Isothiazolopyridines. I. Synthesis and Spectra of Isothiazolo[3,4-<i>b</i>]-, 3-Amino-isothiazolo[4,3-<i>b</i>]-, Isothiazolo[5,4-<i>b</i>]-, and 3-Methylisothiazolo[5,4-<i>c</i>]pyridines. Preparation and Spectra of Some 2,3- and 3,4-Disubstituted Pyridines
作者:Alfred Taurins、Virginia Tan Khouw
DOI:10.1139/v73-262
日期:1973.6.1
Isothiazolo[3,4-b]pyridine was synthesized from 2-aminonicotinonitrile in three steps: by the reaction with ammonia and hydrogen sulfide to produce 2-aminothionicotinamide; oxidative cyclization wi...