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New Process for Preparation of 2-Diazo-3-Trisubstituted Silyloxy-3-Butenoates
New Process for Preparation of 2-Diazo-3-Trisubstituted Silyloxy-3-Butenoates
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机译:制备2-重氮-3-三取代甲硅烷氧基-3-丁烯酸酯的新方法
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摘要
A novel process for preparing 2-diazo-3-trisubstituted silyloxy-3-butenoates, synthons useful in the conversion of 3-substituted-4-acetoxy azetidinones and penicillin to thienamycin, is provided, comprising the reaction of the appropriate diazo acetoacetate with the substituted silane, base and salt.
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