(9R)-9-(2-Pyridinyl)-6-oxaspiro[4.5]decane-9-acetonitrile, can be used in the synthesis of chemical compounds having therapeutic activity, such as [(3-Methoxythiophen-2-yl)methyl]({2-[(9R)9-(pyridin-2-yl)-6-oxaspiro-[4.5]decan-9-yl]ethyl})amine, that can be used for the treatment of acute pain.