Synthesis and Biofilm Inhibition Studies of 2-(2-amino-6-arylpyrimidin-4-yl)quinazolin-4(3H)-ones.

Synthesis and Biofilm Inhibition Studies of 2-(2-amino-6-arylpyrimidin-4-yl)quinazolin-4(3H)-ones. Bioorg Med Chem Lett. 2020 Sep 11;:127550 Authors: Rasapalli S, Murphy ZF, Reddy Sammeta V, Golen JA, Weig AW, Melander RJ, Melander C, Macha P, Vasudev MC Abstract Synthesis of novel 4(3H)-quinazolinonyl aminopyrimidine derivatives has been achieved via quinazolin only enones which in turn were obtained from 2-acyl-4(3H)-quinazolinone. They have been assayed for biofilm inhibition against Gram-positive (methicillin-resistant Staphylococcus aureus (MRSA) and Gram-negative bacteria (Acinetobacter baumannii). The analogues with 2,4,6-trimethoxy phenyl, 4-methylthio phenyl, and 3-bromo phenyl substituents (5h, 5j &5k) have been shown to inhibit biofilm formation efficiently in MRSA with IC50 values of 20.7-22.4 μM). The analogues 5h and 5j have demonstrated low toxicity in human cells in vitro and can be investigated further as leads. PMID: 32927027 [PubMed - as supplied by publisher]
Source: Bioorganic and Medicinal Chemistry Letters - Category: Chemistry Authors: Tags: Bioorg Med Chem Lett Source Type: research