C(N(CC)CC)C.ClC(OCC)=O.[N+:14]([C:17]1[CH:26]=[CH:25][CH:24]=[C:23]2[C:18]=1[CH:19]=[CH:20][CH:21]=[C:22]2[C:27]([OH:29])=O)([O-:16])=[O:15].[CH2:30]([NH2:37])[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1>O.O1CCCC1>[CH2:30]([NH:37][C:27]([C:22]1[C:23]2[C:18](=[C:17]([N+:14]([O-:16])=[O:15])[CH:26]=[CH:25][CH:24]=2)[CH:19]=[CH:20][CH:21]=1)=[O:29])[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1
Triethylamine (0.16 ml, 1.15 mmol) and ethyl chloroformate (0.11 ml, 1.115 mmol) were added to a suspension of 5-nitronaphthalene-1-carboxylic acid (250 mg, 1.15 mmol) and anhydrous tetrahydrofuran (3 ml) under ice cooling, and the mixture was stirred for 0.5 hour. Benzylamine (0.13 ml, 1.20 mmol) was added to the reaction mixture and the mixture was stirred at room temperature for 6 hours. Water was added to the reaction solution, and after the mixture was stirred for 10 minutes, the resulting precipitate was collected. The precipitate was washed with water and isopropyl ether, and dried to give the title compound as a light brown solid (189 mg, 53.5%).
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