Microwave-assisted synthesis and antimicrobial evaluation of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-ols

A new series of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-ol derivatives was synthesized by Michael addition of chalcones 5a–j with hydrazine hydrate in presence of sodium acetate under conventional heating and microwave irradiation. Structural assignment of the produc...

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Main Authors: Ashok Dongamanti, Kavitha Rangu, Gundu Srinivas, Sarasija Madderla
Format: Article
Language:English
Published: Serbian Chemical Society 2019-01-01
Series:Journal of the Serbian Chemical Society
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/0352-5139/2019/0352-51391800113A.pdf
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author Ashok Dongamanti
Kavitha Rangu
Gundu Srinivas
Sarasija Madderla
author_facet Ashok Dongamanti
Kavitha Rangu
Gundu Srinivas
Sarasija Madderla
author_sort Ashok Dongamanti
collection DOAJ
description A new series of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-ol derivatives was synthesized by Michael addition of chalcones 5a–j with hydrazine hydrate in presence of sodium acetate under conventional heating and microwave irradiation. Structural assignment of the products was confirmed based on IR, 1H-NMR, 13C-NMR, MS and analytical data. All the synthesized compounds 6a–j were screened for their antimicrobial activity against various bacterial and fungal strains. Most of the compounds exhibited variable range of antimicrobial activity and compounds 6c–f and 6i showed promising antimicrobial potency.
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spelling doaj.art-341040acc0564f0480ec19c611c1a20b2022-12-22T01:09:14ZengSerbian Chemical SocietyJournal of the Serbian Chemical Society0352-51391820-74212019-01-0184323724410.2298/JSC171206113A0352-51391800113AMicrowave-assisted synthesis and antimicrobial evaluation of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-olsAshok Dongamanti0Kavitha Rangu1Gundu Srinivas2Sarasija Madderla3Osmania University, Department of Chemistry, Green and Medicinal Chemistry Laboratory, Hyderabad, IndiaOsmania University, Department of Chemistry, Green and Medicinal Chemistry Laboratory, Hyderabad, IndiaOsmania University, Department of Chemistry, Green and Medicinal Chemistry Laboratory, Hyderabad, IndiaDepartment of Chemistry, Satavahana University, Karimnagar, IndiaA new series of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-ol derivatives was synthesized by Michael addition of chalcones 5a–j with hydrazine hydrate in presence of sodium acetate under conventional heating and microwave irradiation. Structural assignment of the products was confirmed based on IR, 1H-NMR, 13C-NMR, MS and analytical data. All the synthesized compounds 6a–j were screened for their antimicrobial activity against various bacterial and fungal strains. Most of the compounds exhibited variable range of antimicrobial activity and compounds 6c–f and 6i showed promising antimicrobial potency.http://www.doiserbia.nb.rs/img/doi/0352-5139/2019/0352-51391800113A.pdfpyrazolepyrazolinemicrowave irradiationantimicrobial activity
spellingShingle Ashok Dongamanti
Kavitha Rangu
Gundu Srinivas
Sarasija Madderla
Microwave-assisted synthesis and antimicrobial evaluation of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-ols
Journal of the Serbian Chemical Society
pyrazole
pyrazoline
microwave irradiation
antimicrobial activity
title Microwave-assisted synthesis and antimicrobial evaluation of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-ols
title_full Microwave-assisted synthesis and antimicrobial evaluation of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-ols
title_fullStr Microwave-assisted synthesis and antimicrobial evaluation of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-ols
title_full_unstemmed Microwave-assisted synthesis and antimicrobial evaluation of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-ols
title_short Microwave-assisted synthesis and antimicrobial evaluation of 6-[3-aryl-1-phenyl-4’,5’-dihydro[4,5’-bi-1H-pyrazol]-3’-yl]-2H-chromen-5-ols
title_sort microwave assisted synthesis and antimicrobial evaluation of 6 3 aryl 1 phenyl 4 5 dihydro 4 5 bi 1h pyrazol 3 yl 2h chromen 5 ols
topic pyrazole
pyrazoline
microwave irradiation
antimicrobial activity
url http://www.doiserbia.nb.rs/img/doi/0352-5139/2019/0352-51391800113A.pdf
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