Organic Process Research & Development

An Improved and Scaleable Preparation of 7-Amino-3-vinylcephem-4-carboxylic acid

M Chao, A Hao

Index: Organic Process Research and Development, , vol. 13, # 5 p. 924 - 927

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Abstract

... or chromatographic purification(12) of intermediate 3 makes the reported processes complicated. ... In conclusion, an environmentally friendly, cost-effective and scaleable process for the preparation ... The organic layer was extracted twice with a solution of sodium bicarbonate and ...