[C:1]([C:5]1[CH:10]=[CH:9][C:8]([C:11]#[N:12])=[CH:7][C:6]=1[N+:13]([O-])=O)([CH3:4])([CH3:3])[CH3:2]>CCCCCC.C(OCC)(=O)C>[C:1]([C:5]1[CH:10]=[CH:9][C:8]([C:11]#[N:12])=[CH:7][C:6]=1[NH2:13])([CH3:4])([CH3:2])[CH3:3]2-t-Butyl-5-cyano-l-nitrobenzene [prepared as described in step (i) above] was reduced in a similar manner to that described in Preparation 5 to give the title compound as crystals, melting at 94.5-95° C. (from hexane-ethyl acetate).
Wird geladen…