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ChemicalBook CAS DataBase List Trazodone hydrochloride
25332-39-2

Trazodone hydrochloride synthesis

8synthesis methods
-

Yield:25332-39-2 93%

Reaction Conditions:

with hydrogenchloride in ethanol;water; pH=3 at 60; for 2 h;

Steps:

3 Example 3
At room temperature to 500mL three-necked flask, followed by adding 50g (0.134mol) trazodone, 300mL ethanol, mechanical agitation was warmed to 60 , after the solid was dissolved, was added dropwise 12mol / LHCl water, adjusting the pH to 3, then slowly cooled to 0 , a lot of white solid precipitated, heat stirring for 2 hours, filtered, 50 vacuum drying 51g (0.125mol) trazodone hydrochloride, yield 93%.

References:

Shenzhen City Pan Gu Pharmaceutical Co., Ltd.;Peng, Jinan;Wang, Qiucheng;Yan, Peng;Zhu, Hanghang CN105777745, 2016, A Location in patent:Paragraph 0046; 0047

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