Non-peptide-based new class of platelet aggregation inhibitors: Design, synthesis, bioevaluation, SAR, and in silico studies
- Authors
- Jaiswal, Pradeep K.; Sharma, Vashundhra; Kumar, Surendra; Mathur, Manas; Swami, Ajit K.; Yadav, Dharmendra K.; Chaudhary, Sandeep
- Issue Date
- Apr-2018
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- 2-oxo-benzo[1,4]oxazine; cytotoxicity; in silico molecular docking; platelet aggregation inhibitors; structure-activity relationship
- Citation
- ARCHIV DER PHARMAZIE, v.351, no.3-4
- Journal Title
- ARCHIV DER PHARMAZIE
- Volume
- 351
- Number
- 3-4
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/3945
- DOI
- 10.1002/ardp.201700349
- ISSN
- 0365-6233
- Abstract
- A series of 2-oxo-2-phenylethylidene linked 2-oxo-benzo[1,4]oxazine analogues 17a-x and 18a-o, incorporated with a variety of electron-withdrawing as well as electron-donating groups at ring A and ring C, were synthesized under greener conditions in excellent yields (up to 98%). These analogues 17a-x and 18a-o were evaluated for their arachidonic acid (AA)-induced platelet aggregation inhibitory activities in comparison with the standard reference aspirin (IC50=21.34 +/- 1.09 mu g/mL). Among all the screened compounds, eight analogues, 17i, 17x, 18f, 18g, 18h, 18i, 18l, and 18o, were identified as promising platelet aggregation inhibitors as compared to aspirin. In addition, cytotoxic studies in 3T(3) fibroblast cell lines by MTT assay of the promising compounds (17i, 17x, 18f-18i, 18l, and 18o) were also performed and the compounds were found to be non-toxic in nature. Furthermore, the results on the AA-induced platelet aggregation inhibitory activities of these compounds (17i, 17x, 18f-18i, 18l, and 18o) were validated via in silico molecular docking simulation studies. To the best of our knowledge, this is the first report of the identification of non-peptide-based functionalized 2-oxo-benzo[1,4]oxazines as platelet aggregation inhibitors.
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