[Br:1][C:2]1[CH:3]=[C:4]([CH:8]=[C:9]([Br:11])[CH:10]=1)[C:5]([OH:7])=[O:6].[N+](=[CH2:14])=[N-]>CCOCC>[Br:1][C:2]1[CH:3]=[C:4]([CH:8]=[C:9]([Br:11])[CH:10]=1)[C:5]([O:7][CH3:14])=[O:6]To a solution of 3,5-dibromobenzoic acid (1 eq.) in ether was added dropwise a solution of diazomethane in ether until gas evolution had ceased. The reaction was stirred for 20 min and concentrated in vacuo to afford the title compound.
Wird geladen…