The synthesis and some reactions of N-hydroxycarbamates
作者:E. Boyland、R. Nery
DOI:10.1039/j39660000346
日期:——
chloroformate, gave N-hydroxy-N-phenylurethane. Hydroxylamine hydrochloride and ethyl chloroformate yielded a product which changed into hydroxyurethane. Alkyl N-hydroxycarbamates and hydroxyurea gave O-xanthydryl derivatives. The N-hydroxycarbamates with aqueous dipotassium tetracyanonickelate(II) formed dipotassium tricyanonitrosylnickelate(II). No evidence of a Lossen-type rearrangement during the acid
羟胺和氯甲酸烷基酯在碱性介质中反应,以形成ñ - , - NO -二- ,和NNO -三烷氧羰基羟胺,依次。N-甲基羟胺类似地得到N-和NO-二烷氧基羰基-N-甲基-羟胺,O-甲基羟胺产生N-和NN-二烷氧基羰基-O-甲基羟胺。N-苯基羟胺与1当量的氯甲酸乙酯反应,得到N-羟基-N-苯基氨基甲酸酯。盐酸羟胺和氯甲酸乙酯产生产物,其变为羟基氨基甲酸酯。N-羟基氨基甲酸酯烷基和羟基脲得到O-黄羟基衍生物。所述Ñ -hydroxycarbamates用含水四氰二钾(II)而形成二钾tricyanonitrosylnickelate(II)。在这些羟氨基衍生物的酸和碱水解过程中,没有证据表明发生了洛森型重排。讨论了可能的水解机理。
Ayyangar, N. R.; Brahme, K. C.; Srinivasan, K. V., Canadian Journal of Chemistry, 1987, vol. 65, p. 1463 - 1468
作者:Ayyangar, N. R.、Brahme, K. C.、Srinivasan, K. V.
DOI:——
日期:——
AYYANGAR, N. R.;BRAHME, K. C.;SRINIVASAN, K. V., CAN. J. CHEM., 65,(1987) N 7, 1463-1468
作者:AYYANGAR, N. R.、BRAHME, K. C.、SRINIVASAN, K. V.