Synthesis, Characterization and Photodynamic Activity against Bladder Cancer Cells of Novel Triazole-Porphyrin Derivatives
作者:Ana T. P. C. Gomes、Rosa Fernandes、Carlos F. Ribeiro、João P. C. Tomé、Maria G. P. M. S. Neves、Fernando de C. da Silva、Vítor F. Ferreira、José A. S. Cavaleiro
DOI:10.3390/molecules25071607
日期:——
Novel triazole-porphyrin derivatives (TZ-PORs) were synthesized through the Heck reaction and then incorporated into polyvinylpyrrolidone (PVP) micelles. After verifying that this incorporation did not compromise the photophysical and chemical features of TZ-PORs as photosensitizers, the phototoxicity of the formulations towards cancer cells was screened. Biological studies show high photodynamic activity
Simple synthesis of 1-substituted-4-vinyl-1,2,3-triazoles based on polystyrene-supported sulfonyl chloride
作者:Zhe Wang、Shou-Ri Sheng、Mei-Hong Wei、Xiao-Ling Liu
DOI:10.1080/00397911.2015.1130228
日期:2016.2
applied to the traceless solid-phase organic synthesis of 1-substituted-4-vinyl-1,2,3-triazoles by CuI-promoted 1,3-dipolar cycloaddition reaction with various organic azides and subsequent cleavage from the polymer support through elimination reaction mediated by 1.8-diazabicyclo[5,4,0]undec-7-ene (DBU). The advantages of this new synthetic method include simple operation and moderate to good yields of
摘要 聚苯乙烯负载的丁-3-炔基磺酸酯试剂已被开发并应用于通过 CuI 促进的 1,3-偶极环加成无痕固相有机合成 1-取代-4-乙烯基-1,2,3-三唑与各种有机叠氮化物反应,随后通过由 1.8-二氮杂双环[5,4,0]十一碳-7-烯 (DBU) 介导的消除反应从聚合物载体上裂解。这种合成新方法的优点是操作简单,产品收率适中,试剂稳定性好。图形概要
Synthesis and evaluation of the cytotoxic activity of Furanaphthoquinones tethered to 1H-1,2,3-triazoles in Caco-2, Calu-3, MDA-MB231 cells
作者:Dora C.S. Costa、Gabriella Silva de Almeida、Vitor Won-Held Rabelo、Lucio Mendes Cabral、Plínio Cunha Sathler、Paula Alvarez Abreu、Vitor Francisco Ferreira、Luiz Cláudio Rodrigues Pereira da Silva、Fernando de C. da Silva
DOI:10.1016/j.ejmech.2018.07.018
日期:2018.8
are structural pharmacophore that is known to impart several cancer cells. This work shows a synthetic methodology to obtain hybrid molecules involving naphthoquinone and triazol scaffold as multiple ligands. A simple and efficient synthetic route was used to prepare a series of sixteen compounds being eight 2-(1-aryl-1H-1,2,3-triazol-4-yl)-2,3-dihydronaphtho[1,2 b]furan-4,5-diones and eight 2-(1-aryl-1H-1
萘醌和1,2,3-三唑是已知可赋予几种癌细胞的结构药效团。这项工作显示了一种合成方法,可获得涉及萘醌和三唑支架作为多个配体的杂合分子。一种简单有效的合成方法用于制备一系列十六种化合物,即八种2-(1-芳基-1 H -1,2,3-三唑-4-基)-2,3-二氢萘并[1,2 b ]呋喃-4,5-二酮和八个2-(1-芳基-1 H -1,2,3-三唑-4-基)-2,3-二氢萘并[2,3- b ]呋喃-4,9 -diones。这些化合物已在MDA-MB231,Caco-2和Calu-3人类癌细胞中进行了测试,其中7a在本研究中最敏感的细胞系Caco-2细胞上,它是最有选择性的化合物。计算机研究表明,拓扑异构酶I和IIα的阻断可能是7a在Caco-2细胞中产生细胞毒性作用的作用机制之一。
Novel 1,2,3-Triazole Derivatives for Use against <i>Mycobacterium tuberculosis</i> H37Rv (ATCC 27294) Strain
作者:Nubia Boechat、Vitor F. Ferreira、Sabrina B. Ferreira、Maria de Lourdes G. Ferreira、Fernando de C. da Silva、Monica M. Bastos、Marilia dos S. Costa、Maria Cristina S. Lourenço、Angelo C. Pinto、Antoniana U. Krettli、Anna Caroline Aguiar、Brunno M. Teixeira、Nathalia V. da Silva、Priscila R. C. Martins、Flavio Augusto F. M. Bezerra、Ane Louise S. Camilo、Gerson P. da Silva、Carolina C. P. Costa
DOI:10.1021/jm2003624
日期:2011.9.8
The purpose of this study was to prepare various 4-substituted N-phenyl-1,2,3-triazole derivatives using click chemistry. The derivatives were screened in vitro for antimicrobial activity against Mycobacterium tuberculosis strain H37Rv (ATCC 27294) using the Alamar Blue susceptibility test. The activity was expressed as the minimum inhibitory concentration (MIC) in mu g/mL (mu M). Derivatives of isoniazid (INH), (E)-N'-[(1-aryl)-1H-1,2,3-triazole-4-yl)methylene] isonicotinoyl hydrazides, exhibited significant activity with MIC values ranging from 2.5 to 0.62 mu g/mL. In addition, they displayed low cytotoxicity against liver cells (hepatoma HepG2) and kidney cells (BGM), thereby providing a high therapeutic index. The results demonstrated the potential and importance of developing new INH derivatives to treat mycobacterial infections.