N.m.r. studies of d-ribosylamines in solution: Derivatives of hydroxylamine, hydrazine, thiosemicarbazide, and secondary amines
作者:Claude Chavis、Chantal De Gourcy、Jean-Louis Imbach
DOI:10.1016/0008-6215(84)85002-8
日期:1984.12
Abstract N.m.r. spectroscopic studies ( 1 H, 13 C) have shown that hydroxylamine and hydrazine react with 2,3- O -isopropylidene- d -ribofuranose ( 1 ) and d -ribose ( 2 ) to give primarily the acyclic oxime and hydrazone, respectively, whereas thiosemicarbazide affords mainly the cyclic pyranosyl and furanosyl derivatives. Acyclic or cyclic secondary amines, when condensed with either 1 or 2 , furnished