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ChemicalBook CAS DataBase List Aminodiphenylmethane hydrochloride

Aminodiphenylmethane hydrochloride synthesis

9synthesis methods
-

Yield: 80.3%

Reaction Conditions:

with hydrogenchloride;pyrographite in ethanol;water for 1.5 h;Reflux;

Steps:

6 Example 6 Preparation of benzhydrylamine hydrochloride (III)
The above prepared intermediate (II) 120g, activated carbon 12g, 360ml of absolute ethanol, reflux decolorization, activated carbon and silica were removed by filtration, the filtrate was added concentrated hydrochloric acid 110g, refluxed for 1.5 hours, the reaction was complete. Cooling, crystallization, filtration, washing, drying product 95.3g, yield 80.3%, HPLC purity: 99.93%.

References:

Weihai Disu Pharmaceutical Co., Ltd.;Disha Pharmaceutical Group Co., Ltd.;Wu Ronggui;Men Lianbin;Cui Yangyang;Xu Keling;Xue Fuzhao CN107089918, 2017, A Location in patent:Paragraph 0022

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