Elnaggar DH, Abdel Hafez NA, Rashdan HRM, Abdelwahed NAM, Awad HM, Ali KA. Synthesis, Antimicrobial and Antitumor Evaluations of a New Class of Thiazoles Substituted on the
Chromene Scaffold.
Mini Rev Med Chem 2020;
19:1717-1725. [PMID:
31880237 DOI:
10.2174/1389557519666190722123422]
[Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 03/06/2019] [Accepted: 05/10/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND & OBJECTIVE
A new series of thiazoles substituted on the chromene scaffold were prepared by facial approaches starting from (E)-1-(2,3-Dihydrochromen-4-ylidene)thiosemicarbazide derivatives (2a,b). The thiosemicarbazides (2a,b) were reacted with a series of α-halo carbonyl compounds to give the corresponding rhodanine analogues and reacted also with C-acetyl-or Cethoxy- N-hydrazonoyl chlorides to afford the corresponding tri- and tetra-substituted hybrid hydrazinyl thiazole substituted chromenes.
METHODS
The newly synthesized compounds were screened for their in vitro antimicrobial and antitumor activities by agar diffusion method and MTT assay, respectively.
RESULTS
The results of the antimicrobial activity revealed that some of the new compounds exhibited excellent activity against pathogenic microorganism; Candida albicans compared with Ciprofloxacin and nystatin, as the reference drugs. All of the tested compounds exhibited significant cytotoxic activities comparable to that of the reference drug; Doxorubicin® (on HCT116 (colorectal carcinoma human cell line).
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