HCID 57826906, 화합물 → (3-{4-[8-(4-Methyl-piperazin-1-yl)-imidazo[1,2-a]pyrazin-3-yl]-pyrimidin-2-ylamino}-3-phenyl-propyl)-carbamic acid tert-butyl ester

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The mixture of 3-(2-methanesulfonyl-pyrimidin-4-yl)-8-(4-methyl-piperazin-1-yl)-imidazo[1,2-a]pyrazine (from Example 46 supra) (120 mg, 0.32 mmol) and compound (3-amino-3-phenyl-propyl)-carbamic acid tert-butyl ester (from Example 53 supra) (322 mg, 1.29 mmol) was heated at 140° C. with stirring for 2 hours. The oil was purified by chromatography (silica gel, 10 g, 200-300 mesh, eluting with dichloromethane:methanol, 50:1 to 20:1) to afford crude (3-{4-[8-(4-methyl-piperazin-1-yl)-imidazo[1,2-a]pyrazin-3-yl]-pyrimidin-2-ylamino}-3-phenyl-propyl)-carbamic acid tert-butyl ester. (Yield 51 mg).

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