How is 3-(4-chlorophenyl)-N-(pyridin-4-ylmethyl)adamantane-1-carboxamide (CAS: 915385-81-8) typically synthesized?

3-(4-chlorophenyl)-N-(pyridin-4-ylmethyl)adamantane-1-carboxamide is synthesized through a multi-step process involving the condensation of 4-chlorophenyl acetic acid with 1-adamantanecarboxylic acid, followed by coupling with 4-pyridylmethylamine. The process requires careful control of pH and temperature to achieve high yield and selectivity. The method typically involves the use of catalytic amounts of a base like triethylamine and a coupling reagent such as HATU or EDC. The final step is purification by column chromatography.