Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2006-2-2
pubmed:abstractText
The synthesis of a novel series of quinazolines substituted at C4 by five-membered ring aminoheterocycles is reported. Their in vitro structure-activity relationships versus Aurora A and B serine-threonine kinases is discussed. Our results demonstrate that quinazolines with a substituted aminothiazole at C4 possess potent Aurora A and B inhibitory activity and excellent selectivity against a panel of various serine-threonine and tyrosine kinases, as exemplified by compound 46. We found also that the position and nature of the substituent on the thiazole play key roles in cellular potency. Compounds with an acetanilide substituent at C5' have the greatest cellular activity. The importance of the C5' position for substitution has been rationalized by ab initio molecular orbital calculations. Results show that the planar conformation with the sulfur of the thiazole next to the quinazoline N-3 is strongly favored over the other possible planar conformation. Compound 46 is a potent suppressor of the expression of phospho-histone H3 in tumor cells in vitro as well as in vivo, where 46, administered as its phosphate prodrug 54, suppresses the expression of phospho-histone H3 in subcutaneously implanted tumors in nude mice.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0022-2623
pubmed:author
pubmed:issnType
Print
pubmed:day
9
pubmed:volume
49
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
955-70
pubmed:dateRevised
2011-7-11
pubmed:meshHeading
pubmed-meshheading:16451062-Animals, pubmed-meshheading:16451062-Antineoplastic Agents, pubmed-meshheading:16451062-Cell Line, Tumor, pubmed-meshheading:16451062-Histones, pubmed-meshheading:16451062-Humans, pubmed-meshheading:16451062-Mice, pubmed-meshheading:16451062-Mice, Nude, pubmed-meshheading:16451062-Models, Molecular, pubmed-meshheading:16451062-Molecular Structure, pubmed-meshheading:16451062-Neoplasm Transplantation, pubmed-meshheading:16451062-Phosphoproteins, pubmed-meshheading:16451062-Phosphoric Acid Esters, pubmed-meshheading:16451062-Prodrugs, pubmed-meshheading:16451062-Protein-Serine-Threonine Kinases, pubmed-meshheading:16451062-Quantum Theory, pubmed-meshheading:16451062-Quinazolines, pubmed-meshheading:16451062-Structure-Activity Relationship, pubmed-meshheading:16451062-Thiazoles, pubmed-meshheading:16451062-Xenograft Model Antitumor Assays
pubmed:year
2006
pubmed:articleTitle
Discovery of novel and potent thiazoloquinazolines as selective Aurora A and B kinase inhibitors.
pubmed:affiliation
AstraZeneca, Centre de Recherches, Parc Industriel Pompelle, BP1050, Chemin de Vrilly, 51689 Reims Cedex 2, France. Frederic.Jung@astrazeneca.com
pubmed:publicationType
Journal Article