申请人:METCALF ANDREW T
公开号:WO2019075108A1
公开(公告)日:2019-04-18
Provided herein are compound of Formula I-IV and pharmaceutically acceptable salts thereof which exhibit rearranged during transfection (RET) kinase inhibition. In particular, provided herein are novel crystalline forms of 4-(6-(4-((6-methoxypyridin-3-yl)methyl)piperazin-1-yl)pyridin-3-yl)-6-(1-methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyridine-3-carbonitrile (Formula I), 6-(2-hydroxy-2-methylpropoxy)-4-(6-(6-((6-methoxypyridin-3-yl)methyl)-3,6-diazabicyclo[3.1.1]heptan-3-yl)pyridin-3-yl)pyrazolo[1,5-a]pyridine-3-carbonitrile (Formula II), 6-(2-hydroxy-2-methylpropoxy)-4-(6-(6-(6-methoxynicotinoyl)-3,6-diazabicyclo[3.1.1]heptan-3-yl)pyridin-3-yl)pyrazolo[1,5-a]pyridine-3-carbonitrile (Formula III), 6-(2-hydroxy-2-methylpropoxy)-4-(6-(4-hydroxy-4-(pyridin-2-ylmethyl)piperidin-1-yl)pyridin-3-yl)pyrazolo[1,5-a]pyridine-3-carbonitrile (Formula IV), and pharmaceutically acceptable salts thereof, pharmaceutical compositions comprising the compounds, processes for making the compounds, and the use of the compounds in therapy. More particularly, the application relates to novel crystalline forms of Formula I-IV and pharmaceutically acceptable salts thereof useful in the treatment and prevention of diseases which can be treated with a RET kinase inhibitor, including RET-associated diseases and disorders.
本文提供了化合物I-IV及其药学上可接受的盐,这些化合物在转染期间表现出重排(RET)激酶抑制作用。具体来说,本文提供了4-(6-(4-((6-甲氧基吡啶-3-基)甲基)哌嗪-1-基)吡啶-3-基)-6-(1-甲基-1H-吡唑-4-基)吡唑并[1,5-a]吡啶-3-碳腈(化合物I)、6-(2-羟基-2-甲基丙氧基)-4-(6-(6-((6-甲氧基吡啶-3-基)甲基)-3,6-二氮杂双环[3.1.1]庚烷-3-基)吡啶-3-基)吡唑并[1,5-a]吡啶-3-碳腈(化合物II)、6-(2-羟基-2-甲基丙氧基)-4-(6-(6-(6-甲氧基烟酰基)-3,6-二氮杂双环[3.1.1]庚烷-3-基)吡啶-3-基)吡唑并[1,5-a]吡啶-3-碳腈(化合物III)、6-(2-羟基-2-甲基丙氧基)-4-(6-(4-羟基-4-(吡啶-2-基甲基)哌啶-1-基)吡啶-3-基)吡唑并[1,5-a]吡啶-3-碳腈(化合物IV)及其药学上可接受的盐,包括含有这些化合物的药物组合物、制备这些化合物的方法,以及这些化合物在治疗中的应用。更具体地,本申请涉及化合物I-IV的新晶型及其药学上可接受的盐,用于治疗和预防可以用RET激酶抑制剂治疗的疾病,包括与RET相关的疾病和疾病。