Design and optimization of (3-aryl-1 H -indazol-6-yl)spiro[cyclopropane-1,3′-indolin]-2′-ones as potent PLK4 inhibitors with oral antitumor efficacy
摘要:
Previous efforts from our laboratory demonstrated that (E)-3-((3-(E)-vinylaryl)-1H-indazol-6-yl) methylene)-indolin-2-ones are potent PLK4 inhibitors with in vivo anticancer efficacy upon IP dosing. As part of a continued effort to develop selective and orally efficacious inhibitors, we examined variations on this theme wherein 'directly-linked' aromatics, pendant from the indazole core, replace the arylvinyl moiety. Herein, we describe the design and optimization of this series which was ultimately superseded by (3-aryl-1H-indazol-6-yl) spiro[cyclopropane-1,30-indolin]-20-ones. The latter compounds are potent and selective inhibitors of PLK4 with oral exposure in rodents and in vivo anticancer activity. Compound 13b, in particular, has a bioavailability of 22% and achieved a 96% tumor growth inhibition in an MDA-MB-468 xenograft study. (C) 2016 Elsevier Ltd. All rights reserved.
The invention is directed to a compound represented by the following structural formula and pharmaceutically acceptable salts thereof:
Compounds represented by this structural formula are kinase inhibitors and are therefore disclosed herein for the treatment of cancer. Definitions for the variables in the structural formula are provided herein.
KINASE INHIBITORS AND METHOD OF TREATING CANCER WITH SAME
申请人:Sampson Peter B.
公开号:US20120149686A1
公开(公告)日:2012-06-14
The invention is directed to a compound represented by the following structural formula and pharmaceutically acceptable salts thereof: Compounds represented by this structural formula are kinase inhibitors and are therefore disclosed herein for the treatment of cancer. Definitions for the variables in the structural formula are provided herein.
The invention is directed to a compound represented by the following structural formula and pharmaceutically acceptable salts thereof:
Compounds represented by this structural formula are kinase inhibitors and are therefore disclosed herein for the treatment of cancer. Definitions for the variables in the structural formula are provided herein.