Thiazoles are very important functional groups in medicinal chemistry. They act as ligands on a variety of biological matrices. Thiazoles are used in a wide range of therapeutic applications, such as antibacterial, antiretroviral, antifungal, antiallergic, antihypertensive, pain treatment, and to control symptoms of schizophrenia.
The pyrazolopyrazine ring system is a very interesting class of heterocyclic compounds considered as important scaffolds for many effective bioactive agents with low toxicity, antioxidant, anticonvulsant, antiparasitic, anti-inflammatory, antiviral, antibacterial, anti- Fungal and analgesic activity.