Sodium Carbonate → Ethyl trans(+/-)-2-(3-{[(benzyloxy)carbonyl]amino}-4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}piperidin-1-yl)-4-methyl-1,3-thiazole-5-carboxylate

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반응 단계

The same operation as in Example (1h) was performed using tert-butyl trans(±)-3-{[(benzyloxy)carbonyl]amino}-4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}piperidine-1-carboxylate obtained in Example (79d) (85 mg, 0.17 mmol), sodium carbonate (160 mg, 1.51 mmol) and ethyl 2-bromo-4-methyl-1,3-thiazole-5-carboxylate (55 mg, 0.22 mmol), to obtain 82.3 mg of the title compound as a yellow solid (85%).

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