专利名称：Process for producing 7-aclamida-3-cephem-4-carboxylic acids
发明人：ISHIMARU; TOSHIYASU,KODAMA; YUTAKA申请号：US31871472申请日：19721227公开号：US38340A公开日：19750204
摘要：7-ACYLAMIDE-3-CEPHEM-4-CARBOXYLIC ACIDS ARE PREPARED IN ANINDUSTRIALLY ADVANTAGEOUS MANNER, BY REACTING A 7-AMINO-3-CEPHAM-4-CARBOXYLIC ACID WITH THE REACTIVE DERIVATIVES OF A CARBOXYLIC ACIDS IN THEPRESENCE OF ALCOHOLS, AS A SOLVENT, AND THEREAFTER, IF NECESSARY, REMOVINGTHE PROTECTING GROUP FOR THE AMINO GROUP OF THE ABOVE-OBTAINEDPRODUCTS.
申请人：TOYAMA CHEMICAL CO., LTD.
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