INVESTIGATION OF NITROGEN- AND SULFUR-CONTAINING HETEROCYCLES. 39. REACTIONS OF 2-MERCAPTO-3-UREIDO- AND 2-MERCAPTO-3-AMINOPYRIDINES WITH β-HALO CARBONYL COMPOUNDS. SYNTHESIS OF 6-OXO DERIVATIVES OF PYRIDOTHIAZEPINES

Article abstract of DOI:10.1007/BF00505689

The reaction of 2-mercapto-3-ureido- and 2-mercapto-3-aminopyridines with β-halo derivatives of carbonyl compounds (ketones, acids, and aldehydes) and with acrylonitrile proceeds not only via the mercapto group but also via the amino group, as a result of