Moilibresib (I-BET-762, GSK525762, GSK525762A) 是一种BET蛋白抑制剂,在无细胞试验中的IC50约为35 nM,能抑制巨噬细胞产生促炎性蛋白质,并抑制急性炎症。与其它溴区结合域包含的蛋白相比,它具有高度选择性。
体外研究I-BET-762能够抑制BET(溴区和额外的末端结构域) 蛋白、BRD2、BRD3 和 BRD4,这些蛋白质通过与BET的串联溴区结合。FRET分析显示其Kd值为50.5-61.3 nM,并且在置换BET串联溴区的一种四乙酰化的H4肽后,IC50范围为32.5-42.5 nM。I-BET-762占据BET蛋白的乙酰基-赖氨酸结合口袋,从而抑制了BET与乙酰化组蛋白的结合,破坏了形成炎性基因表达所必需的染色质复合物。在细胞分化第2天使用I-BET-762处理后,会改变CD4+ T细胞的细胞因子产生,上调一些抗炎基因产物的表达,并下调一些促炎细胞因子的表达。
体内研究I-BET-762保护小鼠免于脂多糖诱导的内毒素休克和细菌诱导的脓毒病。 在LPS注射后1.5小时使用单剂量I-BET处理可治愈小鼠;每日两次注射,持续两天,则能保护小鼠免于由脓毒症引起的死亡。在实验性自身免疫性脑脊髓炎(EAE)的小鼠模型中,早期使用I-BET-762能够抑制Tb分化的2D2 T细胞诱发的神经炎症。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 4H-[1,2,4]Triazolo[4,3-a][1,4]benzodiazepine-4-acetamide, 6-(4-chlorophenyl)-N-ethyl-8-methoxy-1-methyl- | 1260530-43-5 | C22H22ClN5O2 | 423.9 |
—— | [(4S)-6-(4-chlorophenyl)-1-methyl-8-(methyloxy)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]acetic acid | 1300019-38-8 | C20H17ClN4O3 | 396.833 |
—— | methyl [(4S)-6-(4-chlorophenyl)-1-methyl-8-(methyloxy)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]acetate | 1300019-40-2 | C21H19ClN4O3 | 410.86 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | (S)-2-(8-(2-aminoethoxy)-6-(4-chlorophenyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1426686-92-1 | C23H25ClN6O2 | 452.944 |
—— | 2-((4S)-8-(3-aminopropoxy)-6-(4-chlorophenyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1426686-93-2 | C24H27ClN6O2 | 466.97 |
—— | 2-((4S)-6-(4-chlorophenyl)-8-hydroxy-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1300746-10-4 | C21H20ClN5O2 | 409.875 |
—— | (S)-2-(8-(4-aminobutoxy)-6-(4-chlorophenyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | —— | C25H29ClN6O2 | 480.997 |
—— | 2-((4S)-8-(2-(2-aminoethoxy)ethoxy)-6-(4-chlorophenyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1426686-94-3 | C25H29ClN6O3 | 496.997 |
—— | 5-(((4S)-6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl)oxy)pentanoic acid | —— | C26H28ClN5O4 | 509.992 |
—— | ethyl 5-(((4S)-6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl)oxy)pentanoate | —— | C28H32ClN5O4 | 538.046 |
—— | tert-butyl (3-(((4S)-6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl)oxy)propyl)carbamate | 1426687-03-7 | C29H35ClN6O4 | 567.088 |
—— | tert-butyl (2-(((4S)-6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl)oxy)ethyl)carbamate | 1426687-02-6 | C28H33ClN6O4 | 553.061 |
—— | (S)-tert-butyl (4-((6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl)oxy)butyl)carbamate | —— | C30H37ClN6O4 | 581.115 |
—— | tert-butyl (2-(2-(((4S)-6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl)oxy)ethoxy)ethyl)carbamate | 1426687-04-8 | C30H37ClN6O5 | 597.114 |
—— | tert-butyl (17-(((4S)-6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl)oxy)-3,6,9,12,15-pentaoxaheptadecyl)carbamate | 1426687-08-2 | C38H53ClN6O9 | 773.327 |
—— | N-(2-(2-(((4S)-6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl)oxy)ethoxy)ethyl)-3,4-dihydroxybenzamide | —— | C32H33ClN6O6 | 633.104 |
—— | (4S)-6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl trifluoromethanesulfonate | 1352937-77-9 | C22H19ClF3N5O4S | 541.938 |
