Reaction of chloromethyliso(thio)cyanato(thio)phosphonates(-phosphinates) with phenol, ethanol, and thiols
作者:N. A. Khailova、R. Kh. Bagautdinova、A. A. Shaimardanova、N. E. Krepysheva、M. A. Pudovik、G. A. Chmutova、N. M. Azancheev、R. Z. Musin、A. N. Pudovik
DOI:10.1007/s11176-005-0006-7
日期:2004.9
(Chloromethyl)isocyanatophosphonates(-phosphinates) take up phenol to form carbamates whose β-cleavage gives rise to phenyl (chloromethyl)phosphonates(-phosphinates). (Chloromethyl)(thio)phosphinic-(phosphonic) isothiocyanates react with phenol at 20°C in the absence of catalyst to afford phenyl phosphinates(-phosphonates). (Alkylsulfanyl)carbamates formed by addition of thiols to (chloromethyl)iso(thio)cyanastophosphonates(-phosphinates) under the action of an equimolar amount of triethylamine undergo cyclization into 1,3,4-oxaza(thiaza)phospholines.
氯甲基异氰酸磷酸酯(膦酸酯)与酚反应生成氨基甲酸酯,其β-断裂产生苯基氯甲基磷酸酯(膦酸酯)。氯甲基硫代磷酸(膦酸)异硫氰酸酯在无催化剂下于20°C与酚反应生成苯基膦酸酯(磷酸酯)。在三乙胺等摩尔量的作用下,硫醇与氯甲基异(硫)氰酸磷酸酯(膦酸酯)加成形成的烷硫基氨基甲酸酯发生环化生成1,3,4-氧杂(硫杂)磷杂环。