CAS: 21646-99-1; Diethoxyphosphanyl Diethyl Phosphite

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CAS号762-04-9 亚磷酸二乙酯 | CAS号589-57-1 二乙基亚磷酰氯 | CAS号17507-52-7 1-[diethoxyphos... | CAS号682-24-6 Diphosphorus(II... | CAS号2303-76-6 diethyl sodium ... | CAS号17997-33-0 (二乙氧基甲基)膦酸二乙酯 | CAS号814-49-3 氯磷酸二乙酯 | CAS号122-52-1 亚磷酸三乙酯 | CAS号74756-79-9 ethylP-(diethox... | CAS号108-85-0 溴代环己烷 | CAS号919-19-7 乙酰亚磷酸二乙酯 | CAS号3689-24-5 治螟磷 | CAS号13274-84-5 1-[bis(chlorome... | CAS号589-57-1 二乙基亚磷酰氯 | CAS号866-23-9 (三氯甲基)膦酸二乙酯 | CAS号814-49-3 氯磷酸二乙酯 | CAS号762-04-9 亚磷酸二乙酯 | CAS号74-96-4 溴乙烷 | CAS号65600-72-8 ethyl P-(dietho... | CAS号122-52-1 亚磷酸三乙酯

📜二乙基亚磷酰氯置于silver(I) Nitrite,Sodium Amalgam体系中,用 苯 用作溶剂,化学反应生成四乙基焦亚磷酸盐
参考文献:675.亚硝酰氯与膦酸二烷基酯反应的机理(michalski-Zwierzak反应)
标题:675.亚硝酰氯与膦酸二烷基酯反应的机理(michalski-Zwierzak反应)
摘要:
Doi:10.1039/jr9630003582

专利信息

专利号:US-10364262-B2
优先权日:2012-07-17
标 题 :Method for the synthesis of N-phosphonomethyliminodiacetic acid
发明人：DEVAUX ALBERT; BURCK SEBASTIAN; NOTTE PATRICK
权利人:MONSANTO TECHNOLOGY LLC
摘要:A method for synthesis of N-phosphonoalkyliminodiacetic acid or derivatives thereof by forming a reaction mixture having an acid catalyst, a compound of the following general formula R1—CH2—NX—CH2—R2 and a compound having one or more P—O—P anhydride moieties to form a compound having a formula R1—CH2—N(—CH2PO3R32)(—CH2—R2) wherein in R1—CH2—NX—CH2—R2: X is —CH2—OH or —CH2—COOH; R1 and R2 are independently selected from the group consisting of nitrile, C1-C4 alkyl carboxylate, and carboxylic acid for when X is —CH2—OH, or R1 and R2 are both carbonyl groups linked by a hydrogen substituted nitrogen atom or a C1-C4-alkyl substituted nitrogen atom; and R3 is H, an alkyl group, or an aryl group; the anhydride moieties in the P—O—P anhydride compound have one P atom at the oxidation state (+III) and one P atom at the oxidation state (+III) or (+V); and 2) hydrolyzing the mixture to form N-phosphonomethyliminodiacetic acid or one of its derivatives.

专利号:US-10280189-B2
优先权日:2012-07-17
标题:Method for the synthesis of aminoalkylenephosphonic acid
发明人：BURCK SEBASTIAN; LECLERCQ CEDRIC NICOLAS; NOTTE PATRICK
权利人:MONSANTO TECHNOLOGY LLC
摘要:A method for the synthesis of an aminoalkylenephosphonic acid or its phosphonate esters including the following steps: a) forming, in the presence of an aldehyde or ketone and an acid catalyst, a reaction mixture by mixing a compound having at least one HNR 1 R 2 moiety or a salt thereof, with a compound having one or more P—O—P anhydride moieties, the moieties having one P atom at the oxidation state (+III) and one P atom at the oxidation state (+III) or (+V), wherein the ratio of moles of aldehyde or ketone to N—H moieties is 1 or more and wherein the ratio of N—H moieties to P—O—P anhydride moieties is 0.3 or more, and b) recovering the resulting aminoalkylenephosphonic acid having compound or its phosphonate esters.

