Cp. Joshua et Ms. Suseelan, SYNTHESIS OF INO-6-ARYLIMINOTETRAHYDRO-1,3,5-TRIAZINE-4-THIONES, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 35(3), 1996, pp. 246-247
Reaction of rylamino[1,2,4]dithiazolo[2,3-b][1,2,4]dithiazoles (1) wit
h alkylamines yields 1-alkyl-2-arylamino-6-aryliminotetrahydro-1, 3, 5
-triazine-4-thiones (3) presumably by the intramolecular cyclisation o
f dithiobiuret derivatives (2) with the elimination of hydrogen sulphi
de.