(Method A). The preparation of these ketones was effected either by reacting an acid chloride with diethyl-t Part VI1 of the series, Chemistry of Adamantane. For part VI. see ref I ethoxymagnesium malonate and subsequent hydrolysis and decarboxylation as described in our earlier paper3 or by the reaction of an acid with MeLi. The latter procedure is preferred as it reduces the number of steps and also gives excellent yields.(ii) Reduction of an ...