preparing ethylenedialkylphosphinic acids, ethylenedialkylphosphinic esters and ethylenedialkylphosphinic salts, wherein a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to give an alkylphosphonous acid, its salt or ester (II), b) the resultant alkylphosphonous acid, its salt or ester (II) is reacted with an acetylenic compound (V) in the presence of a catalyst B, to give the ethylenedialkylphosphinic acid derivative (III), and the catalyst A comprises transition metals, transition-metal compounds and/or catalyst systems which are composed of a transition metal and/or a transition-metal compound and at least one ligand, and the catalyst B comprises peroxide-forming compounds, peroxo compounds and/or azo compounds.
Method for producing dialkylphosphinic acids and esters and salts thereof by means of acrylic acid derivatives and use thereof
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Page/Page column 24; 25, (2014/03/25)
The invention relates to a method for producing mono-carboxyfunctionalized dialkylphosphinic acids and esters and salts thereof, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the alkylphosphonic acid thus obtained, salt or ester (II) thereof is reacted with an α,β-unsaturated carboxylic acid derivative (V) to yield a mono-carboxyfunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst B, wherein R1, R2, R3, R4, R5, R6, R7 are the same or different and stand independently of each other, among other things, for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, and X and Y are the same or different and stand independently of each other for H, C1-C18 alkyl, C6-C18 aryl, C6-C18 aralkyl, C6-C18 alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonized nitrogen base, and the catalyst A is formed by transition metals and/or transition metal compounds and/or catalyst systems composed of a transition metal and/or a transition metal compound and at least one ligand, and catalyst B is formed by compounds forming peroxides and/or peroxo compounds and/or azo compounds and/or alkali metals and/or alkaline earth metals, alkali hydrides, alkaline earth hydrides and/or alkali alcoholates and alkaline earth alcoholates.
Process for preparing mono-allyl-functionalized dialkylphosphinic acids, salts and esters thereof with allylic compounds, and the use thereof
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Page/Page column 22, (2014/07/21)
The invention relates to a process for preparing mono-allyl-functionalized dialkylphosphinic acids, esters and salts with allylic compounds, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to give an alkylphosphonous acid, or salt or ester thereof (II), b) the alkylphosphonous acid, or salt or ester thereof (II) thus formed is reacted with allylic compounds of the formula (V) in the presence of a catalyst B and of a base to give a mono-allyl-functionalized dialkylphosphinic acid derivative (III), where R1, R2, R3, R4, R5, R6, R7, R8, R9 are the same or different and are each independently, inter alia, H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, and X is H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonated nitrogen base, and the catalysts A and B are transition metals and/or transition metal compounds and/or catalyst systems which are composed of a transition metal and/or a transition metal compound and at least one ligand.
