申请人:Glaxo Laboratories Limited
公开号:US04014872A1
公开(公告)日:1977-03-29
The invention relates to novel semisynthetic intermediates or relay compounds of use in the production of cephalosporins and related .beta.-lactam antibiotic compounds. The novel compounds are 3-hydroxy- and 3-oxo-7-amino- and blocked amino --(6R,7R)-cephams. Process for the preparation of the novel compounds are described and exemplified.
本发明涉及一种新型半合成中间体或中继化合物,用于生产头孢菌素和相关的β-内酰胺类抗生素化合物。这些新型化合物是3-羟基和3-氧代-7-氨基和阻断氨基--(6R,7R)-头孢烯。本发明还描述和举例了制备这些新型化合物的方法。