Synthesis of 3-phenylpyrazolo[4,3-b]pyridines via a convenient synthesis of 4-amino-3-arylpyrazoles and SAR of corticotropin-Releasing factor receptor type-1 antagonists
作者:Keith Wilcoxen、Charles Q Huang、James R McCarthy、Dimitri E Grigoriadis、Chen Chen
DOI:10.1016/s0960-894x(03)00621-8
日期:2003.10
3-Phenylpyrazolo[4,3-b]pyridines were synthesized via a cyclization of 4-amino-3-phenylpyrazoles 11-13 with ethyl acetoacetate. These compounds were found to be potent CRF1 antagonists. The 2-alkylpyrazolo[4,3-b]pyridines were more polar but less active than the corresponding 1-alkyl-isomers. (C) 2003 Elsevier Ltd. All rights reserved.