[EN] METHOD FOR THE SYNTHESIS OF ALPHA-AMINOALKYLENEPHOSPHONIC ACID<br/>[FR] PROCÉDÉ DE SYNTHÈSE D'ACIDE ALPHA-AMINOALKYLÈNEPHOSPHONIQUE
申请人:STRAITMARK HOLDING AG
公开号:WO2014012990A1
公开(公告)日:2014-01-23
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 (+111) and the other P-atom at the oxidation state (+111) 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.
Method for the synthesis of alpha-aminoalkylenephosphonic acid
申请人:Monsanto Technology LLC
公开号:US10464958B2
公开(公告)日:2019-11-05
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.
本发明涉及一种合成α-氨基烷基膦酸或其膦酸酯的新方法,该方法包括以下步骤:将包含化合物的P-O-P酸酐分子混合形成反应混合物、其中一个 P 原子处于氧化态 (+III),另一个 P 原子处于氧化态 (+III) 或 (+V),一种氨基烷烃羧酸和一种酸催化剂,其中所述反应混合物中 α-氨基烷烃羧酸与 P-O-P 酸酐分子的当量比至少为 0.2,并从反应混合物中回收得到的α-氨基烷基膦酸化合物或其酯。
KREUTZKAMP; MENGEL, Archiv der Pharmazie, 1962, vol. 295 /67, p. 773 - 779
作者:KREUTZKAMP、MENGEL
DOI:——
日期:——
METHOD FOR THE SYNTHESIS OF ALPHA-AMINOALKYLENEPHOSPHONIC ACID