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ARTICLE

含膦酸酯肽的蛇床子素衍生物的合成与抗菌活性

杨家强a,b,*, 周绪容a, 陈阳密a, 佘慧娴a   

  1. a遵义医科大学 药学院 遵义 563000;
    b遵义医科大学 基础药理教育部重点实验室 遵义 563000
  • 收稿日期:2024-08-19 修回日期:2024-10-21
  • 基金资助:
    贵州省科技计划(黔科合基础-ZK[2024]一般265)和国家级大学生创新创业训练计划(202310661006)资助项目.

Synthesis and Antibacterial Activities of Osthole Derivatives Containing Phosphonateptide Fragment

Yang Jiaqianga,b,*, Zhou Xuronga, Chen Yangmia, She Huixiana   

  1. aSchool of Pharmacy, Zunyi Medical University, Zunyi 563000;
    bKey Laboratory of Basic Pharmacology of Ministry of Education, Zunyi Medical University, Zunyi 563000
  • Received:2024-08-19 Revised:2024-10-21
  • Contact: * E-mail:yjqcn@126.com
  • Supported by:
    Guizhou Provincial Science and Technology Plan (No. Qiankehe Foundation ZK[2024]265) and the National College Students' innovation and entrepreneurship training program(No. 202310661006).

Based on previous research, the structures of osthole derivatives with potential antibacterial activities were optimized. Twenty-one novel derivatives containing phosphonateptide were designed and synthesized, and confirmed by 1H NMR, 13C NMR and elemental analysis. The antibacterial activities against S. aureus, E. coli, methicillin-resistant S. aureus(MRSA) and fluoroquinolone-resistant E. coli(FREC) were evaluated, the results showed that the minimum inhibitory concentration(MIC) of diethyl (E)- ((2-(4-(7-methoxy-2-oxo-2H-chromen-8-yl)-2-methylbut-2-enamido)acetamido)(3,4,5-trimethoxy phenyl)methyl)phosphonate (5f)was 0.25, 1, 1, 2 μg/mL respectively, and the MIC of diethyl (E)- ((2-(4-(7-methoxy-2-oxo- 2H-chromen-8-yl)-2-methylbut-2- enamido)acetamido)(4-methylthiazol-2-yl)methyl)phosphonate(5u)was 0.25, 2, 1, 2 μg/mL respectively. Its antibacterial activities were superior to the control drugs oxacillin and norfloxacin, which will be further developed as novel candidates for antibacterial drugs. The binding with phosphonateptide can enhance their anti-S. aureus and anti-MRSA activities, and keep significant anti-E. coli and anti-FREC activities.

Key words: osthole derivatives, structural optimization, phosphonateptide, synthesis, antibacterial activity