Poly(ADP-ribose) polymerase-1 (PARP-1) is a new potential target for anticancer drug discovery. A series of bromophenol-thiosemicarbazone hybrids as PARP-1 inhibitors were designed, synthesized, and evaluated for their antitumor activities. Among them, the most promising compound, 11, showed excellent selective PARP-1 inhibitory activity (IC50 = 29.5 nM) over PARP-2 (IC50 > 1000 nM) and potent anticancer
Design and Synthesis of Novel Thiosemicarbazones as Potent Anti-breast Cancer Agents
作者:Mashooq Ahmad Bhat、M. Al-Tahhan、Mohamed A. Al-Omar、Ahmed M. Naglah、Abdullah Al-Dhfyan
DOI:10.2174/1570180815666181008100944
日期:2019.3.8
Thiosemicarbazones and its derivatives received a great pharmaceutical importance due to their prominent biological activities. Methods: A series of disubstituted thiosemicarbazone derivatives (1-12) were designed and synthesized as pure compounds in good yield. All the synthesized compounds were analyzed by spectral data. The anticancer activity of all the compounds was performed against breast cancer MCF-7
Synthesis and biological evaluation of novel benzoquinones as potential antimicrobial agents
作者:Ibrahim Chaaban、El Sayeda M. El Khawass、Mona A. Mahran、Heba A. Abd El Razik、Nehad S. El Salamouni、Abeer E. Abdel Wahab
DOI:10.1007/s00044-012-0076-0
日期:2013.2
New series of 2,5-dihydroxyphenyl-1,3-thiazoles 4a-l was synthesized by reacting 2,5-dihydroxyphenacyl bromide with various 4-aryl thiosemicarbazones 3a-l that on oxidation with ferric chloride yielded the corresponding N (1)-substituted benzylidene-N (2)-[3-aryl-4-(1,4-benzoquinon-2-yl)-1,3-thiazol-2-ylidene]hydrazines 5a-l. They were evaluated for antibacterial activity against Staphylococcus aureus and Bacillus subtilis as Gram-positive bacteria, Escherichia coli and Pseudomonas aeruginosa as Gram-negative bacteria. They were also evaluated for their in vitro antifungal potential against Candida albicans. Almost all tested compounds were found to possess variable degrees of antimicrobial activity. The obtained data revealed that compounds 4b-h and 5e, 5f and 5l exhibited promising antimicrobial activity against the tested organisms of which compound 4b proved to be the most active.
Synthesis and Ribonucleotide reductase inhibitory activity of thiosemicarbazones
作者:Kesavan Krishnan、Kumari Prathiba、Venkatesan Jayaprakash、Arijit Basu、Nibha Mishra、Bingsen Zhou、Shuya Hu、Yun Yen
DOI:10.1016/j.bmcl.2008.09.097
日期:2008.12
Ribonucleotide reductase (RR) is an important therapeutic target for anticancer drugs. The structure of human RR features a 1: 1 complex of two homodimeric subunits, hRRM1 and hRRM2. Prokaryotically expressed and highly purified recombinant human RR subunits, hRRM1 and hRRM2, were used for holoenzyme-based [(3)H] CDP reduction in vitro assay. Ten new thiosemicarbazones (7-16) were synthesized and screened for their RR inhibitory activity. Two thiosemicarbazones derived from p-hydroxy benzaldehyde (9 and 10) were found to be active but less potent than the standard, Hydroxyurea (HU). Guided by the activity of compounds 9 and 10, 11 new thiosemicarbazones (17-27) derived from p-hydroxy benzaldehyde were prepared and screened for their RR inhibitory activity. All the 11 compounds were more potent than HU. (C) 2008 Elsevier Ltd. All rights reserved.
Shah,I.D.; Trivedi,J.P., Journal of the Indian Chemical Society, 1963, vol. 40, p. 889 - 893