tert-butyl 3-(methylamino)but-2-enoate | 36244-61-8

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: tert-butyl 3-(methylamino)but-2-enoate
• CAS: 36244-61-8
• 化学式: C₉H₁₇NO₂
• 分子量: 171.239
• InChiKey: CGUPAQGQPIPGLH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  12
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  38.3
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  tert-butyl 3-(methylamino)but-2-enoate 在 一水合肼 、 三乙胺 作用下， 以 甲醇 、 甲基叔丁基醚 为溶剂， 生成 tert-butyl 5-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylate
  参考文献：
  名称：

  氟代烷基取代的吡唑-4-羧酸的多克合成

  摘要：

  3-（甲基氨基）丁-2-烯酸叔丁酯与氟化乙酸酐的酰化发生在烯胺碳原子上。所得的 3-(甲基氨基)-2-(RFCO)but-2-enoates 叔丁酯与烷基肼的反应产生了异构吡唑的混合物，这些混合物很容易通过柱色谱分离。以多克规模获得目标氟化吡唑-4-羧酸。

  DOI：

  10.1002/ejoc.201403295

文献信息

• [EN] ISOXAZOLE O-LINKED CARBAMOYL CYCLOHEXYL ACIDS AS LPA ANTAGONISTS<br/>[FR] ACIDES CARBAMOYLE CYCLOHEXYLIQUES À LIAISON O ISOXAZOLE UTILISÉS EN TANT QU'ANTAGONISTES DE LPA
  申请人：BRISTOL MYERS SQUIBB CO

  公开号：WO2019126084A1

  公开（公告）日：2019-06-27

  The present invention provides compounds of Formula (Ia) or (Ib) or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein wherein X1, X2, X3, and X4 are each independently CR6 or N; provided that no more than two of X1, X2, X3, or X4 are N; L is C1-4 alkylene substituted with 0 to 4 R7; R1 is (-CH2)aR9; a is an integer of 0 or 1; R2 is each independently halo, cyano, hydroxyl, amino, C1-6 alkyl, C3-6 cycloalkyl, C4-6 heterocyclyl, alkylamino, haloalkyi, hydroxyalkyi, aminoalkyi, alkoxy, alkoxyalkyi, haloalkoxyallcyl, or haloalkoxy; n is an integer of 0, 1, or 2; R3 is hydrogen, C1-6 alkyl, C1-6 deuterated alkyl, haloalkyi, hydroxyalkyi, aminoalkyi, alkoxyalkyi, haloalkoxyalkyl, alkoxy, or haloalkoxy, and the alkyl, by itself or as part of other moiety, is optionally substituted with deuterium partially or fully; R4 is C1-10 alkyl, C1-10 deuterated alkyl, C1-10 haloalkyi, C1-10 alkenyl, C3-8 cycloalkyl, 6 to 10-membered aryl, 3 to 8-membered heterocyclyl, -(C1-6 alkylene)-(C3-8 cycloalkyl), -(C1-6 alkylene)-(6 to 10-membered aryl), -(C1-6 alkylene)-(3 to 8-membered heterocyclyl), or -(C1-6 alkylene)-(5 to 6-membered heteroaryl); wherein each of the alkyl, alkylene, alkenyl, cycloalkyl, aryl, heterocyclyl, and heteroaryl, by itself or as part of other moiety, is independently substituted with 0 to 3 R8; or alternatively, R3 and R4, taken together with the N atom to which they are attached, form a 4 to 9-membered heterocyclic ring moiety which is substituted with 0 to 3 R; R5 and R6 are each independently hydrogen, halo, cyano, hydroxyl, amino, C1-6 alkyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, or haloalkoxy; R7 is halo, oxo, cyano, hydroxyl, amino, C1-6 alkyl, C3-6 cycloalkyl, C4-6 heterocyclyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, or haloalkoxy; R8 are each independently deuterium, halo, hydroxyl, amino, cyano, C1-6 alkyl, C1-6 deuterated alkyl, C2-6 alkenyl, C2-6 alkynyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, haloalkoxy, phenyl, or 5 to 6-membered heteroaryl; or alternatively, two R8, taken together with the atoms to which they are attached, form a 3 to 6-membered carbocyclic ring or a 3 to 6-membered heterocyclic ring each of which is independently substituted with 0 to 3 R12; R9 is selected from -CN, -C(O)OR10, -C(O)NR11aR11b, -CO-NH-CO-Re, -CO-NH-SO2-Re, -CO-NH-SO-Re, -SO2-OH, -SO2-NH-CO-Re, -P(O)(OH)2, tetrazol-5-yl, -CH2-CO-NH-CO-Re, -CH2-CO-NH-SO2-Re, CH2-CO-NH-SO-Re, -CH2-SO2-OH, -CH2-SO2-NH-CO-Re, -CH2-P(O)(OH)2, tetrazol-5-ylmethylene; Re is C1-6 alkyl, C3 -6 cycloalkyl, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, or haloalkoxyalkyl; R10 is hydrogen or C1-10 alkyl; and R11a and R11b are each independently hydrogen, C1-6 alkyl, C3-6 cycloalkyl, C4-6 heterocyclyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, or haloalkoxy; and R12 is halo, cyano, hydroxyl, amino, C1-6 alkyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, haloalkoxy, phenyl, or 5 to 6-membered heteroaryl. These compounds are selective LPA receptor inhibitors.

