lithium aluminium tetrahydride in diethyl ether T=40°C; 1 h;

1: acetoacetic acid methyl ester With sodium methylate in methanol 2: 2,4-dichloro-N-hydroxybenzenecarboximidoyl chloride in methanol T=0°C; 4 h;

(i) NH2OH, (ii) Cl2, CHCl3, (iii) /BRN= 506727/, MeOH; Multistep reaction;