—— | (4-((2-(2-(((4S)-6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl)oxy)ethoxy)ethyl)carbamoyl)phenyl)boronic acid | —— | C32H34BClN6O6 | 644.923 |
—— | 2-{(4S)-6-(4-chlorophenyl)-1-methyl-8-[4-(methyloxy)phenyl]-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl}-N-ethylacetamide | 1352936-97-0 | C28H26ClN5O2 | 500.0 |
—— | ((4S)-6-(4-chlorophenyl)-4-(2-(ethylamino)-2-oxoethyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-8-yl)boronic acid | —— | C21H21BClN5O3 | 437.693 |
—— | (S)-2-(6-(4-chlorophenyl)-8-(3-methoxyphenyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-21-3 | C28H26ClN5O2 | 500.0 |
—— | (S)-2-(6-(4-chlorophenyl)-8-(4-formylphenyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-88-2 | C28H24ClN5O2 | 497.984 |
—— | (S)-2-(6-(4-chlorophenyl)-1-methyl-8-(2H-tetrazol-5-yl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-64-4 | C22H20ClN9O | 461.913 |
—— | (S)-2-(6-(4-chlorophenyl)-8-(4-((dimethylamino)methyl)phenyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-59-7 | C30H31ClN6O | 527.069 |
—— | (S)-2-(6-(4-chlorophenyl)-8-(3-formylphenyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-84-8 | C28H24ClN5O2 | 497.984 |
—— | (S)-2-(6-(4-chlorophenyl)-8-(4-((ethylamino)methyl)phenyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-54-2 | C30H31ClN6O | 527.069 |
—— | (S)-2-(6-(4-chlorophenyl)-1-methyl-8-(pyridin-4-yl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-26-8 | C26H23ClN6O | 470.961 |
—— | 2-[(4S)-6-(4-chlorophenyl)-1-methyl-8-(2-methylphenyl)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-N-ethylacetamide | 1352937-10-0 | C28H26ClN5O | 484.0 |
—— | 2-[(4S)-6-(4-chlorophenyl)-1-methyl-8-(1H-pyrazol-4-yl)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-N-ethylacetamide | 1352937-04-2 | C24H22ClN7O | 459.938 |
—— | (S)-2-(6-(4-chlorophenyl)-8-(3-((ethylamino)methyl)phenyl)-1-methyl-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-36-0 | C30H31ClN6O | 527.069 |
—— | (S)-2-(6-(4-chlorophenyl)-1-methyl-8-(4-(pyrrolidin-1-ylmethyl)phenyl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-45-1 | C32H33ClN6O | 553.107 |
—— | 2-[(4S)-6-(4-chlorophenyl)-1-methyl-8-(3-pyridinyl)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-N-ethylacetamide | 1352937-16-6 | C26H23ClN6O | 470.961 |
—— | (S)-2-(6-(4-chlorophenyl)-1-methyl-8-(4-((4-methylpiperazin-1-yl)methyl)phenyl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-49-5 | C33H36ClN7O | 582.148 |
—— | (S)-2-(6-(4-chlorophenyl)-1-methyl-8-(3-(pyrrolidin-1-ylmethyl)phenyl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-41-7 | C32H33ClN6O | 553.107 |
—— | 2-[(4S)-6-(4-chlorophenyl)-1-methyl-8-(1H-pyrazol-5-yl)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-N-ethylacetamide | 1352937-00-8 | C24H22ClN7O | 459.938 |
—— | (S)-2-(6-(4-chlorophenyl)-1-methyl-8-(3-((4-methylpiperazin-1-yl)methyl)phenyl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-4-yl)-N-ethylacetamide | 1352937-30-4 | C33H36ClN7O | 582.148 |