  本发明提供了式(Ia)或(Ib)的化合物或其立体异构体、互变异构体或药学上可接受的盐或溶剂，其中X1、X2、X3和X4分别独立地为CR6或N；但X1、X2、X3或X4中不超过两个为N；L为C1-4烷基，其上取代有0至4个R7；R1为(-CH2)aR9；a为0或1的整数；R2分别为卤素、氰基、羟基、氨基、C1-6烷基、C3-6环烷基、C4-6杂环烷基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基、烷氧基烷基、卤代烷氧基烷基或卤代烷氧基；n为0、1或2的整数；R3为氢、C1-6烷基、C1-6氘代烷基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基烷基、烷氧基或卤代烷氧基，烷基本身或作为其他基团的一部分，可以部分或完全地被氘取代；R4为C1-10烷基、C1-10氘代烷基、C1-10卤代烷基、C1-10烯基、C3-8环烷基、6至10成员芳基、3至8成员杂环烷基、-(C1-6烷基)-(C3-8环烷基)、-(C1-6烷基)-(6至10成员芳基)、-(C1-6烷基)-(3至8成员杂环烷基)或-(C1-6烷基)-(5至6成员杂芳基)；其中烷基、烷基烯烃、烷烃、芳基、杂环烷基和杂芳基中的每一个，本身或作为其他基团的一部分，可以独立地被0至3个R8取代；或者，R3和R4，与它们连接的N原子一起，形成一个取代有0至3个R的4至9成员杂环基团；R5和R6分别独立地为氢、卤素、氰基、羟基、氨基、C1-6烷基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基烷基、烷氧基或卤代烷氧基；R7为卤素、氧、氰基、羟基、氨基、C1-6烷基、C3-6环烷基、C4-6杂环烷基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基烷基、烷氧基或卤代烷氧基；R8分别独立地为氘、卤素、羟基、氨基、氰基、C1-6烷基、C1-6氘代烷基、C2-6烯基、C2-6炔基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基烷基、烷氧基、卤代烷氧基、苯基或5至6成员杂芳基；或者，两个R8，与它们连接的原子一起，形成一个取代有0至3个R12的3至6成员碳环基或3至6成员杂环基；R9从-CN、-C(O)OR10、-C(O)NR11aR11b、-CO-NH-CO-Re、-CO-NH-SO2-Re、-CO-NH-SO-Re、-SO2-OH、-SO2-NH-CO-Re、-P(O)(OH)2、四唑-5-基、- -CO-NH-CO-Re、- -CO-NH-SO2-Re、 -CO-NH-SO-Re、- -SO2-OH、- -SO2-NH-CO-Re、-CH2-P(O)(OH)2、四唑-5-基亚甲基中选择；Re为C1-6烷基、C3-6环烷基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基或卤代烷氧基；R10为氢或C1-10烷基；R11a和R11b分别独立地为氢、C1-6烷基、C3-6环烷基、C4-6杂环烷基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基、烷氧基或卤代烷氧基；R12为卤素、氰基、羟基、氨基、C1-6烷基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基、烷氧基或卤代烷氧基、苯基或5至6成员杂芳基。这些化合物是选择性的LPA受体抑制剂。
• [EN] CYCLOHEXYL ACID ISOXAZOLE AZINES AS LPA ANTAGONISTS<br/>[FR] AZINES ISOXAZOLE D'ACIDE DE CYCLOHEXYLE EN TANT QU'ANTAGONISTES DE LPA
  申请人：BRISTOL MYERS SQUIBB CO

  公开号：WO2019126086A1

  公开（公告）日：2019-06-27

  The present invention provides compounds of Formula (Ia) or (Ib): (Ia) or (Ib), or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein all the variables are as defined herein. These compounds are selective LPA receptor inhibitors.

