反应详情

(5-{[1-(2-Phenyl-ethanesulfonyl)-piperidin-4-ylmethyl]-carbamoyl}-pyrimidin-2-yl)-carbamic acid tert-butyl ester was prepared from C-[1-(2-phenyl-ethanesulfonyl)-piperidin-4-yl]-methylamine and 2-tert-butoxycarbonylamino-pyrimidine-5-carboxylic acid (prepared by BOC protection of ethyl 2-amino-5-pyrimidine carboxylate [prepared as described by P. Schenone, et al., J. Heterocyclic Chem., 27:295–305(1990)] using di-tert-butyl dicarbonate and 4-dimethylaminopyridine in acetonitrile, followed by saponification with sodium hydroxide and neutralization with dilute aqueous HCl) as described in EXAMPLE 1, Step 2: