[N+:1]([CH:4]([CH3:6])[CH3:5])([O-:3])=O.[CH:7]1[CH:15]=[CH:14][C:13]2[C:9](=[N:10][O:11][N+]=2[O-])[CH:8]=1.C(NCC)C>O1CCCC1>[CH3:5][C:4]1([CH3:6])[N+:1]([O-:3])=[C:13]2[CH:14]=[CH:15][CH:7]=[CH:8][C:9]2=[N+:10]1[O-:11]To a mixture containing 2-nitropropane (10.7 g., 0.12 moles), benzofuroxan (13.6 g., 0.10 moles) and tetrahydrofuran (50 ml.) is added dropwise diethylamine (8.7 g., 0.12 mole). The reaction temperature rises during addition. Upon completion of addition, the reaction mixture is allowed to sit overnight at room temperature.
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