Hydrazine hydrate (1:1) → HCID 86748064, compound

Participants

Reaction Steps

Analogous to example 3, synthesis step 3, using 2.49 g (4.5 mmol) of 5-acetamido-3-tert.butyl-1-(3-phthalimido-O-tosyl-propanehydroximoyl)-pyrazole and 2.5 ml 80% strength hydrazine hydrate. Decomposition of excess hydrazinc hydrate was performed using Raney nickel. 1.0 g (63%) of 3-(2-ammonio-ethyl)-6-tert.butyl-pyrazolo[5,1-c]-[1,2,4]triazole tosylate with a m. pt. of 231°-240° C. were obtained.

Provenance & Evidence