Arylated Quinoline and Tetrahydroquinolines: Synthesis, Characterization and Their Metabolic Enzyme Inhibitory and Antimicrobial Activities

喹啉 化学 抗菌剂 碳酸酐酶 碳酸酐酶Ⅰ 乙酰胆碱酯酶 立体化学 卤化 组合化学 有机化学
作者
Ümit M. Koçyiğit,Salih Ökten,Osman Çakmak,Gizem Burhan,Mehmet Ataş,Parham Taslimi,İlhami Gülçın
出处
期刊:ChemistrySelect [Wiley]
卷期号:7 (37) 被引量:13
标识
DOI:10.1002/slct.202203469
摘要

Abstract The aims of this study are to synthesize and characterize some new phenyl quinoline derivatives and to determine the activities of them and the recently prepared substituted phenyl quinolines against Acetylcholinesterase (AChE) and Charbonic anyhydrase (CA) enzymes and some microorganisms. The 6‐phenyl‐ ( 3a ) and 6,8‐diphenyl‐( 4a ) tetrahydroquinolines were prepared by treatment of 6‐bromo and 6,8‐dibromo‐1,2,3,4‐tetrahydroquinoline with phenylboronic acids in the presence of Pd catalyze in high yields with respect to our reported procedure. Then, bromination of the 6‐phenyl‐ ( 3a ) and 6,8‐diphenyl‐( 4a ) tetrahydroquinolines furnished novel 3‐bromo phenyl substituted quinolines 14 and 11 and 8‐bromo‐6‐pheyltetrahydroquinoline ( 13 ) in excellent yields (91, 99 and 92 %, respectively). Structures of all prepared compounds were characterized by 1 H NMR, 13 C NMR, FTIR spectroscopy and elemental analysis. Both novel prepared and recent synthesized phenyl substituted tetrahydroquinolines and quinolines were screened for human carbonic anhydrase I, II isoenzymes (hCAs I and II) and AChE inhibitory and antimicrobial activities. Results indicated that all the synthetic compounds exhibited potent inhibitory activities against all targets as compared to the standard inhibitors, revealed by IC 50 values. K i values of novel substituted (trifluoromethoxy, thiomethyl and methoxy) phenyl quinolines 3a – d , 4a – c , 8 – 12 , and 14 for hCA I, hCA II and AChE enzymes were obtained in the ranges 0.31–12.44, 0.92‐12.45, and 8.56–27.05 μM, respectively. Moreover, phenyl quinolines 3a – b , 10 , 11 , 14 displayed antifungal effect against yeasts in the range of 125–15.62 μg/mL.
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