Synthesis of Vitamin B12-Antibiotic Conjugates with Greatly Improved Activity against Gram-Negative Bacteria

Autor: Guoxing Wei, Zhi-Peng Wang, Xumei Wen, Sheng Zhao, Jian Guo, Yun He, Siyu Li
Rok vydání: 2020
Předmět:
Zdroj: Organic Letters. 22:6632-6636
ISSN: 1523-7052
1523-7060
DOI: 10.1021/acs.orglett.0c02403
Popis: There is an urgent need to discover new antibiotics and improve the efficacy of known antibiotics against Gram-negative bacteria. "Trojan horse" conjugates are novel and promising antibiotics. Herein we report the design and synthesis of vitamin-B12-ampicillin conjugates, which exhibited more than 500 times improved activity against Escherichia coli compared with ampicillin itself. Our studies demonstrate that the vitamin-B12 uptake pathway could be employed for effective antibiotic delivery and efficacy enhancement.
Databáze: OpenAIRE