Novel Bis-1,2,3-triazole-thiazolidinone hybrid as anticancer agents that induce apoptosis and molecular modeling study.

A series of (R)-Carvone-based 1,2,3-triazole-thiazolidinone hybrids were synthesized and characterized by spectroscopic techniques NMR and HRMS. The chemical reactivity and the stability parameters were observed via DFT. The objective was to evaluate the anticancer activity of the synthesized compounds against cancer cell lines.

Thiazolidinone-linked-1,2,3-triazoles with (R)-Carvone as new potential anticancer agents.

This study explores the cytotoxic and apoptotic effects of novel thiazolidinone-1,2,3-triazole hybrids on HT-1080, A-549, and MDA-MB-231 cancer cell lines. The synthesized compounds underwent comprehensive characterization (NMR and HRMS) to confirm their structures and purity. Subsequent anticancer activity screening across diverse cancer cell lines revealed promising antitumor potential notably, compounds and .

Multitargeted molecular docking and dynamics simulation studies of 1,3,4-thiadiazoles synthesised from (R)-carvone against specific tumour protein markers: An In-silico study of two diastereoisomers.

In the present work, we describe the synthesis of new 1,3,4-thiadiazole derivatives from natural (R)-carvone in three steps including, dichloro-cyclopropanation, a condensation with thiosemicarbazide and then a 1,3-dipolar cycloaddition reaction with various nitrilimines. the targeted compounds were structurally identified by H & C NMR and HRMS analyses. The cytotoxic assay demonstrated that some synthesized novel compounds were potent on certain cancer cell lines.

New (S)-verbenone-isoxazoline-1,3,4-thiadiazole hybrids: synthesis, anticancer activity and apoptosis-inducing effect.

This study aimed to develop novel isoxazoline-1,3,4-thiadiazole hybrids from (S)-verbenone for potential anticancer treatment, particularly focusing on cytotoxic and apoptotic effects in hormone-sensitive MCF-7 and triple-negative MDA-MB-231 breast cancer cells. (S)-verbenone was used to synthesize hybrids through 1,3-dipolar cycloaddition, followed by thorough characterization. The compounds were screened across cancer cell lines, showing significant anticancer effects.

Discovery of a new Bcl-2 inhibitor through synthesis, anticancer activity, docking and MD simulations.

A database of 300 compounds was virtually screened and docked against Bcl-2 protein; the stability of the best-formed complex was evaluated through Molecular dynamics, the top ten compounds with the best complexation affinities were synthesized, and their cytotoxic activity was examined. Thiazolidinone (4e) and isoxazoline (4a-d) were evaluated . For further evaluation and examination, we designed and synthesized from naturally occurring (R)-carvone and characterized it spectroscopic analysis, as well as tested for their anticancer activities towards human cancer cell lines such as HT-1080 (fibrosarcome cancer), MCF-7 and MDA-MB-231 (breast cancer) and A-549 (lung cancer) by using MTT method with Doxorubicin as standard drug.

Novel Hydrazono-2-Iminothiazolidin-4-Ones Based on a Monoterpenic Skeleton as Potential Antitumor Agents: Synthesis, DFT Studies, in Vitro Cytotoxicity, Apoptosis Inducing Properties and Molecular Docking.

A series of novel 2-iminothiazolidin-4-one analogs have been synthesized from limonaketone, and structurally characterized by HR-MS, H-NMR and C-NMR spectroscopy techniques, and the structure of compound 4 was elucidated by XRD. The newly synthesized products were biologically evaluated in vitro for their cytotoxic activity against human cancer cell lines HT-1080, A549, and MCF-7. Thiazolidinones 9 and 10 were the most active compounds in HT-1080 cell lines (IC =15.

Investigating novel thiazolyl-indazole derivatives as scaffolds for SARS-CoV-2 M inhibitors.

COVID-19 is a global pandemic caused by infection with the SARS-CoV-2 virus. Remdesivir, a SARS-CoV-2 RNA polymerase inhibitor, is the only drug to have received widespread approval for treatment of COVID-19. The SARS-CoV-2 main protease enzyme (M), essential for viral replication and transcription, remains an active target in the search for new treatments.

New 1,2,3-Triazoles from (R)-Carvone: Synthesis, DFT Mechanistic Study and In Vitro Cytotoxic Evaluation.

