反应详情

Compound F1 was prepared from 2-nitro-1,4-phenylenediamine [CAS-No. 5307-14-2) (20 g, 131 mmol) and 2,5-dimethoxytetrahydrofuran (18.3 mL, 135 mmol) in HOAc (37 ml) at 95° C. for 3 h according to the general procedure F.