Journal
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 18, Issue 17, Pages 4907-4912Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2008.06.042
Keywords
N-9-arenethenyl purines; Src/Abl tyrosine kinase inhibitors
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Novel N-9-arenethenyl purines, optimized potent dual Src/Abl tyrosine kinase inhibitors, are described. The key structural feature is a trans vinyl linkage at N-9 on the purine core which projects hydrophobic substituents into the selectivity pocket at the rear of the ATP site. Their synthesis was achieved through a Horner-Wadsworth-Emmons reaction of N-9-phosphorylmethylpurines and substituted benzaldehydes or Heck reactions between 9-vinyl purines and aryl halides. Most compounds are potent inhibitors of both Src and Abl kinase, and several possess good oral bioavailability. (C) 2008 Elsevier Ltd. All rights reserved.
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