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ChemicalBook CAS DataBase List 3-BroMocyclobutanone
23761-24-2

3-BroMocyclobutanone synthesis

1synthesis methods
-

Yield:23761-24-2 97%

Reaction Conditions:

with bromine;magnesium sulfate;silver(l) oxide in dichloromethane for 3 h;Reflux;

Steps:

3 Example 3
Compound II (10.1g, 88mmol) was dissolved in DCM (100mL), anhydrous magnesium sulfate (10.5g, 88mmol) was added, silver oxide (23.1g, 0.1mol) was added, the reaction was heated to reflux, and bromine (17g, 0.1 mol) in DCM (40 mL), the reaction was refluxed for 3 h, cooled to room temperature, filtered, DCM rinsed, and the filtrate was concentrated to obtain 12.7 g of light yellow oil III (yield 97%).

References:

Suzhou Chukai Pharmaceutical Co., Ltd.;Zhang Zhongjian;Liu Xianjun;Zheng Xingxing;Yu Feifei;Huang Wenfei CN111320535, 2020, A Location in patent:Paragraph 0049-0051

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