Metamizole Impurity15

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: The product was obtained starting from 3-((E)-3-Dimethylamino-acryloyl)-1-(3-methansulfonyl-phenyl)-1H-pyridazin-4-one (A-7) and 4-hydroxy-phenylhydrazine according to the method described for example 43. MS: M=409.1 (M+H)+ The product was obtained