1.Oxidation of tropine with chromic oxide gave tropinone which can be quaternized to 5 in quantitative yield.

1.为了使反应研究简,将阿托为托醇、再氧为托酮,托酮季胺盐与氢钠反应。

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

2.在醋酸、聚乙二醇存在下 ,铬酸酐苊在条件下反应 ,苊可以完全转为苊酮。

3.The selective oxidation of ethers by chromic reagent, peroxide, nitric acid, oxygen and ozonide, as well as the ethers anodic oxidation are particularly introduced.

3.主要介绍了铬(Ⅵ)类试剂,过氧物、硝酸、氧臭氧等各类氧剂对醚选择性氧以及醚阳极电氧研究状况。