[N:1]1([CH2:6][CH2:7][CH2:8][NH2:9])[CH:5]=[CH:4][N:3]=[CH:2]1.[OH:10][C:11]1[CH:18]=[CH:17][C:16]([CH3:19])=[CH:15][C:12]=1[CH:13]=O.C[Si]([N:24]=[N+:25]=[N-:26])(C)C.[N+:27]([CH:29]1[CH2:31][CH2:30]1)#[C-:28]>CO>[CH:29]1([N:27]2[C:28]([CH:13]([NH:9][CH2:8][CH2:7][CH2:6][N:1]3[CH:5]=[CH:4][N:3]=[CH:2]3)[C:12]3[CH:15]=[C:16]([CH3:19])[CH:17]=[CH:18][C:11]=3[OH:10])=[N:26][N:25]=[N:24]2)[CH2:31][CH2:30]13-Imidazol-1-yl-propylamine (1 mmol) and 2-Hydroxy-5-methyl-benzaldehyde (1 mmol) were combined in methanol (2 ml, dry). After 2 hours Trimethylsilylazide (5 mmol) and Isocyano-cyclopropane (mmol) was added. The reaction was stirred at room temperature for 48 h. After evaporation of the solvent the residue was purified with chromatographic methods.
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