C(OC([N:8]1[CH2:13][CH2:12][C:11]2[NH:14][C:15]([C:17]3[CH:22]=[CH:21][N:20]=[C:19]([NH:23][C:24](=[O:31])[C:25]4[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=4)[N:18]=3)=[CH:16][C:10]=2[C:9]1=[O:32])=O)(C)(C)C.Cl>C1COCC1.O1CCOCC1>[O:32]=[C:9]1[C:10]2[CH:16]=[C:15]([C:17]3[CH:22]=[CH:21][N:20]=[C:19]([NH:23][C:24](=[O:31])[C:25]4[CH:26]=[CH:27][CH:28]=[CH:29][CH:30]=4)[N:18]=3)[NH:14][C:11]=2[CH2:12][CH2:13][NH:8]1To a solution of 2-(2-Benzoylamino-pyrimidin-4-yl)-4-oxo-1,4,6,7-tetrahydro-pyrrolo[3,2-c]pyridine-5-carboxylic acid tert-butyl ester in THF was added HCl 4N in dioxane and the reaction was left under stirring at room temperature for 2h. Solvent evaporation gave the desired product as a solid.
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