中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | (6R,8aS)-6-(1-bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)hexahydroindolizin-3(2H)-one | 1620675-71-9 | C14H14BrClN4O | 369.648 |
—— | (6R,8aS)-6-(8-chloroimidazo[1,5-a]pyrazin-3-yl)hexahydroindolizin-3(2H)-one | 1620675-70-8 | C14H15ClN4O | 290.752 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | (6R,8aS)-6-(8-amino-1-bromo-5-fluoroimidazo[1,5-a]pyrazin-3-yl)hexahydroindolizin-3(2H)-one | 1620677-16-8 | C14H15BrFN5O | 368.208 |
—— | (6R,8aS)-6-(8-amino-1-bromo-5-chloroimidazo[1,5-a]pyrazin-3-yl)hexahydroindolizin-3(2H)-one | 1620676-29-0 | C14H15BrClN5O | 384.663 |
—— | (6R,8aS)-6-(8-amino-1-bromoimidazo[1,5-a]pyrazin-3-yl)hexahydroindolizine-3(2H)-thione | 1620678-39-8 | C14H16BrN5S | 366.285 |
—— | methyl 4-(8-amino-3-((6R,8aS)-3-oxooctahydroindolizin-6-yl)imidazo[1,5-a]pyrazin-1-yl)benzoate | 1620678-54-7 | C22H23N5O3 | 405.456 |
—— | 4-(8-amino-3-((6R,8aS)-3-oxooctahydroindolizin-6-yl)imidazo[1,5-a]pyrazin-1-yl)-N-(4-(trifluoromethyl)pyridin-2-yl)benzamide | 1620673-11-1 | C27H24F3N7O2 | 535.528 |
—— | 4-(8-amino-3-((6R,8aS)-3-oxooctahydroindolizin-6-yl)imidazo[1,5-a]pyrazin-1-yl)-N-(3-(trifluoromethyl)-1H-pyrazol-5-yl)benzamide | 1620674-89-6 | C25H23F3N8O2 | 524.505 |
—— | 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-3-hydroxy-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide | 1620674-37-4 | C27H24F3N7O3 | 551.528 |
—— | 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-3-fluoro-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide | 1620673-30-4 | C27H23F4N7O2 | 553.519 |
—— | 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-3-methoxy-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide | 1620674-08-9 | C28H26F3N7O3 | 565.555 |
—— | methyl (3-((6R,8aS)-3-oxooctahydroindolizin-6-yl)-1-(4-((4-(trifluoromethyl)pyridin-2-yl)carbamoyl)phenyl)imidazo[1,5-a]pyrazin-8-yl)carbamate | 1620673-99-5 | C29H26F3N7O4 | 593.565 |
—— | 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-3-ethoxy-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide | 1620673-89-3 | C29H28F3N7O3 | 579.582 |
—— | 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-3-cyano-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide | 1620674-42-1 | C28H23F3N8O2 | 560.538 |
—— | 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-3-(difluoromethoxy)-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide | 1620673-91-7 | C28H24F5N7O3 | 601.536 |
—— | 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-3-(1-methylethoxy)-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide | 1620674-58-9 | C30H30F3N7O3 | 593.609 |
—— | 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-3-(cyclopropyloxy)-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide | 1620674-40-9 | C30H28F3N7O3 | 591.593 |
—— | 4-{8-amino-5-chloro-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-N-[1-methyl-5-(trifluoromethyl)-1H-pyrazol-3-yl]benzamide | 1620675-02-6 | C26H24ClF3N8O2 | 572.977 |
—— | 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-N-1-[4-(trifluoromethyl)pyridin-2-yl]benzene-1,3-dicarboxamide | 1620674-43-2 | C28H25F3N8O3 | 578.554 |
—— | 2-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-5-{[4-(trifluoromethyl)pyridin-2-yl]carbamoyl}benzoic acid | 1620674-46-5 | C28H24F3N7O4 | 579.538 |
—— | 4-{8-amino-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-3-(1,1-difluoroethyl)-N-[4-(trifluoromethyl)pyridin-2-yl]benzamide | 1620674-33-0 | C29H26F5N7O2 | 599.563 |
—— | 4-{8-amino-5-chloro-3-[(6R,8aS)-3-oxooctahydroindolizin-6-yl]imidazo[1,5-a]pyrazin-1-yl}-5-ethoxy-2-fluoro-N-[1-methyl-5-(trifluoromethyl)-1H-pyrazol-3-yl]benzamide | 1620674-34-1 | C28H27ClF4N8O3 | 635.021 |
—— | (6R,8aS)-6-(8-amino-1-bromo-5-fluoro-6-methoxy-5,6-dihydroimidazo[1,5-a]pyrazin-3-yl)hexahydroindolizin-3(2H)-one | 1620677-17-9 | C15H19BrFN5O2 | 400.251 |
Late-stage functionalization (LSF) enables medicinal chemists to quickly explore structure–activity relationships (SAR) of novel analogues derived from a fully elaborated parent structure. Using several known C–H functionalization chemistries, we have systematically applied the LSF strategy to modify different regions of a Bruton’s tyrosine kinase (BTK) reversible inhibitor lead series. This approach allowed for broad SAR exploration across several key subunits of the molecule at positions that were previously difficult to explore with traditional synthesis, providing analogues with high potency and improved pharmacokinetic properties. This case study illustrates both the promise and the challenges associated with applying LSF to complex lead molecules.
后期功能化(LSF)使药物化学家能够快速探索从完全详细的母体结构派生的新类似物的结构活性关系(SAR)。利用几种已知的C-H功能化化学方法,我们系统地应用LSF策略修改了布鲁顿酪氨酸激酶(BTK)可逆抑制剂引物系列的不同区域。这种方法允许在分子的几个关键亚单位的广泛SAR探索,这些位置以前很难用传统合成方法探索,提供了具有高效力和改善药代动力学特性的类似物。这个案例研究说明了将LSF应用于复杂引物分子所面临的挑战和前景。