6-methyl-pyridine-2-carboxylic acid (3-amino-adamantan-1-yl)-amide 、 、
3-aminoadamantane-1-carboxylic acid methyl ester hydrochloride 、
6-甲基-2-吡啶甲酸 以afforded 3-[(6-methyl-pyridine-2-carbonyl)-amino]-adamantane-1-carboxylic acid methyl ester (14.9 g, 75%)的产率得到3-[(6-Methyl-pyridine-2-carbonyl)-amino]-adamantane-1-carboxylic acid methyl ester