Synthesis, SAR, and Evaluation of 4-[2,4-Difluoro-5-(cyclopropylcarbamoyl)phenylamino]pyrrolo[2,1-f][1,2,4]triazine-based VEGFR-2 kinase inhibitors
摘要:
Introduction of the 2,4-difluoro-5-(cyclopropylcarbamoyl) phenylamino group at the C-4 position of the pyrrolo[2,1-f] [ 1,2,4] triazine scaffold led to the discovery of a novel sub-series of inhibitors of VEGFR-2 kinase activity. Subsequent SAR studies on the 1,3,5-oxadiazole ring appended to the C-6 position of this new sub-family of pyrrolotriazines resulted in the identifiation of low nanomolar inhibitors of VEGFR-2. Antitumor efficacy was observed with compound 37 against L2987 human lung carcinoma xenografts in athymic mice. (c) 2008 Elsevier Ltd. All rights reserved.
The present invention provides compounds of formula I,
and pharmaceutically acceptable salts thereof. The formula I compounds inhibit the tyrosine kinase activity of growth factor receptors such as VEGFR-2 and FGFR-1, thereby making them useful as anti-cancer agents. The formula I compounds are also useful for the treatment of other diseases associated with signal transduction pathways operating through growth factor receptors.
Synthesis, SAR, and Evaluation of 4-[2,4-Difluoro-5-(cyclopropylcarbamoyl)phenylamino]pyrrolo[2,1-f][1,2,4]triazine-based VEGFR-2 kinase inhibitors
作者:Zhen-wei Cai、Donna Wei、Robert M. Borzilleri、Ligang Qian、Amrita Kamath、Steven Mortillo、Barri Wautlet、Benjamin J. Henley、Robert Jeyaseelan、John Tokarski、John T. Hunt、Rajeev S. Bhide、Joseph Fargnoli、Louis J. Lombardo
DOI:10.1016/j.bmcl.2008.01.012
日期:2008.2
Introduction of the 2,4-difluoro-5-(cyclopropylcarbamoyl) phenylamino group at the C-4 position of the pyrrolo[2,1-f] [ 1,2,4] triazine scaffold led to the discovery of a novel sub-series of inhibitors of VEGFR-2 kinase activity. Subsequent SAR studies on the 1,3,5-oxadiazole ring appended to the C-6 position of this new sub-family of pyrrolotriazines resulted in the identifiation of low nanomolar inhibitors of VEGFR-2. Antitumor efficacy was observed with compound 37 against L2987 human lung carcinoma xenografts in athymic mice. (c) 2008 Elsevier Ltd. All rights reserved.