“…15 Carboxamide scaffolds are of immense interest in medicinal chemistry. 16,17 The pharmaceutically important ergot alkaloids such as dehydro ergotamine and ergotamine contain amide linkage. There are many drugs like atorvastatin, valsartan, paracetamol and penicillin available in the market, which contains amide linkage in the nucleus and possesses varied therapeutic activities like antimycobaterial, antimicrobial, antifungal, cytotoxic, antiepileptic and analgesic properties.…”