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ChemicalBook CAS DataBase List 7-Amino-3-cephem-4-carboxylic acid

7-Amino-3-cephem-4-carboxylic acid synthesis

6synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: sodium tetrahydroborate; ammonium hydroxide / water; methanol / 0.5 h / 15 - 25 °C / pH 7 - 7.5
2: sodium iodide; glycine; sodium hydrogencarbonate / acetone / 4 h / 25 - 30 °C / Sonication
3: potassium hydroxide / water; methanol / 5 h / 25 - 30 °C / pH 8 - 8.5

References:

Hebei Hengbai Pharmaceutical Co., Ltd.;Qin Shiyong CN110437257, 2019, A

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