期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 66, 期 10, 页码 6725-6742出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.3c00050
关键词
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We discovered a series of C-5 pyrazole-modified pyrrolopyrimidine derivatives as JAK1-selective inhibitors, where the potential hydrogen bond between the pyrazole group and E966 in JAK1 is the key point that enhances JAK1 selectivity. These compounds exhibit 10-to 20-fold JAK1 selectivity over JAK2 in enzyme assays. Compound 12b also exhibits excellent JAK1 selectivity in Ba/F3-TEL-JAK cellular assays, and may be a viable lead compound for the development of highly JAK1-selective inhibitors for immune and inflammatory diseases, as indicated by metabolism studies and the results of the hair growth model in mice.
Developing selective inhibitors for Janus kinase 1 (JAK1) is a significant focus for improving the efficacy and alleviating the adverse effects in treating immune-inflammatory diseases. Herein, we report the discovery of a series of C-5 pyrazole-modified pyrrolopyrimidine derivatives as JAK1-selective inhibitors. The potential hydrogen bond between the pyrazole group and E966 in JAK1 is the key point that enhances JAK1 selectivity. These compounds exhibit 10-to 20-fold JAK1 selectivity over JAK2 in enzyme assays. Compound 12b also exhibits excellent JAK1 selectivity in Ba/F3-TEL-JAK cellular assays. Metabolism studies and the results of the hair growth model in mice indicate that compound 12b may be a viable lead compound for the development of highly JAK1-selective inhibitors for immune and inflammatory diseases.
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