CN113402515A - 一种吲哚类化合物及其制备方法和用途 - Google Patents
一种吲哚类化合物及其制备方法和用途 Download PDFInfo
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- CN113402515A CN113402515A CN202110516999.5A CN202110516999A CN113402515A CN 113402515 A CN113402515 A CN 113402515A CN 202110516999 A CN202110516999 A CN 202110516999A CN 113402515 A CN113402515 A CN 113402515A
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- compound
- substituted
- benzyl
- alkyl
- solvent
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- -1 Indole compound Chemical class 0.000 title claims abstract description 28
- SIKJAQJRHWYJAI-UHFFFAOYSA-N benzopyrrole Natural products C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 title claims abstract description 8
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 title claims abstract description 8
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 46
- 102100029895 Bromodomain-containing protein 4 Human genes 0.000 claims abstract description 32
- 108091005625 BRD4 Proteins 0.000 claims abstract description 31
- 206010028980 Neoplasm Diseases 0.000 claims abstract description 6
- 239000003814 drug Substances 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 45
- 125000001424 substituent group Chemical group 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 16
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 15
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Substances CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 150000002367 halogens Chemical group 0.000 claims description 11
- 125000004076 pyridyl group Chemical group 0.000 claims description 11
- 239000003112 inhibitor Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 8
- 201000010099 disease Diseases 0.000 claims description 7
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 7
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 claims description 6
- 125000006274 (C1-C3)alkoxy group Chemical group 0.000 claims description 6
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N dichloromethane Natural products ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical group ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 6
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 6
- 125000004343 1-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])(*)C([H])([H])[H] 0.000 claims description 5
- 125000006288 3,5-difluorobenzyl group Chemical group [H]C1=C(F)C([H])=C(C([H])=C1F)C([H])([H])* 0.000 claims description 5
- 201000011510 cancer Diseases 0.000 claims description 5
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- XMSZANIMCDLNKA-UHFFFAOYSA-N methyl hypofluorite Chemical compound COF XMSZANIMCDLNKA-UHFFFAOYSA-N 0.000 claims description 4
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 4
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 claims description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 4
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims description 3
- ICGLPKIVTVWCFT-UHFFFAOYSA-N 4-methylbenzenesulfonohydrazide Chemical compound CC1=CC=C(S(=O)(=O)NN)C=C1 ICGLPKIVTVWCFT-UHFFFAOYSA-N 0.000 claims description 3
- 125000001318 4-trifluoromethylbenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])*)C(F)(F)F 0.000 claims description 3
- 208000024172 Cardiovascular disease Diseases 0.000 claims description 3
- 206010061218 Inflammation Diseases 0.000 claims description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 3
- 230000004054 inflammatory process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 claims description 3
- 239000012312 sodium hydride Substances 0.000 claims description 3
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 3
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 3
- KZPYGQFFRCFCPP-UHFFFAOYSA-N 1,1'-bis(diphenylphosphino)ferrocene Chemical compound [Fe+2].C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1 KZPYGQFFRCFCPP-UHFFFAOYSA-N 0.000 claims description 2
