EUROPEAN JOURNAL OF
PHARMACEUTICAL AND MEDICAL RESEARCH

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

European Journal of Pharmaceutical and Medical Research (EJPMR) has indexed with various reputed international bodies like : Google Scholar , Indian Science Publications , InfoBase Index (In Process) , SOCOLAR, China , Research Bible, Fuchu, Tokyo. JAPAN , International Society for Research activity (ISRA) , Scientific Indexing Services (SIS) , Polish Scholarly Bibliography , Global Impact Factor (GIF) (Under Process) , Universal Impact Factor , International Scientific Indexing (ISI), UAE  , Index Copernicus , CAS (A Division of American Chemical Society) USA (Under Process) , Directory of Open Access Journal (DOAJ, Sweden, in process) , UDLedge Science Citation Index , CiteFactor , Directory Of Research Journal Indexing (DRJI) , Indian citation Index (ICI) , Journal Index (JI, Under Process) , Directory of abstract indexing for Journals (DAIJ) , Open Access Journals (Under Process) , Impact Factor Services For International Journals (IFSIJ) , Cosmos Impact Factor , Jour Informatics (Under Process) , Eurasian Scientific Journal Index (ESJI) , International Innovative Journal Impact Factor (IIJIF) , Science Library Index, Dubai, United Arab Emirates , Pubmed Database [NLM ID: 101669306] (Under Process) , IP Indexing (IP Value 2.40) , Web of Science Group (Under Process) , Directory of Research Journals Indexing , Scholar Article Journal Index (SAJI) , International Scientific Indexing ( ISI ) , 

 ISSN 2394-3211

Impact Factor: 6.222

 ICV - 79.57

Abstract

SYNTHESIS, ANTIMICROBIAL AND ANTI-INFLAMMATORY ACTIVITIES OF SOME 2-(2-CHLOROPHENYL)-6-(SUBSTITUTED PHENYL)-THIAZOLO[3,2-b][1,2,4]TRIAZOLE

Nilesh A. Karande* and Lalit G. Rathi

ABSTRACT

The reaction of 2-chlorobenzohydrazide 3 with potassium thiocyanate yield {(2-chlorobenzoyl) aminothiourea 4 followed by cyclization in the presence of base afforded 5-(2-chlorophenyl)-4H-1,2,4-triazole-3-thiol 5. Condensation of 5 with various 2-bromo-1-(substituted phenyl) ethanone 6 in the presence of base afforded 2-{[5-(2-chlorophenyl)-4H-1,2,4-triazole-3-yl]sulfanyl}-1-(substituted phenyl)ethanone 7 which on further cyclization in the presence of polyphosphoric acid afforded series of fused heterocycles namely 2-(2-chlorophenyl)-6-(substituted phenyl)-thiazolo[3,2-b][1,2,4]triazole (8a-l). The structure of all the synthesized compounds were characterized by FT-IR, 1H and 13C NMR, TOF MS ES+ data and elemental (C, H, N, S) analysis. Furthermore, compounds (8a-l) were screened for their antibacterial activity against gram negative (E. coli and P. aeruginosa) and gram positive (S. aureus and B. subtilis) bacteria, antifungal activity against pathogenic fungal strains (C. albicans and A. niger) and anti-inflammatory activities. Some of the compounds exhibited promising antibacterial, antifungal and anti-inflammatory activities.

Keywords: Thiazole; Triazole; Thiazolotriazole; Antibacterial activity; Antifungal activity; Anti-inflammatory activity.


[Full Text Article]

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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI )