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Furanonyl amino acid derivatives as hemostatic drugs: design, synthesis and hemostasis performance

Using 3,4-dihalo-2(5 H )-furanones and easily available hemostatic drugs, such as tranexamic acid (TA), 4-aminomethylbenzoic acid (ABA), aminocaproic acid (AA) as starting materials, serial multi-functional molecules 2(5 H )-furanonyl amino acids are designed by the combination of different pharmaco...

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Published in:Amino acids 2022-07, Vol.54 (7), p.989-999
Main Authors: Wang, Neng, Lin, Jian-Yun, Luo, Shi-He, Zhou, Yong-Jun, Yang, Kai, Chen, Ren-Hong, Yang, Guo-Xian, Wang, Zhao-Yang
Format: Article
Language:English
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Summary:Using 3,4-dihalo-2(5 H )-furanones and easily available hemostatic drugs, such as tranexamic acid (TA), 4-aminomethylbenzoic acid (ABA), aminocaproic acid (AA) as starting materials, serial multi-functional molecules 2(5 H )-furanonyl amino acids are designed by the combination of different pharmacophores, and successfully synthesized by a transition metal-free Michael addition–elimination reaction. The reaction is carried out under mild conditions with ethanol-dichloromethane as solvent and only stirring at room temperature for 24 h, and the yield can be up to 91%. All products are well characterized by infrared spectroscopy (IR), nuclear magnetic resonance (NMR), high-resolution mass spectra (HRMS). Ten typical target compounds among them are selected out for the experiments of hemostasis performance by the evaluation of in vitro clot formation model and liver hemorrhage model. The test results show that, their hemostasis effect is better than the original drugs. Especially the target compound G , a TA derivative from 5-borneoloxy-3,4-dibromo-2(5 H )-furanone, has the best hemostasis effect among all the tested compounds. These obtained target molecules are expected to be used as multi-functional hemostatic drugs.
ISSN:0939-4451
1438-2199
DOI:10.1007/s00726-022-03155-3