Preparation of Dialkyl 1-(Alkylamino)alkylphosphonates, Alkyl [1-(Alkylamino)alkyl]phenylphosphinates and [1-(Alkylamino)alkyl]diphenylphosphine Oxides via ‘In Situ’ Generated Iminium Ions
作者:Mirosaw Soroka、Waldemar Goldeman
DOI:10.1055/s-0029-1218817
日期:2010.7
The reaction of trialkyl phosphites, dialkyl phenylphosphonites or alkyl diphenylphosphinites with N-alkylalkanimines in the presence of hydrogen chloride gives dialkyl 1-(alkylamino)alkylphosphonates, alkyl [1-(alkylamino)alkyl]phenylphosphinates or [1-(alkylamino)alkyl]diphenylphosphine oxides respectively, via Arbusov-like reaction of iminium salts generated ‘in situ’ from N-alkylalkanimines. This
亚磷酸三烷基酯,二烷基苯基亚膦酸酯或烷基二苯基亚膦酸酯与N-烷基链亚胺在氯化氢的存在下反应,生成二烷基1-(烷基氨基)烷基膦酸酯,烷基[1-(烷基氨基)烷基]苯基亚膦酸酯或[1-(烷基氨基)烷基]二苯基膦酸酯氧化物分别经由Arbusov状“原位”产生的从亚铵盐的反应ñ -alkylalkanimines。该反应是基于将HP化合物添加到N-烷基链亚胺中的已知制备方法的替代方法,并且具有竞争力,因为该方法收率较高,无需加热,并且分离产物容易。 氨基膦酸酯-氨基膦酸酯-亚胺-席夫碱-亲核加成