Synthesis of designed new 1,3,4-oxadiazole functionalized pyrano 2,3-f chromene derivatives and their antimicrobial activities
Diethyl 2-(((4-methyl-2-oxo-2H-chromen-7-yl)oxy)methylene)malonate (2) was synthesized from coumarin 1 and diethyl ethoxymethylene malonate in ethanol, followed by cyclization in diphenyl ether to give chromene-9-carboxylate (3). Sugar hydrazones 5a-c were formed by reacting hydrazide 4 with D-galac...
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| Veröffentlicht in: | Heliyon 2024-10, Vol.10 (19), p.e38294 |
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| creator | Alatawi, Kahdr Qarah, Ahmad Fawzi Alharbi, Haifa Alisaac, Ali Abualnaja, Matokah M Attar, Roba M S Alsoliemy, Amerah El-Metwaly, Nashwa M |
| description | Diethyl 2-(((4-methyl-2-oxo-2H-chromen-7-yl)oxy)methylene)malonate (2) was synthesized from coumarin 1 and diethyl ethoxymethylene malonate in ethanol, followed by cyclization in diphenyl ether to give chromene-9-carboxylate (3). Sugar hydrazones 5a-c were formed by reacting hydrazide 4 with D-galactose, D-mannose, and D-xylose, then acetylated to per-O-acetyl derivatives 6a-c. Heating 5a-c with acetic anhydride at 100 °C gave oxadiazolines 7a-c. Compound 8, obtained by refluxing 4 with carbon disulfide, was alkylated to 9 or reacted to give 10. Further reactions yielded acetoxy derivative 13 and hydroxy derivative 14. Compounds 17a-e and 18a-e were synthesized using thiomorpholinophenyl ureido/thioureido-s-triazine. These compounds were characterized and evaluated for antibacterial activity against Gram (+ve) bacteria (B. subtilis, S. aureus) and Gram (-ve) bacteria (E. coli, P. aeruginosa) in addition to yeast-like fungi (C. albicans). Compounds 11, 13, 15, 16, 17c-e, and 18a-e showed the highest antibacterial activity. Molecular docking was performed to study their binding with transpeptidases.Diethyl 2-(((4-methyl-2-oxo-2H-chromen-7-yl)oxy)methylene)malonate (2) was synthesized from coumarin 1 and diethyl ethoxymethylene malonate in ethanol, followed by cyclization in diphenyl ether to give chromene-9-carboxylate (3). Sugar hydrazones 5a-c were formed by reacting hydrazide 4 with D-galactose, D-mannose, and D-xylose, then acetylated to per-O-acetyl derivatives 6a-c. Heating 5a-c with acetic anhydride at 100 °C gave oxadiazolines 7a-c. Compound 8, obtained by refluxing 4 with carbon disulfide, was alkylated to 9 or reacted to give 10. Further reactions yielded acetoxy derivative 13 and hydroxy derivative 14. Compounds 17a-e and 18a-e were synthesized using thiomorpholinophenyl ureido/thioureido-s-triazine. These compounds were characterized and evaluated for antibacterial activity against Gram (+ve) bacteria (B. subtilis, S. aureus) and Gram (-ve) bacteria (E. coli, P. aeruginosa) in addition to yeast-like fungi (C. albicans). Compounds 11, 13, 15, 16, 17c-e, and 18a-e showed the highest antibacterial activity. Molecular docking was performed to study their binding with transpeptidases. |
| doi_str_mv | 10.1016/j.heliyon.2024.e38294 |
| format | Article |
