Discovery of Potent Cyclic GMP Phosphodiesterase Inhibitors. 2-Pyridyl- and 2-Imidazolylquinazolines Possessing Cyclic GMP Phosphodiesterase and Thromboxane Synthesis Inhibitory Activities
作者:Sung J. Lee、Yoshitaka Konishi、Dingwei T. Yu、Tamara A. Miskowski、Christopher M. Riviello、Orest T. Macina、Manton R. Frierson、Kigen Kondo、Masafumi Sugitani
DOI:10.1021/jm00018a014
日期:1995.9
Moderate cyclic GMP phosphodiesterase (cGMP-PDE, PDE V) inhibitor 2-phenyl-4-anilino-quinazoline (1) was identified utilizing MultiCASE assisted drug design (MCADD) technology. Modification of compound 1 was conducted at the 2-, 4-, and 6-positions of the quinazoline ring for enhancement of cGMP-PDE inhibitory activity. The 6-substituted 2-(imidazol-1-yl)-quinazolines are 1000 times more potent in in vitro PDE V enzyme assay than the well-known inhibitor zaprinast. The 6-substituted derivatives of 2-(3-pyridyl)quinazoline 84 and 2-(imidazol-1-yl)quinazoline 86 exhibited more than 1000-fold selectivity for PDE V over the other four PDE isozymes. In addition, cGMP-PDE inhibitors 64, 65, and 73 were found to have an additional property of thromboxane synthesis inhibitory activity.
CH···O and CH···N Hydrogen Bonds in Ligand Design: A Novel Quinazolin-4-ylthiazol-2-ylamine Protein Kinase Inhibitor
作者:Albert C. Pierce、Ernst ter Haar、Hayley M. Binch、David P. Kay、Sanjay R. Patel、Pan Li
DOI:10.1021/jm0492249
日期:2005.2.1
Aryl CH hydrogen bonds play an important role in the binding of several analogues of a pyrazol-3-ylquinazolin-4-ylamine inhibitor of glycogen synthase kinase 3 (GSK3). Understanding the importance of these (CHO)-O-... and (CHN)-N-... hydrogen bonds allowed the design of a novel quinazolin-4-ylthiazol-2-ylamine inhibitor of GSK3 with a structurally confirmed (CHO)-O-... hydrogen bond to the protein.
NAD(P)H: quinone oxidoreductase 1 inducer activity of novel 4-aminoquinazoline derivatives
作者:Mostafa M. Ghorab、Mansour S. Alsaid、Marwa G. El-Gazzar、Maureen Higgins、Albena T. Dinkova-Kostova、Abdelaaty A. Shahat
DOI:10.3109/14756366.2015.1135913
日期:2016.11.1
evaluated for their potential cytoprotective activity in murine Hepa1c1c7 cells. All of the synthesized compounds showed concentration-dependent ability to induce the cytoprotective enzyme NAD(P)H quinone oxidoreductase (NQO1) with potencies in the low- to sub-micromolar range. This approach offers an encouraging framework which may lead to the discovery of potent cytoprotective agents.