Novel reactiom of 5-nitro (or carbamoyl) uracil derivatives with amines. Thermal exchange reaction of N 1-portion of the uracils for amines via ring-opening and ring- …
Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The reaction of 1,3-disubstituted uracils possessing an electron withdrawing group at the 5-position with amines induced exchange of N 1 -portion of the uracil ring for amines. This reaction was accelerated by substitution of phenyl groups at the N 1 -position.