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Sugar hydrazones 5a-c were formed by reacting hydrazide 4 with D-galactose, D-mannose, and D-xylose, then acetylated to per-O-acetyl derivatives 6a-c. Heating 5a-c with acetic anhydride at 100 °C gave oxadiazolines 7a-c. Compound 8, obtained by refluxing 4 with carbon disulfide, was alkylated to 9 or reacted to give 10. Further reactions yielded acetoxy derivative 13 and hydroxy derivative 14. Compounds 17a-e and 18a-e were synthesized using thiomorpholinophenyl ureido/thioureido-s-triazine. These compounds were characterized and evaluated for antibacterial activity against Gram (+ve) bacteria (B. subtilis, S. aureus) and Gram (-ve) bacteria (E. coli, P. aeruginosa) in addition to yeast-like fungi (C. albicans). Compounds 11, 13, 15, 16, 17c-e, and 18a-e showed the highest antibacterial activity. Molecular docking was performed to study their binding with transpeptidases.Diethyl 2-(((4-methyl-2-oxo-2H-chromen-7-yl)oxy)methylene)malonate (2) was synthesized from coumarin 1 and diethyl ethoxymethylene malonate in ethanol, followed by cyclization in diphenyl ether to give chromene-9-carboxylate (3). Sugar hydrazones 5a-c were formed by reacting hydrazide 4 with D-galactose, D-mannose, and D-xylose, then acetylated to per-O-acetyl derivatives 6a-c. Heating 5a-c with acetic anhydride at 100 °C gave oxadiazolines 7a-c. Compound 8, obtained by refluxing 4 with carbon disulfide, was alkylated to 9 or reacted to give 10. Further reactions yielded acetoxy derivative 13 and hydroxy derivative 14. Compounds 17a-e and 18a-e were synthesized using thiomorpholinophenyl ureido/thioureido-s-triazine. These compounds were characterized and evaluated for antibacterial activity against Gram (+ve) bacteria (B. subtilis, S. aureus) and Gram (-ve) bacteria (E. coli, P. aeruginosa) in addition to yeast-like fungi (C. albicans). Compounds 11, 13, 15, 16, 17c-e, and 18a-e showed the highest antibacterial activity. Molecular docking was performed to study their binding with transpeptidases.</description><identifier>ISSN: 2405-8440</identifier><identifier>EISSN: 2405-8440</identifier><identifier>DOI: 10.1016/j.heliyon.2024.e38294</identifier><language>eng</language><ispartof>Heliyon, 2024-10, Vol.10 (19), p.e38294</ispartof><rights>2024 Published by Elsevier Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,864,27924,27925</link.rule.ids></links><search><creatorcontrib>Alatawi, Kahdr</creatorcontrib><creatorcontrib>Qarah, Ahmad Fawzi</creatorcontrib><creatorcontrib>Alharbi, Haifa</creatorcontrib><creatorcontrib>Alisaac, Ali</creatorcontrib><creatorcontrib>Abualnaja, Matokah M</creatorcontrib><creatorcontrib>Attar, Roba M S</creatorcontrib><creatorcontrib>Alsoliemy, Amerah</creatorcontrib><creatorcontrib>El-Metwaly, Nashwa M</creatorcontrib><title>Synthesis of designed new 1,3,4-oxadiazole functionalized pyrano 2,3-f chromene derivatives and their antimicrobial activities</title><title>Heliyon</title><description>Diethyl 2-(((4-methyl-2-oxo-2H-chromen-7-yl)oxy)methylene)malonate (2) was synthesized from coumarin 1 and diethyl ethoxymethylene malonate in ethanol, followed by cyclization in diphenyl ether to give chromene-9-carboxylate (3). Sugar hydrazones 5a-c were formed by reacting hydrazide 4 with D-galactose, D-mannose, and D-xylose, then acetylated to per-O-acetyl derivatives 6a-c. Heating 5a-c with acetic anhydride at 100 °C gave oxadiazolines 7a-c. Compound 8, obtained by refluxing 4 with carbon disulfide, was alkylated to 9 or reacted to give 10. Further reactions yielded acetoxy derivative 13 and hydroxy derivative 14. Compounds 17a-e and 18a-e were synthesized using thiomorpholinophenyl ureido/thioureido-s-triazine. These compounds were characterized and evaluated for antibacterial activity against Gram (+ve) bacteria (B. subtilis, S. aureus) and Gram (-ve) bacteria (E. coli, P. aeruginosa) in addition to yeast-like fungi (C. albicans). Compounds 11, 13, 15, 16, 17c-e, and 18a-e