Zn. Huang et Zm. Li, SYNTHESIS OF (OMEGA-FUNCTIONALIZED ALKYLHETEROATOMIC PYRAZOLYL)-1,2,4-TRIAZOLES BY RING-CHAIN TRANSFORMATION, Synthetic communications, 25(22), 1995, pp. 3603-3609
Treatment of cyclic alpha-oxo-alpha-(1, 2, 4 - triazol - 1 - yl) keten
e S, S; N,O-acetals with hydrazine affords title compounds 3a-d and 6a
-e by way of a ring chain transformation.