Letters in Drug Design & Discovery - Volume 11, Issue 8, 2014

In the present study, novel imines (5-16) of para-aminosalicylic esters were prepared in good yield and purity for the investigation of their antimycobacterial properties in vitro. The chemical structures of the compounds were determined by IR, 1H-NMR, 13C-NMR, high resolution mass spectrometry and elemental analysis. Unlike para-aminosalicylic acid itself, these compounds are thermally stable and displayed activity Read More

Synthesis, characterization and investigation of antimicrobial activities of ten novel tetrahydroindazolylthiazoles is presented. Their structures were determined using 1H and 13C NMR, FAB(+)-MS and HRMS analyses. Among the derivatives, compound 3f shows strong antibacterial activity against S. aureus ATCC 43300, S. aureus ATCC 25923, and S. epidermidis ATCC 12228 with MIC 7.81 μg/ml, and good activity against S. aureus A Read More

A series of twelve pyrralothiazoles was synthesized using [3+2]- cycloaddition reactions. The synthesized compounds were screened for their antimycobacterial activity against M. tuberculosis H37Rv and INH resistant M. tuberculosis strains using agar dilution method, four of them showed good activity with MIC of less than 1μM. Compound (4d) was found to be the most active with MIC of 0.231 μM and 4.372 μM respectively.

A series of novel 1-((benzofuran-2-yl)methyl)–1H-triazole derivatives has been synthesized and tested in vitro against a panel of five different human tumor cell lines. The results show that the existence of benzotriazole or 1,2,3- triazole ring and substitution of the triazolyl-3-position with a naphthylacyl, 4-bromophenacyl or 4-methylbenzyl group could be crucial for promoting cytotoxic activity. Compounds 18, 19, 20 and 25 Read More

Sulfonate derivatives of estrone (E1) were designed and synthesized as potential reversible inhibitors of E1 sulfatase (ES). The results of the biochemical evaluation show the compounds to be weak inhibitors in comparison to the irreversible inhibitor E1-3-O-sulfamate, however, two compounds were found to possess good inhibitory activity.

Hsp90 is a potential target for the treatment of cancer. Curcumin is a natural product used to prevent and treat cancer. 4-(4-Hydroxy-3-methoxybenzyl) curcumin (C086), a 4-arylmethyl curcumin analogue, showed lead-like properties. Western blot analyses and molecular docking study supported C086 as an Hsp90 inhibitor. Subsequently, C086 analogues were designed, synthesized and evaluated. These compoun Read More

17α-Hydroxylase/17,20-lyase is a target in the treatment of hormone-dependent prostate cancer. Here we report the results of a study into a range of alkanesulfonate derivatives of 4-hydroxybenzylimidazole which show the compounds to be good inhibitors with 5 [IC50=1.11μM (17α-OHase) and IC50=1.28μM (lyase)] being the most potent but weaker than ketoconazole.

Pyrazolic compounds represent a large source of anticancer compounds, based on the choice of the scaffold structure, the nature of the substituents and the sites of coordination. Here, we discuss our recent progresses in identifying new active molecules from a synthetic library of 14 nitrogen compounds. All these compounds exert antiproliferative activity against breast and colorectal cancer cell lines with varying IC5 Read More

In this paper the quantitative structure-retention relationships (QSRR) studies for three different groups of drugs (cardiovascular system drugs, analgesic drugs and some compounds characterized by divergent pharmacological activity) and for chromatographic parameters (log k' or log k' w retention factors) determined with the use of the HPLC methods were performed. Molecular descriptors (over 4900 molecular modeling Read More

A series of sixteen N-(trans)-3-phenylprop-2-en-1-yl (cinnamyl) derivatives of various aminoalkanols was synthesized and evaluated for anticonvulsant activity and neurotoxicity. In preliminary evaluation three standard tests in mice after intraperitoneal administration were used: maximal electroshock (MES), subcutaneous pentetrazol, and rotarod test. Fifteen compounds showed some protection in MES. Next step Read More