  本发明提供了Formula（Ia）或（Ib）的化合物：（Ia）或（Ib），或其立体异构体、互变异构体或药学上可接受的盐或溶剂，其中所有变量如本文所定义。这些化合物是选择性LPA受体抑制剂。
• [EN] CYCLOHEXYL ACID ISOXAZOLE AZOLES AS LPA ANTAGONISTS<br/>[FR] ACIDE CYCLOHEXYLE ISOXAZOLE AZOLES EN TANT QU'ANTAGONISTES DE LPA
  申请人：BRISTOL MYERS SQUIBB CO

  公开号：WO2019126087A1

  公开（公告）日：2019-06-27

  The present invention provides compounds of Formula (Ia) or (Ib):Formula (Ia) or (Ib), or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein all the variables are as defined herein. These compounds are selective LPA receptor inhibitors.

  本发明提供了公式(Ia)或(Ib)的化合物: 公式(Ia)或(Ib)，或其立体异构体、互变异构体或药学上可接受的盐或溶剂，其中所有变量如本文所定义。这些化合物是选择性LPA受体抑制剂。
• [EN] CYCLOBUTYL CARBOXYLIC ACIDS AS LPA ANTAGONISTS<br/>[FR] ACIDES CYCLOBUTYL-CARBOXYLIQUES UTILISÉS COMME ANTAGONISTES DE LPA
  申请人：BRISTOL MYERS SQUIBB CO

  公开号：WO2020257139A1

  公开（公告）日：2020-12-24

  The present invention provides compounds of Formula (I): (I), or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein all the variables are as defined herein. These compounds are selective LPA receptor inhibitors.

  本发明提供公式（I）的化合物：（I），或其立体异构体，互变异构体，或其药学上可接受的盐或溶剂，其中所有变量如本文所定义。这些化合物是选择性LPA受体抑制剂。
• Isoxazole o-linked carbamoyl cyclohexyl acids as LPA antagonists
  申请人：BRISTOL-MYERS SQUIBB COMPANY

  公开号：US11180488B2

  公开（公告）日：2021-11-23

  The present invention provides compounds of Formula (Ia) or (Ib) or a stereoisomer, tautomer, or pharmaceutically acceptable salt or solvate thereof, wherein X1, X2, X3, and X4 are each independently CR6 or N; provided that no more than two of X1, X2, X3, or X4 are N; L is C1-4 alkylene substituted with 0 to 4 R7; R1 is (—CH2)aR9; a is an integer of 0 or 1; R2 is each independently halo, cyano, hydroxyl, amino, C1-6 alkyl, C3-6 cycloalkyl, C4-6 heterocyclyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxy, alkoxyalkyl, haloalkoxyallcyl, or haloalkoxy; n is an integer of 0, 1, or 2; R3 is hydrogen, C1-6 alkyl, C1-6 deuterated alkyl, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, or haloalkoxy, and the alkyl, by itself or as part of other moiety, is optionally substituted with deuterium partially or fully; R4 is C1-10 alkyl, C1-10 deuterated alkyl, C1-10 haloalkyl, C1-10 alkenyl, C3-8 cycloalkyl, 6 to 10-membered aryl, 3 to 8-membered heterocyclyl, —(C1-6 alkylene)-(C3-8 cycloalkyl), —(C1-6 alkylene)-(6 to 10-membered aryl), —(C1-6 alkylene)-(3 to 8-membered heterocyclyl), or —(C1-6 alkylene)-(5 to 6-membered heteroaryl); wherein each of the alkyl, alkylene, alkenyl, cycloalkyl, aryl, heterocyclyl, and heteroaryl, by itself or as part of other moiety, is independently substituted with 0 to 3 R8; or alternatively, R3 and R4, taken together with the N atom to which they are attached, form a 4 to 9-membered heterocyclic ring moiety which is substituted with 0 to 3 R; R5 and R6 are each independently hydrogen, halo, cyano, hydroxyl, amino, C1-6 alkyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, or haloalkoxy; R7 is halo, oxo, cyano, hydroxyl, amino, C1-6 alkyl, C3-6 cycloalkyl, C4-6 heterocyclyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, or haloalkoxy; R8 are each independently deuterium, halo, hydroxyl, amino, cyano, C1-6 alkyl, C1-6 deuterated alkyl, C2-6 alkenyl, C2-6 alkynyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, haloalkoxy, phenyl, or 5 to 6-membered heteroaryl; or alternatively, two R8, taken together with the atoms to which they are attached, form a 3 to 6-membered carbocyclic ring or a 3 to 6-membered heterocyclic ring each of which is independently substituted with 0 to 3 R12; R9 is selected from —CN, —C(O)OR10, —C(O)NR11aR11b, —CO—NH—CO—Re, —CO—NH—SO2—Re, —CO—NH—SO—Re, —SO2—OH, —SO2—NH—CO—Re, —P(O)(OH)2, tetrazol-5-yl, —CH2—CO—NH—CO—Re, —CH2—CO—NH—SO2—Re, CH2—CO—NH—SO—Re, —CH2—SO2—OH, —CH2—SO2—NH—CO—Re, —CH2—P(O)(OH)2, tetrazol-5-ylmethylene; Re is C1-6 alkyl, C3-6 cycloalkyl, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, or haloalkoxyalkyl; R10 is hydrogen or C1-10 alkyl; and R11a and R11b are each independently hydrogen, C1-6 alkyl, C3-6 cycloalkyl, C4-6 heterocyclyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, or haloalkoxy; and R12 is halo, cyano, hydroxyl, amino, C1-6alkyl, alkylamino, haloalkyl, hydroxyalkyl, aminoalkyl, alkoxyalkyl, haloalkoxyalkyl, alkoxy, haloalkoxy, phenyl, or 5 to 6-membered heteroaryl. These compounds are selective LPA receptor inhibitors.

