Microwave-assisted synthesis and antimicrobial screening of new imidazole derivatives bearing 4-thiazolidinone nucleus

Microwave assisted green synthesis of thiazolidin-4-one derivatives: A perspective on potent antiviral and antimicrobial activities

Thiazolidin-4-one has been known as a powerful moiety present in various approved medications. Thiazolidin-4-ones are amongst the most effective and actively explored fields of current antimicrobial and antiviral chemotherapy that portray broad spectrum and potent activity. The wide range of medicinal properties of thiazolidin-4-one related drugs encourages the medicinal chemists to synthesize a significant variety of new medicinal substances. Microwave induced organic reactions earned substantial coverages in recent years due to many advantages such as ease of work, cost-effectiveness, short reaction time and excellent yield. Microwave radiations provide a substitute for traditional heating by incorporating energy to the reactions. The usage of microwave irradiation has contributed to the emergence of innovative ideas in chemistry, as energy absorption and propagation in microwave irradiation is entirely dissimilar to the traditional heating method. In synthetic chemistry, microwave heating is a rapidly growing area of research. This review cover organic synthesis of thiazolidin-4-one analogues via the use of microwave irradiation as an effective technique and the antiviral and antimicrobial action of thiazolidin-4-one based compounds.

•Introduction to microwave-assisted synthesis along with benefits and applications. •Microwave irradiation based synthetic routes of various thiazolidin-4-one derivatives. •Ativiral and antimicrobial activity profile of thiazolidin-4-ones prepared by MW irradiation.

Synthesis, antimicrobial and cytotoxic activities of some novel thiazole clubbed 1,3,4-oxadiazoles

A series of thiazole clubbed 1,3,4-oxadiazole derivatives (5a-l) have been synthesized and characterized by IR, (1)H NMR, (13)C NMR and mass spectral analysis. Synthesized compounds were evaluated for their antimicrobial and cytotoxic activities. The results indicated that, compounds 5c and 5i exhibited the most potent antibacterial activity. Compound 5f was found to be the most potent antifungal agent. The structure activity relationship revealed that the presence of electron withdrawing groups at para position of phenyl ring remarkably enhanced the antibacterial activity of synthesized compounds. Further, the results of preliminary MTT cytotoxicity studies on HeLa cells suggested that potent antimicrobial activity of 5b, 5c, 5f, 5h and 5i is accompanied by low cytotoxicity.