3'',4''-Dihydro-7''-methoxyspiro[cyclopentane-1,2''(1''H)-naphthalen]-1''-one is an intermediate in the synthesis of rac-14-epi-Dextromethorphan (D299440) which is an analog of Dextromethorphan (D299445) which is an antitussive compound showing analgesic properties. Dextromethorphan is used in cough medication formulations.
![3',4'-dihydro-7'-methoxyspiro[cyclopentane-1,2'(1'H)-naphthalene]-1'-one Structure](/CAS/20180808/GIF/42281-31-2.gif)