[CH3:1][C:2]1[N:7]=[C:6]([C:8]2[N:12]=[C:11]([CH:13]3[CH2:16][N:15](C(OC(C)(C)C)=O)[CH2:14]3)[NH:10][N:9]=2)[CH:5]=[CH:4][CH:3]=1.[ClH:24]>O1CCOCC1>[ClH:24].[ClH:24].[NH:15]1[CH2:16][CH:13]([C:11]2[NH:10][N:9]=[C:8]([C:6]3[CH:5]=[CH:4][CH:3]=[C:2]([CH3:1])[N:7]=3)[N:12]=2)[CH2:14]111.6 g (36.8 mmol) tert-Butyl 3-[3-(6-methylpyridine-2-yl)-1H-1,2,4-triazole-5-yl]azetidine-1-carboxylate are dissolved in 150 mL dioxane. 27.6 mL HCl in dioxane (4M) are added dropwise and the reaction mixture is stirred over night at room temperature. The reaction mixture is evaporated to dryness yielding 13.1 g (76.6%) of the desired salt which is 60% pure and is used without further purification.
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