  本发明提供了式(Ia)或(Ib)化合物或其立体异构体、同分异构体或药学上可接受的盐或溶液，其中X1、X2、X3和X4各自独立地为CR6或N；条件是X1、X2、X3或X4中不超过两个为N；L为被0至4个R7取代的C1-4亚烷基；R1为(-CH2)aR9；a为0或1的整数；R2 各自独立地为卤代、氰基、羟基、氨基、C1-6 烷基、C3-6 环烷基、C4-6 杂环烷基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基、烷氧基烷基、卤代烷氧基杂环烷基或卤代烷氧基；n 为 0、1 或 2 的整数；R3 是氢、C1-6 烷基、C1-6 氚代烷基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基烷基、烷氧基或卤代烷氧基，且烷基本身或作为其他分子的一部分可任选被氘部分或全部取代；R4 是 C1-10 烷基、C1-10 氚代烷基、C1-10 卤代烷基、C1-10 烯基、C3-8 环烷基、6-10 元芳基、3-8 元杂环基、-(C1-6 亚烷基)-(C3-8 环烷基)、-(C1-6 亚烷基)-(6-10 元芳基)、-(C1-6 亚烷基)-(3-8 元杂环基)或-(C1-6 亚烷基)-(5-6 元杂芳基)；其中，每个烷基、亚烷基、烯基、环烷基、芳基、杂环基和杂芳基本身或作为其他分子的一部分，独立地被 0 至 3 个 R8 取代；R5 和 R6 各自独立地为氢、卤代、氰基、羟基、氨基、C1-6 烷基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基烷基、烷氧基或卤代烷氧基；R7 是卤代、氧代、氰基、羟基、氨基、C1-6 烷基、C3-6 环烷基、C4-6 杂环烷基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基烷基、烷氧基或卤代烷氧基；R8 各自独立地为氘、卤素、羟基、氨基、氰基、C1-6 烷基、C1-6 氚代烷基、C2-6 烯基、C2-6 炔基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基烷基、烷氧基、卤代烷氧基、苯基或 5-6 元杂芳基；或者，两个 R8 与它们所连接的原子一起形成一个 3 至 6 元碳环或一个 3 至 6 元杂环，其中每个环独立地被 0 至 3 个 R12 取代；R9 选自-CN、-C(O)OR10、-C(O)NR11aR11b、-CO-NH-CO-Re、-CO-NH-SO2-Re、-CO-NH-SO-Re、-SO2-OH、-SO2-NH-CO-Re、-P(O)(OH)2、四氮唑-5-基，- -CO-NH-CO-Re，- -CO-NH-SO2-Re， -CO-NH-SO-Re，- -SO2-OH，- -SO2-NH-CO-Re，-CH2-P(O)(OH)2，四氮唑-5-基亚甲基；Re 是 C1-6 烷基、C3-6 环烷基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基或卤代烷氧基烷基；R10 是氢或 C1-10 烷基；R11a 和 R11b 各自独立地是氢、C1-6 烷基、C3-6 环烷基、C4-6 杂环烷基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基烷基、烷氧基或卤代烷氧基；R12 是卤素、氰基、羟基、氨基、C1-6-烷基、烷基氨基、卤代烷基、羟基烷基、氨基烷基、烷氧基烷基、卤代烷氧基烷基、烷氧基、卤代烷氧基、苯基或 5 至 6 元杂芳基。这些化合物是选择性 LPA 受体抑制剂。