A bisphenol-formaldehyde resin was synthesized using the polycondensation method of bisphenol A with formaldehyde. Road bitumen has been modified with this resin. The possibility of its use as a road petroleum bitumen modifier has been established for different contents of the synthesized resin. It has been established that the introduction of synthesized bisphenol-formaldehyde resin into the composition of bitumen significantly increases its heat resistance. The synthesized resin and modified bitumens were characterized using IR spectroscopy. The change in the composition and properties of the bitumen modified with bisphenol-formaldehyde resin has been described.
Rhodanines are recognized as privileged heterocycles in medicinal chemistry. The main achievements include the development of drug-like molecules with numerous biological activities as well as approved drugs. The Furan nucleus is considered one of the promising heterocyclic cores in medicinal chemistry that showed numerous ranges of activity. The combination of several heterocycles in a one molecule commonly provides much more interest in the enhanced activity profile of its analogs than their parent separate constituents. Such conjugates are promising objects for modern medicinal chemistry. In this review paper recent advances in the synthesis and biological activities rhodanine-furan conjugates which its application in the different field of drug discovery.
Aim. Study of the synthesis, analysis of ADME - Tox parameters and anti-cancer activity of a series of N-(5-R-benzylthiazole-2-yl)-2-morpholin-4-yl-2-thioxoacetamides.
Methods. Organic synthesis, 1H NMR spectroscopy, analytical method, in silico ADME-Tox analysis and in vitro cytotoxicity assay.
Results. The series of new N-(5-R-benzylthiazole-2-yl)-2-morpholin-4-yl-2-thioxoacetamides was synthesized according to a convenient synthetic method. Their structures were confirmed by 1H NMR spectroscopy and microanalyses. Using the internet resources of SwissADME and pkCSM-pharmacokinetics, the ADME - Tox profiles of the synthesized compounds were calculated. It was determined that the substances were within the optimal limits of bioavailability. All compounds meet the criteria of drug similarity according to the rules of Lipinski, Weber, Egan and Mugge. It is also determined that low toxicity is predicted for these substances. The synthesized compounds were tested in vitro for their antitumor activity according to the Developmental Therapeutic Program of the National Cancer Institute (NCI) (www.dtp.nci.nih.gov) against 60 cancer lines in the concentration of 10 μM. Human tumor
cell lines from nine different cancer types were used: leukemia, melanoma, lung, colon, CNS, ovarian, kidney, prostate an d breast cancer. Screening results showed that, in most cases, these compounds are of low activity. An exception is the renal cancer line UO-31, which was moderately sensitive to all synthesized compounds.
Conclusions. A series of 2-aminothiazole hybrids containing morpholine moiety was synthesized and studied in silico ADME-Tox profiles. The ADME-Tox profiles indicated good oral bioavailability and low toxicity. Synthesized compounds were tested in vitro for their anti-cancer activity. They showed moderate antiproliferative activity.
A crucial direction in the progress of modern medical chemistry is the development and improvement of theoretical investigation methods of drugs mechanisms of action, predicting their activity, and virtual design of new drugs. This review describes the history of targeted search for biologically active compounds, current in silico approaches and tools used in the rational design of potential drugs, in particular the main computational strategies used in modern drug design are presented and outlines the main methodologies for implementing these strategies.
UDC: 615.277.3:547.76].012:542.9
In vitro study and characterization of anticancer activity of new heterocyclic derivative N(5methyl[1,3,4]thiadiazol2yl)propionamide. Methods. The cell culture; MTT assay. Results. We synthesized N(5methyl[1,3,4]thiadiazol2yl)propionamide, which possessed diuretic, cardioprotective, and anti-inflammatory effects. Here, we investigated its cytotoxicity effect towards the tumor cell lines of various tissue origins: liver (HepG2), breast (MCF 7), lung (A549), cervical (KB3 1), and leukemia (HL 60) cells, as well as towards the non-tumor cells (НЕК293 and NIH3T3). The IC50 values of the synthesized compound for tumor cells were in the range of 9.4–97.6 μg/mL. We found that the human hepatocellular carcinoma HepG2 cells were the most sensitive to the action of N(5methyl[1,3,4]thiadiazol 2yl)propionamide with the IC 50 value of 9.4 μg/mL. The studied derivative slightly inhibited the growth of the pseudo normal HEK293 and NIH3T3 cells. Conclusions. The anti prolife rative activity of N(5methyl[1,3,4]thiadiazol2yl)propionamide dropped in the order: hepatocarcinoma > leukemia > breast carcinoma cells. Thus, we revealed in the molecule of N(5methyl[1,3,4]thiadiazol2yl)propionamide a combination of the diuretic, cardioprotec tive, anti-inflammatory and anticancer activities, which is of great significance for this agent
as a potent anticancer medicine