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Samy A. El Assaly, Nagwan S. El Bakary, Mohammed T. Abdel Aal, Wael A. El-Sayed,

Abstract:Background: In recent papers, it was found that 1,3,4-oxadiazole, 1,3,4-thiadiazoleand 1,2,4-triazole pharmacophores are present in several drugs, tiodazosin and nesapidil (antihypertensive), raltegravir (antiretroviral), Furamizole, cefazolin and ceftezole (antibiotics), acetazolamide and methazolamide (carbonic anhydrase inhibitors), sulfamethizole (antibacterial), fluconazole, ravuconazole, voriconazole, itraconazole, posaconazole, and tebuconazole (antifungal). Methods: Thiosemicarbazide was reacted with ethyl p-substituted-phenyl glycinate; namely, ethyl p-tolylglycinate (1), ethyl p-methoxyphenylglycinate (2) or ethyl p-bromophenylglycinate (3), respectively to give compounds 4-6, which then kept with conc. H2SO4 overnight to yield 1,3,4-thiadiazol-2-amine derivatives 7-9. Compounds 10-18 were yielded by reaction of compounds 7-9 with D-sugars namely, D-galactose, D-glucose and/ or D-xylose in ethanol and catalytic amount of acetic acid. Compounds (10-18) were then acetylated with acetic anhydride to form compounds (19-21). Finely compound 7 was reacted with chloroacetyl chloride and/or acetic anhydride to afford compounds 22 and/or 23 respectively. Results: Six compounds were evaluated in vitro for their cytotoxic activity on the HepG-2 and MCF-7 human cancer cell lines. Conclusion: Among the tested compounds, compounds 6 and 13 were found to be the more potent for their cytotoxic activity on the two cancer cell lines. Peer Review History: Received: 5 March 2022; Revised: 9 April; Accepted: 1 May, Available online: 15 May 2022 Academic Editor: Dr. Asia Selman Abdullahorcid22.jpg, Pharmacy institute, University of Basrah, Iraq, [email protected] UJPR follows the most transparent and toughest ‘Advanced OPEN peer review’ system. The identity of the authors and, reviewers will be known to each other. This transparent process will help to eradicate any possible malicious/purposeful interference by any person (publishing staff, reviewer, editor, author, etc) during peer review. As a result of this unique system, all reviewers will get their due recognition and respect, once their names are published in the papers. We expect that, by publishing peer review reports with published papers, will be helpful to many authors for drafting their article according to the specifications. Auhors will remove any error of their article and they will improve their article(s) according to the previous reports displayed with published article(s). The main purpose of it is ‘to improve the quality of a candidate manuscript’. Our reviewers check the ‘strength and weakness of a manuscript honestly’. There will increase in the perfection, and transparency. Received file: 6.gif                               Reviewer's Comments:download_logo_r_29189.gifAverage Peer review marks at initial stage: 6.0/10 Average Peer review marks at publication stage: 7.0/10 Reviewers:orcid22.jpgDr. Andrzej Szymański, Poznan University of Technology, Poland, [email protected]orcid22.jpgDr. Bilge Ahsen KARA, Ankara Gazi Mustafa Kemal Hospital, Turkey, [email protected]Similar Articles:   CYTOTOXIC ACTIVITIES IN VITRO OF FLOWER EXTRACTS OF THREE SPECIES OF ALOE GROWING IN YEMEN:ALOE RUBROVIOLACEAE, ALOE VERA AND ALOE SABAEA, AGAINST ELEVEN TYPES OF CANCER CELL LINES IN VITRO GENOTOXICITY OF THREE PLANTS FROM ASTERACEAE FAMILY IN HUMAN LYMPHOCYTES CULTURES
Keywords: compounds / ALOE / published / MCF / ACTIVITY TOWARDS HEPG / cytotoxic activity / cancer cell lines

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