Hydrochloric Acid → (1-Aminomethyl-6,8-dimethoxy-isoquinolin-4-yl)-(4-methyl-thiazol-2-yl)amine hydrochloride salt

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Reaction Steps

To a solution of [6,8-dimethoxy-4-(4-methyl-thiazol-2-ylamino)-isoquinolin-1-ylmethyl]carbamic acid tert-butyl ester (20 mg, 0.045 mmol) in 1 mL CH2Cl2 was added a 4.0 M HCl solution in dioxane (0.70 mL). After the reaction mixture was stirred at room temperature for 20 h, the resulting yellow solid was collected by suction filtration, and dried in vacuo to give (1-aminomethyl-6,8-dimethoxy-isoquinolin-4-yl)-(4-methyl-thiazol-2-yl)amine hydrochloride salt (9.0 mg, 53%). 1H-NMR (D2O): δ, 8.35 (s, 1H), 6.75 (s, 2H), 6.35 (s, 1H), 4.78 (s, 2H), 3.89 (s, 3H), 3.77 (s, 3H), 2.06 (s, 3H); MS: calculated for C16H19N4O2S (M−Cl) 331.0; found: 331.0.

Provenance & Evidence