Synthesis and spectral characterization of some new<i>N</i>-substituted 2-aminobenzothiazoles, 2-aminothiazolopyridines and 2-aminothiazoloquinolines
作者:George Y. Sarkis、Essam D. Faisal
DOI:10.1002/jhet.5570220322
日期:1985.5
A series of N-substituted 2-aminobenzothiazoles, 2-aminothiazolopyridines, and 2-aminothiazoloquinolines were prepared by the cyclization of N,N'-disubstituted thiourea derivatives by bromine in acetic acid. The uv, ir and nmr data for these compounds are presented and discussed.