Thiophene is a five-membered heterocyclic compound containing a sulfur heteroatom with the molecular formula C4H4S. Thiophene is aromatic and is very similar to benzene; electrophilic substitution reaction is easier than benzene, and it is mainly substituted at the 2-position. Thiophene ring system has certain stability to oxidant.
The imidazothiazole, consisting of an imidazole ring fused with a thiazole ring, has been reported to have excellent immunostimulating and anti-inflammatory activities. Fused heterocyclic compounds are of great importance and are found in various types of synthetic and naturally occurring biologically important compounds. Imidazothiazoles and imidazopyridines possess a variety of applications such as dyes, pesticides, fungicides, antitumor, antiinflammatory, and analgesic activity.
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