Pharmaceutical composition as well as preparation method and application thereof
A technology for compositions and medicines, applied in the direction of condensation preparation of carbonyl compounds, antibacterial drugs, glycopeptide components, etc.
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Embodiment 1
[0058] Reaction a prepares compound (formula IA), reacts as follows:
[0059]
[0060] After testing, the compound (formula IA) molecular formula is C 13 h 10 o 4 After testing, the compound (formula IA) obtained in this embodiment is the compound (formula I) provided by the invention:
[0061]
Embodiment 2
[0063] Reaction b prepares compound (formula IA'), reaction is as follows:
[0064]
[0065] After testing, the compound (formula IA') obtained in this example is the same compound as in Example 1, that is, both formula IA and formula IA' are compounds (formula I) provided by the present invention:
[0066]
[0067]
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