Aseries of novel 1,4-disubstituted 1,2,3-triazoles were synthesized from an (R)-carvone terminal alkyne derivative via a Cu (I)-catalyzed azide-alkyne cycloaddition reaction using CuSO,5HO as the copper (II) source and sodium ascorbate as a reducing agent which reduces Cu (II) into Cu (I). All the newly synthesized 1,2,3-triazoles - were fully identified on the basis of their HRMS and NMR spectral data and then evaluated for their cell growth inhibition potential by MTS assay against HT-1080 fibrosarcoma, A-549 lung carcinoma, and two breast adenocarcinoma (MCF-7 and MDA-MB-231) cell lines. Compound showed notable cytotoxic effects against the HT-1080 and MCF-7 cells with IC values of 25.

Design, synthesis, biological evaluation and molecular docking of new 1,3,4-oxadiazole homonucleosides and their double-headed analogs as antitumor agents.

A novel series of homonucleosides and their double-headed analogs containing theophylline, 1,3,4-oxadiazole, and variant nucleobases was designed and synthesized. The new derivatives were fully characterized by HRMS, FT-IR, H NMR, and C NMR. The cytotoxic activities of all prepared compounds were screened in vitro against four cell lines, including fibrosarcoma (HT-1080), breast (MCF-7 and MDA-MB-231), and lung carcinoma (A-549).

Design, synthesis, biological evaluation and molecular docking of new uracil analogs-1,2,4-oxadiazole hybrids as potential anticancer agents.

A new series of uracil analogues-1,2,4-oxadiazole hybrid derivatives were synthesized by a new, simple, and efficient method using for the first time HAP-SOH as an heterogenous acid catalyst for the condensation and cyclization between amidoxime and aldehyde. The new derivatives were characterized by HRMS, FT-IR, H NMR, and C NMR spectroscopy techniques. The synthesized 1,2,4-oxadiazole hybrids were evaluated for their cytotoxic activity in five human cancer cell lines: melanoma (A-375), fibrosarcoma (HT-1080), breast (MCF-7 and MDA-MB-231), and lung carcinoma (A-549).

Hemisynthesis, crystal structure and inhibitory effect of sesquiterpenic thiosemicarbazones and thiazolidin-4-ones on the corrosion behaviour of stainless steel in 1 M HSO solution.

Treatment of thiosemicarbazones prepared from sesquiterpenes with ethyl 2-bromoacetate in the presence of sodium acetate afforded the corresponding thiazolidin-4-ones. The structures of all the newly synthesized compounds were established by considering spectral and single-crystal X-ray diffraction data. The title compound, ethyl 2-((Z)-2-{(Z)-[(1aR,5aR,9aS)-1,1-dichloro-1a,5,5,7-tetramethyl-1a,2,3,4,5,5a,8,9-octahydro-1H-benzo[a]cyclopropa[b][7]annulen-8-ylidene]hydrazono}-4-oxothiazolidin-3-yl)acetate, CHClNOS, 5, crystallizes in the orthorhombic noncentrosymmetric space group P222 with Z = 4.

New polysubstituted monoterpenic thiazolidinones: synthesis, spectroscopic and crystal structure studies.

The synthesis of three new polysubstituted monoterpenic thiazolidin-4-ones, namely (Z)-3-methyl-2-{(E)-[(1R,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylidene]hydrazinylidene}thiazolidin-4-one, CHNOS (2), (2Z,5Z)-5-[(dimethylamino)methylidene]-2-{(E)-[(1R,4R)-1,7,7-trimethylbicyclo[2.

Crystal structure of (4b,8a)-1-isopropyl-4b,8,8-trimethyl-7-oxo-4b,7,8,8a,9,10-hexa-hydro-phenanthren-2-yl acetate.

The title compound, CHO, was prepared by a direct acetyl-ation reaction of naturally occurring totarolenone. The mol-ecule contains three fused rings, which exhibit different conformations. The central ring has a half-chair conformation, while the non-aromatic oxo-substituted ring has a screw-boat conformation.

Crystal structure of methyl ()-2-[()-3-methyl-2-({()-1-[(*)-4-methyl-cyclo-hex-3-en-1-yl]ethyl-idene}hydrazinyl-idene)-4-oxo-thia-zolidin-5-yl-idene]acetate.

The new title 4-thia-zolidinone derivative, CHNOS, was obtained from the cyclization reaction of 4-methyl-3-thio-semicarbazone and dimethyl acetyl-enedi-carboxyl-ate (DMAD). The cyclo-hexyl-idene ring has an envelope conformation with the stereogenic centre C atom as the flap. Its mean plane makes a dihedral angle of 56.