Ethyl 6-chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylate synthesis

4synthesis methods

17284-97-8 Synthesis

55896-93-0 Synthesis

Yield:75680-93-2 500 mg ，76195-97-6 30% ，69579-06-2 150 mg

Reaction Conditions:

with triethylamine in dichloromethane;1.) 10 h., room temp.; 2.) reflux, 2 h.;

References:

Kosary, J.;Sohar, P. [Acta Chimica Academiae Scientiarum Hungaricae,1980,vol. 103,# 4,p. 405 - 414]

17284-97-8 Synthesis

17284-97-8 Synthesis

95-92-1 Synthesis

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