In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.

• 在醋酸、聚乙二醇存在下 ,铬酸酐和苊在温和的条件下反应 ,苊可以完全转化为苊酮。