Boron tribromide → 2-(4-Hydroxyphenyl)-5-methyl-2H-pyrazole-3-carboxylic acid ethyl ester
Reaction equation
[CH2:1]([O:3][C:4]([C:6]1[N:7]([C:12]2[CH:17]=[CH:16][C:15]([O:18]C)=[CH:14][CH:13]=2)[N:8]=[C:9]([CH3:11])[CH:10]=1)=[O:5])[CH3:2].B(Br)(Br)Br>C(Cl)Cl>[CH2:1]([O:3][C:4]([C:6]1[N:7]([C:12]2[CH:13]=[CH:14][C:15]([OH:18])=[CH:16][CH:17]=2)[N:8]=[C:9]([CH3:11])[CH:10]=1)=[O:5])[CH3:2]Participants
4
Conditions
- Temperature
- -40 °C