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

1.为了使反应的研究简,将阿水解为醇、再氧为,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、醇存在下 ,铬酸酐和苊在温和的条件下反应 ,苊可以完全转为苊。

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、氧和臭氧等各类氧剂对醚选择性氧以及醚的阳极电氧研究状况。