[Cl:1][C:2]1[C:3]([NH2:12])=[CH:4][C:5]([N+:9]([O-:11])=[O:10])=[C:6]([NH2:8])[CH:7]=1.CO[CH:15]1[CH2:19][CH2:18][CH:17](OC)O1>CC(O)=O>[Cl:1][C:2]1[C:3]([N:12]2[CH:15]=[CH:19][CH:18]=[CH:17]2)=[CH:4][C:5]([N+:9]([O-:11])=[O:10])=[C:6]([NH2:8])[CH:7]=1The title compound was prepared from 5-chloro-2-nitro-1,4-phenylenediamine [CAS-no. 26196-45-2] (4.69 g, 25 mmol), 2,5-dimethoxytetrahydrofuran (4.2 mL, 32.5 mmol) in HOAc (150 mL) at 95° C. for 2 h according to the general procedure F. Obtained as a red solid (4.10 g).
Wird geladen…