Due to the pharmacological activities of quinazoline and quinazolinone scaffolds, it has
aroused great interest in medicinal chemists for the development of new drugs or drug …

Dihydrofolate reductase inhibitors are an important class of drugs, as evidenced by their use
as antibacterial, antimalarial, antifungal, and anticancer agents. Progress in understanding …

Diaryl ether (DE) is a functional scaffold existing widely both in natural products (NPs) and
synthetic organic compounds. Statistically, DE is the second most popular and enduring …

Drug-resistant bacteria pose an increasingly serious threat to mankind all over the world.
However, the currently available clinical treatments do not meet the urgent demand …

Introduction Dihydrofolate reductase (DHFR) plays an important role in the biosynthesis of
amino acid and folic acid. It participates by reducing dihydrofolate to tetrahydrofolate, in the …

Introduction: Four isomeric structures of thiadiazole motifs have outstanding
pharmacological inhibitory applications are reported in this review. Thiadiazole nucleus is …

A new series of coloring compounds (pigments) based on 5-(2-aminothiazol-5-yl) thiazol-2-
amine and 5-(4-aminophenyl) thiazol-2-amine as heterocyclic alternatives for benzidine …

New antibacterial drugs are urgently needed to tackle the rapid rise in multi-drug resistant
bacteria. DNA gyrase is a validated target for the development of new antibacterial drugs …

A new series of 2-mercapto-quinazolin-4-one analogues was designed, synthesized and
evaluated for their in vitro DHFR inhibition, antitumor and antimicrobial activity. Compound …

A series of novel malonate derivatives containing quinazolin-4 (3 H)-one moiety were
synthesized and evaluated for their antiviral activities against cucumber mosaic virus (CMV) …