20478-70-0Relevant articles and documents
Concise total synthesis of hydrazidomycin A, a rare hydrazide metabolite of streptomyces atratus
Meyer, Florian,Ueberschaar, Nico,Hertweck, Christian
, p. 4242 - 4244 (2013)
Hydrazidomycins A-C and elaiomycins B-C represent a family of unusual, naturally occurring enehydrazides produced by Streptomyces sp. A general synthetic approach to access these densely functionalized hydrazine derivatives is exemplified by the first total synthesis of hydrazidomycin A. The modular synthesis involves a ruthenium-catalyzed hydroamidation of an alkyne and a hydrazide-derived phthalimide to yield predominantly the Z-configured enehydrazide. Copyright
Lipophilic gold(I) complexes with 1,3,4-oxadiazol-2-thione or 1,3-thiazolidine-2-thione moieties: synthesis and their cytotoxic and antimicrobial activities
de Almeida, Angelina Maria,de Oliveira, Bruno Assis,de Castro, Pedro P?ssa,de Mendon?a, Camille Carvalho,Furtado, Ricardo Andrade,Nicolella, Heloiza Diniz,da Silva, Vania Lúcia,Diniz, Cláudio Galuppo,Tavares, Denise Crispim,Silva, Heveline,de Almeida, Mauro Vieira
, p. 841 - 857 (2017/10/07)
Novel lipophilic gold(I) complexes containing 1,3,4-oxadiazol-2-thione or 1,3-thiazolidine-2-thione derivatives were synthesized and characterized by IR, high resolution mass spectrometry, and 1H, 13C 31P NMR. The cytotoxicity of the compounds was evaluated considering cisplatin and/or auranofin as reference in different tumor cell lines: colon cancer (CT26WT), metastatic skin melanoma (B16F10), breast adenocarcinoma (MCF-7), cervical carcinoma (HeLa), glioblastoma (M059?J). Normal human lung fibroblasts (GM07492-A) and kidney normal cell (BHK-21) were also evaluated. The gold(I) complexes were more active than their respective free ligands and cisplatin. Furthermore, antibacterial activity was evaluated against Gram-positive bacteria Staphylococcus aureus ATCC 25213, Staphylococcus epidermidis ATCC 12228 and Gram-negative bacteria Escherichia coli ATCC 11229 and Pseudomonas aeruginosa ATCC 27853 and expressed as the minimum inhibitory concentration (MIC). The complexes exhibited lower MIC values when compared to the ligands and chloramphenicol against Gram-positive bacteria and Gram-negative bacteria. Escherichia coli was sensitive one to the action of gold(I) complexes.
Synthesis of some novel 2,5-disubstituted thiazolidinones from a long chain fatty acid as possible anti-inflammatory, analgesic and hydrogen peroxide scavenging agents
Kumar, Vipin,Sharma, Archana,Chander Sharma, Prabodh
, p. 198 - 203 (2011/10/18)
Some new decanoic acid [2,5-disubstituted-4-oxo-thiazolidin-3-yl]amides (6a-j) have been synthesised by the condensation of decanoic acid hydrazide with various aromatic aldehydes to yield the Schiff's bases. Cyclocondensation of the Schiff's bases with thioglycollic acid afforded 4-thiazolidinone derivatives. The structures of the newly synthesised compounds were confirmed by analytical and spectral methods. The anti-inflammatory, analgesic and antioxidant activity of the title compounds were evaluated. Compound 6j exhibited 44.84 % inhibition of inflammation and was the most potent anti-inflammatory agent of the series whereas compound 6f demonstrated the most potent analgesic activity (69.82% inhibition of writhing) followed by compounds 6e and 6g. All the synthesised compounds exhibited a potent antioxidant activity.