Oxidation of tropine with chromic oxide gave tropinone which can be quaternized to 5 in quantitative yield.
为了研究简化,将阿托品水解为托品醇、再氧化为托品酮,托品酮季胺盐与氢化钠。
Oxidation of tropine with chromic oxide gave tropinone which can be quaternized to 5 in quantitative yield.
为了研究简化,将阿托品水解为托品醇、再氧化为托品酮,托品酮季胺盐与氢化钠。
The selective oxidation of ethers by chromic reagent, peroxide, nitric acid, oxygen and ozonide, as well as the ethers anodic oxidation are particularly introduced.
主要介绍了铬(Ⅵ)类试剂,过氧化物、硝酸、氧和臭氧等各类氧化剂对选择性氧化以阳极电氧化研究状况。
Through the adjust of the vitriol-chrome-acid and trivalence chromic,can from the net contain additive common chromeplate liquid gain wide bright electric current density bound;
通过对硫酸铬酸比和三价铬认真调整,能从不含添加剂普通镀铬液获得宽光亮电流密度范围;
3.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 ,铬酸酐和苊在温和条件下 ,苊可以完全转化为苊酮。
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