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FOERFARANDE Foer FRAMSTAELLNING AV 3'-BROMSUBSTITUERADE DEACETOXICEFALOSPORANSYRASULFOXIDDERIVAT.
FOERFARANDE Foer FRAMSTAELLNING AV 3'-BROMSUBSTITUERADE DEACETOXICEFALOSPORANSYRASULFOXIDDERIVAT.
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机译:制备3'溴代去毒的古有机酸亚砜衍生物的方法
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摘要
3 min -Bromo-substituted deacetoxycephalosporanic acid sulphoxide derivatives are prepared by silylating the carboxy group (in order to protect same) of a 3 min -unsubstituted deacetoxycephalosporanic acid sulphoxide derivative in an inert anhydrous organic solvent, and then brominating the resulting silyl ester of the deacetoxycephalosporanic acid sulphoxide in situ.
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