专利号:US-9676799-B2
优先权日:2012-07-17
标 题 :Method for the synthesis of N-(phosphonomethyl)glycine
发明人：BURCK SEBASTIAN; BRUYNEEL FREDERIC; NOTTE PATRICK
权利人:STRAITMARK HOLDING AG
摘要:A method for the synthesis of N-(phosphonomethyl)glycine or one of its derivatives selected from the group consisting of its salts, its phosphonate esters, or its phosphonate ester salts, which includes the steps of: a) forming, in the presence an acid catalyst, a reaction mixture having 2,5-diketopiperazine, formaldehyde and a compound including one or more P-0-P anhydride moieties, the moieties having one P atom at the oxidation state (+III) and the other P atom at the oxidation state (+III) or (+V), to form N,N′-bisphosphonomethyl-2,5-diketopiperazine, its mono- to tetra phosphonate esters, the dehydrated forms of N,N′-bisphosphonomethyl-2,5-diketopiperazine and the phosphonate esters of its dehydrated forms; and b) hydrolyzing the N,N′-bisphosphonomethyl-2,5-diketopiperazine, its dehydrated forms or their phosphonate esters to obtain N-(phosphonomethyl)glycine or one of its derivatives selected from the group consisting of its salts, its phosphonate esters and its phosphonate ester salts.

专利号:US-10464958-B2
优先权日:2012-07-17
标题 :Method for the synthesis of alpha-aminoalkylenephosphonic acid
发明人：NOTTE PATRICK; COGELS SAMUEL; BURCK SEBASTIAN
权利人:MONSANTO TECHNOLOGY LLC
摘要:The present invention is related to a new method for the synthesis of alpha-aminoalkylenephosphonic acid or its phosphonate esters comprising the steps of forming a reaction mixture by mixing a P—O—P anhydride moiety comprising compound, having one P-atom at the oxidation state (+III) and the other P-atom at the oxidation state (+III) or (+V), an aminoalkanecarboxylic acid and an acid catalyst, wherein said reaction mixture comprises an equivalent ratio of alpha-aminoalkylene carboxylic acid to P—O—P anhydride moieties of at least 0.2, and recovering the resulting alpha-aminoalkylene phosphonic acid compound or an ester thereof from the reaction mixture.

专利号:US-9150599-B2
优先权日:2012-07-17
标 题 :Method for the synthesis of N-(phosphonomethyl)glycine
发明人：BURCK SEBASTIAN; NOTTE PATRICK
权利人:STRAITMARK HOLDING AG
摘要:A method for the synthesis of N-(phosphonomethyl) glycine or one of its derivatives selected from the group of its salts, its phosphonate esters and its phosphonate ester salts, including the steps of: a) forming a reaction mixture having an acid catalyst, N,N′-bis(carboxymethyl)-2,5-diketopiperazine and a compound having one or more P—O—P anhydride moieties, wherein the moieties have one P atom at the oxidation state (+III) and the other P atom at the oxidation state (+III) or (+V), to form N,N′-bis(phosphonomethyl)-2,5-diketopiperazine, its dehydrated forms or their phosphonate esters; b) hydrolyzing the reaction mixture to form N-(phosphonomethyl)glycine or one of its derivatives selected from the group consisting of its salts, its phosphonate esters and its phosphonate ester salts.

专利号:US-4963681-A
优先权日:1987-07-06
标题:Process for synthesis of aminomethylene phosphonoalkylphosphinates
发明人：EBETINO FRANK H
权利人:NORWICH EATON PHARMA
摘要:The present invention involves processes for making aminomethylene phosphonoalkylphosphinate compounds comprising: n (a) heating a substantially anhydrous mixture comprising an amine, an ester of an alkyl phosphite, and an ester of a phosphate acetal; and then n (b) adding water to the mixture.