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ChemicalBook CAS DataBase List (3S)-6,6-DIBROMO-2,2-DIMETHYLPENAM-3-CARBOXYLIC ACID 1,1-DIOXIDE
76646-91-8

(3S)-6,6-DIBROMO-2,2-DIMETHYLPENAM-3-CARBOXYLIC ACID 1,1-DIOXIDE synthesis

4synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: sulfuric acid; sodium nitrite; bromine / dichloromethane; water / 0 - 15 °C
2: Sodium orthovanadate; dihydrogen peroxide / dichloromethane; water / 2.5 h / 5 - 10 °C
3: potassium permanganate; ammonium acetate / dichloromethane; water / 2 h / 5 - 15 °C

References:

Jiangsu Huaxu Pharmaceutical Co., Ltd.;Zhou, Hao;Wang, Jian;Lu, Biao CN106279206, 2017, A

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