A Review on a Highly Important Hetrocycle Quinazolinone Compounds and their Diverse Biological Activities

Abstract

Quinazolinone and their derivatives have been studied extensively for various biological activities such as anti-inflammatory, antimicrobial, anticancer, anticonvulsant and anti-HIV activity etc. The purpose of this review was to collate literature work reported by researchers on quinazoline for their various pharmacological activities. Quinazolinone derivatives are one of the most active classes of compounds possessing a wide spectrum of biological activity. Recently several scientists have been reported that introduction of various heterocyclic moieties at quinazolinone nucleus modulate the activity. Various derivatives of quinazolinone have been synthesized and evaluated for their biological activities. This review might be helpful in the development of these novel lead molecules to potential drug candidates for future prospect.Keywords: Quinazoline, antimicrobial, Anti HIV, Anti cancer, biologically active. IntroductionHeterocyclic chemistry comprises at least half of all organic chemistry research worldwide. In particular, heterocyclic structures form the basis of many pharmaceutical, agrochemical and veterinary products. Quinazoline (1) are classes of fused heterocycles that are of considerable interest because of the diverse range of their biological activities such as, antimicrobial, anticancer, anticonvulsant, anti-tubercular, etc [1][2][3][4][5]. Quinazolin is a heterocyclic compound consists of two fused six membered simple aromatic rings, a benzene ring and a pyrimidine ring. The quinazolin nucleus has attracted the attention of medicinal chemists due to its well known anticancer activity, and many substituted quinazolin derivatives have recently earned great interest in chemotherapy as antitumor drugs [6]. Pharmacologically quinazolin particularly quinazolin-4-one (2) or quinazolinone are the most important classes of heterocyclic compounds. Quinazolin-4-one is synthesized when the keto group is introduced in the pyrimidine ring of quinazolin. Quinazolinone compounds possess versatile biological activities; such as anticancer [7][8]