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FOERFARANDE Før 11A-11A DEHALOGENERING AV-HALO-6-METYLENTETRACYKLINER
FOERFARANDE Før 11A-11A DEHALOGENERING AV-HALO-6-METYLENTETRACYKLINER
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机译:卤代6-甲基对苯二甲酸亚乙酯11A-11A脱卤之前的步骤
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1459861 6 - Demethyl - 6 - deoxy - 6 - methyllenetetracyclines PFIZER Inc 2 Jan 1974 [21 June 1973] 00106/74 Heading C2C 6 - Demethyl - 6 - deoxy - 6 - methylenetetracyclines are prepared by contacting an 11ahalo - 6 - demethyl - 6 - deoxy - 6 - methylenetetracycline with at least an equimolar amount of a secondary or tertiary phosphine or a tertiary phosphite in a reaction-inert solvent to effect 11a-dehalogenation.
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