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    • 1. 发明申请
    • PROCESS FOR THE PURIFICATION OF THE AXL TYROSINE RECEPTOR KINASE INHIBITOR
    • 用于纯化AXL酪氨酸受体激酶抑制剂“R428”的方法
    • WO2016075477A9
    • 2017-07-06
    • PCT/GB2015053442
    • 2015-11-13
    • BERGENBIO ASJONES NICHOLAS ANDREW
    • PETERSEN LENE RAUNKJAER
    • C07D403/04
    • C07D403/14C07D403/04
    • A process for purifying 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazine-3-yl)-N 3- (7-(pyrrolidin-1-yl)-6,7,8,9-tetrahydro-5H-benzo[7]annulene-2-yl)-1H-1,2,4-triazole-3,5- diamine free base is described, the process comprising a) dissolving a quantity of crude 1-(6,7-dihydro-5H- benzo[6,7]cyclohepta[1,2-c]pyridazine-3-yl)-N 3-(7-(pyrrolidin-1-yl)-6,7,8,9- tetrahydro-5H-benzo[7]annulene-2-yl)-1H-1,2,4-triazole-3,5-diamine in a mixed solvent of C1-5alcohol and water, together with an acid, and b) increasing the pH of the solution resulting from (a) until 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazine-3-yl)-N 3-(7-(pyrrolidin-1-yl)-6,7,8,9- tetrahydro-5H-benzo[7]annulene-2-yl)-1H-1,2,4-triazole-3,5-diamine free base is precipitated from the alcohol-water mixed solvent.
    • 纯化1-(6,7-二氢-5H-苯并[6,7]环庚并[1,2-c]哒嗪-3-基)-N 3-(7-(吡咯烷-1-基) - 6,7,8,9-四氢-5H-苯并[7]轮烯-2-基)-1H-1,2,4-三唑-3,5-二胺游离碱的方法,该方法包括a)将 (6,7-二氢-5H-苯并[6,7]环庚并[1,2-c]哒嗪-3-基)-N 3-(7-(吡咯烷-1-基)-6 ,7,8,9-四氢-5H-苯并[7]轮烯-2-基)-1H-1,2,4-三唑-3,5-二胺在C1-5醇和水的混合溶剂中与 (a)得到的溶液的pH值提高至1-(6,7-二氢-5H-苯并[6,7]环庚并[1,2-c]哒嗪-3-基) - N 3-(7-(吡咯烷-1-基)-6,7,8,9-四氢-5H-苯并[7]轮烯-2-基)-1H-1,2,4-三唑-3,5 - 二胺游离碱从醇 - 水混合溶剂中沉淀出来。
    • 7. 发明申请
    • PROCESS FOR THE PURIFICATION OF THE AXL TYROSINE RECEPTOR KINASE INHIBITOR
    • AXL酪氨酸受体激酶抑制剂“R428”的纯化方法
    • WO2016075477A1
    • 2016-05-19
    • PCT/GB2015/053442
    • 2015-11-13
    • BERGENBIO ASJONES, Nicholas Andrew
    • PETERSEN, Lene Raunkjaer
    • C07D403/04
    • C07D403/14C07D403/04
    • A process for purifying 1-(6,7-dihydro-5 H -benzo[6,7]cyclohepta[1,2-c]pyridazine-3-yl)- N 3 - (7-(pyrrolidin-1-yl)-6,7,8,9-tetrahydro-5 H -benzo[7]annulene-2-yl)-1 H -1,2,4-triazole-3,5- diamine free base is described, the process comprising a) dissolving a quantity of crude 1-(6,7-dihydro-5 H - benzo[6,7]cyclohepta[1,2-c]pyridazine-3-yl)- N 3 -(7-(pyrrolidin-1-yl)-6,7,8,9- tetrahydro-5 H -benzo[7]annulene-2-yl)-1 H -1,2,4-triazole-3,5-diamine in a mixed solvent of C 1-5 alcohol and water, together with an acid, and b) increasing the pH of the solution resulting from (a) until 1-(6,7-dihydro-5 H -benzo[6,7]cyclohepta[1,2-c]pyridazine-3-yl)- N 3 -(7-(pyrrolidin-1-yl)-6,7,8,9- tetrahydro-5 H -benzo[7]annulene-2-yl)-1 H -1,2,4-triazole-3,5-diamine free base is precipitated from the alcohol-water mixed solvent.
    • 纯化1-(6,7-二氢-5H-苯并[6,7]环庚并[1,2-c]哒嗪-3-基)-N 3 - (7-(吡咯烷-1-基) - 6,7,8,9-四氢-5H-苯并[7]环烯-2-基)-1H-1,2,4-三唑-3,5-二胺游离碱的方法,该方法包括:a)将 粗品1-(6,7-二氢-5H-苯并[6,7]环庚并[1,2-c]哒嗪-3-基)-N 3 - (7-(吡咯烷-1-基)-6 ,7,8,9-四氢-5H-苯并[7]环烯-2-基)-1H-1,2,4-三唑-3,5-二胺在C1-5醇和水的混合溶剂中连同 一种酸,和b)增加由(a)直到1-(6,7-二氢-5H-苯并[6,7]环庚并[1,2-c]哒嗪-3-基) - N 3-(7-(吡咯烷-1-基)-6,7,8,9-四氢-5H-苯并[7]环烯-2-基)-1H-1,2,4-三唑-3,5- - 二胺游离碱从醇 - 水混合溶剂中沉淀。