showed the highest antibacterial activity. Molecular docking was performed to study their binding with transpeptidases.Diethyl 2-(((4-methyl-2-oxo-2H-chromen-7-yl)oxy)methylene)malonate (2) was synthesized from coumarin 1 and diethyl ethoxymethylene malonate in ethanol, followed by cyclization in diphenyl ether to give chromene-9-carboxylate (3). Sugar hydrazones 5a-c were formed by reacting hydrazide 4 with D-galactose, D-mannose, and D-xylose, then acetylated to per-O-acetyl derivatives 6a-c. Heating 5a-c with acetic anhydride at 100 °C gave oxadiazolines 7a-c. Compound 8, obtained by refluxing 4 with carbon disulfide, was alkylated to 9 or reacted to give 10. Further reactions yielded acetoxy derivative 13 and hydroxy derivative 14. Compounds 17a-e and 18a-e were synthesized using thiomorpholinophenyl ureido/thioureido-s-triazine. These compounds were characterized and evaluated for antibacterial activity against Gram (+ve) bacteria (B. subtilis, S. aureus) and Gram (-ve) bacteria (E. coli, P. aeruginosa) in addition to yeast-like fungi (C. albicans). Compounds 11, 13, 15, 16, 17c-e, and 18a-e showed the highest antibacterial activity. 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Sugar hydrazones 5a-c were formed by reacting hydrazide 4 with D-galactose, D-mannose, and D-xylose, then acetylated to per-O-acetyl derivatives 6a-c. Heating 5a-c with acetic anhydride at 100 °C gave oxadiazolines 7a-c. Compound 8, obtained by refluxing 4 with carbon disulfide, was alkylated to 9 or reacted to give 10. Further reactions yielded acetoxy derivative 13 and hydroxy derivative 14. Compounds 17a-e and 18a-e were synthesized using thiomorpholinophenyl ureido/thioureido-s-triazine. These compounds were characterized and evaluated for antibacterial activity against Gram (+ve) bacteria (B. subtilis, S. aureus) and Gram (-ve) bacteria (E. coli, P. aeruginosa) in addition to yeast-like fungi (C. albicans). Compounds 11, 13, 15, 16, 17c-e, and 18a-e showed the highest antibacterial activity. Molecular docking was performed to study their binding with transpeptidases.Diethyl 2-(((4-methyl-2-oxo-2H-chromen-7-yl)oxy)methylene)malonate (2) was synthesized from coumarin 1 and diethyl ethoxymethylene malonate in ethanol, followed by cyclization in diphenyl ether to give chromene-9-carboxylate (3). Sugar hydrazones 5a-c were formed by reacting hydrazide 4 with D-galactose, D-mannose, and D-xylose, then acetylated to per-O-acetyl derivatives 6a-c. Heating 5a-c with acetic anhydride at 100 °C gave oxadiazolines 7a-c. Compound 8, obtained by refluxing 4 with carbon disulfide, was alkylated to 9 or reacted to give 10. Further reactions yielded acetoxy derivative 13 and hydroxy derivative 14. Compounds 17a-e and 18a-e were synthesized using thiomorpholinophenyl ureido/thioureido-s-triazine. These compounds were characterized and evaluated for antibacterial activity against Gram (+ve) bacteria (B. subtilis, S. aureus) and Gram (-ve) bacteria (E. coli, P. aeruginosa) in addition to yeast-like fungi (C. albicans). Compounds 11, 13, 15, 16, 17c-e, and 18a-e showed the highest antibacterial activity. Molecular docking was performed to study their binding with transpeptidases.</abstract><doi>10.1016/j.heliyon.2024.e38294</doi></addata></record> |
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| title | Synthesis of designed new 1,3,4-oxadiazole functionalized pyrano 2,3-f chromene derivatives and their antimicrobial activities |
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