Simple, Efficient and One-Pot Method for Synthesis of Aminomethylene<i>gem</i>-Diphosphonic Acid Derivatives from Ketones via Beckmann Rearrangement
作者:Ruyu Chen、You Huang、Mingshu Wu
DOI:10.1055/s-2004-831233
日期:——
A simple, expeditious and convenient synthesis of aminomethylene gem-diphosphonic acid derivatives in one-pot reaction using ketones, hydroxylamine hydrochloride, phosphorus trichloride and water as starting materials in the presence of pyridine via Beckmann rearrangement is described in the modest yields.
描述了在吡啶存在下,通过 Beckmann 重排,使用酮、盐酸羟胺、三氯化磷和水作为起始原料,在一锅法反应中简单、快速和方便地合成氨基亚甲基偕二膦酸衍生物,收率适中。