1,3-Dihydro-2N-indol-3-ones (oxindoles) and 1,3-dihydro-2H-pyrrolopyridin-2
-ones (azaoxindoles) are useful scaffolds that have been explored for vario
us pharmaceutical uses. Herein we report the synthesis of 2-chloro-5,7-dihy
dro-6H-pyrrolo[2,3-d]pyrimidin-6-one (5) and its derivatives, and the appli
cation of 5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-ones (diazaoxindoles) as
novel scaffold to kinase research areas. (C) 2001 Elsevier Science Ltd. Al
l rights reserved.