Saturated cyclic ketones having 12 to 20 carbon atoms in the ring, such as muscone, are prepared by (a) the reaction of a cyclic olefin with a dihalocarbene, (b) dehalogenation of the resulting dihalobicylic compound to form a cyclic allene, (c) hydration and oxidation of the cyclic allene to form an unsaturated cyclic ketone, and (d) conversion of the unsaturated cyclic ketone to a saturated cyclic ketone, with optional introduction of an alkyl substituent.
                            具有12到20个碳原子的环状酮,例如肉麝酮,是通过以下步骤制备的:(a) 环状烯烃与二卤代羰基反应,(b) 脱卤化生成环状联烯,(c) 环状联烯的
水合氧化形成不饱和环状酮,(d) 将不饱和环状酮转化为饱和环状酮,并可引入烷基取代基。