- CSDQQAQKBAQLLE-UHFFFAOYSA-N 4-(4-chlorophenyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine Chemical compound C1=CC(Cl)=CC=C1C1C(C=CS2)=C2CCN1 CSDQQAQKBAQLLE-UHFFFAOYSA-N 0.000 claims description 2
- 229940126062 Compound A Drugs 0.000 claims description 2
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims description 2
- 206010027476 Metastases Diseases 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000003176 fibrotic effect Effects 0.000 claims description 2
- 208000026278 immune system disease Diseases 0.000 claims description 2
- 208000030159 metabolic disease Diseases 0.000 claims description 2
- 230000009401 metastasis Effects 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 claims description 2
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 claims description 2
- 125000006239 protecting group Chemical group 0.000 claims description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 2
- 208000016097 disease of metabolism Diseases 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 abstract description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 78
- 239000000047 product Substances 0.000 description 38
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 33
- 238000005160 1H NMR spectroscopy Methods 0.000 description 25
- 239000007858 starting material Substances 0.000 description 21
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 239000003960 organic solvent Substances 0.000 description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 6
- 229910002027 silica gel Inorganic materials 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 102000004169 proteins and genes Human genes 0.000 description 5
- 108090000623 proteins and genes Proteins 0.000 description 5
- 102000001805 Bromodomains Human genes 0.000 description 4
- 108050009021 Bromodomains Proteins 0.000 description 4
- IWZGPDASTDZGOI-UHFFFAOYSA-N CCCC(C)N1C2=CC(Br)=CC=C2C=C1 Chemical compound CCCC(C)N1C2=CC(Br)=CC=C2C=C1 IWZGPDASTDZGOI-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 108010077544 Chromatin Proteins 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 230000027455 binding Effects 0.000 description 3
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- 210000003483 chromatin Anatomy 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
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- 238000006467 substitution reaction Methods 0.000 description 3
- YBJHBAHKTGYVGT-ZKWXMUAHSA-N (+)-Biotin Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)O)SC[C@@H]21 YBJHBAHKTGYVGT-ZKWXMUAHSA-N 0.000 description 2
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 description 2
- YOLNCPSNENGUCN-UHFFFAOYSA-N CC1=NOC(C)=C1C1=CC=C(C=CN2CC3=CC=CC=C3)C2=C1 Chemical compound CC1=NOC(C)=C1C1=CC=C(C=CN2CC3=CC=CC=C3)C2=C1 YOLNCPSNENGUCN-UHFFFAOYSA-N 0.000 description 2
- XAZPVXGMNWBSEH-UHFFFAOYSA-N CCCC(C)N1C2=CC(Br)=CC=C2C(C)=C1 Chemical compound CCCC(C)N1C2=CC(Br)=CC=C2C(C)=C1 XAZPVXGMNWBSEH-UHFFFAOYSA-N 0.000 description 2
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- SNRCKKQHDUIRIY-UHFFFAOYSA-L cyclopenta-1,4-dien-1-yl(diphenyl)phosphane;dichloromethane;dichloropalladium;iron(2+) Chemical compound [Fe+2].ClCCl.Cl[Pd]Cl.C1=C[CH-]C(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1.C1=C[CH-]C(P(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 SNRCKKQHDUIRIY-UHFFFAOYSA-L 0.000 description 2
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Abstract
本发明提供了一种吲哚类化合物,具有式I所示结构。本发明还提供了式I化合物的制备方法和用途。式I化合物对BRD4蛋白具有优异的抑制活性,在制备治疗肿瘤的药物中具有潜在的应用价值。
Description
技术领域
本发明属于化学合成领域,具体涉及一种吲哚类化合物及其制备方法和用途。
背景技术
BRD4蛋白是溴结构域和超末端家族蛋白(BET)家族中最重要的功能蛋白,含两个溴结构域及一个超末端结构域。BRD4不仅在转录调控中发挥作用,还可以控制DNA损伤检查点激活、修复并维持端粒,发挥转录之外的作用。BRD4作为组蛋白阅读者,在高乙酰化和转录倾向的染色质区域(包括启动子和ENH)积累,并且作为大蛋白复合物组装的成核中心,促进RNA PolII活性,刺激转录起始和延伸,此功能在很大程度上依赖于BRD4的BD和它们识别乙酰基蛋白的能力。
BRD4与超乙酰化染色质区域结合,募集Mediator复合物,促进大转录调节蛋白的组装,形成SE和启动子之间的桥梁,有利于稳定RNA PolII的结合。
BRD4还可激活P-TEFb,刺激RNA PolII转变为活性延伸。
BETi与乙酰化残基竞争结合BRD4溴结构域,从染色质中释放BRD4并分解SE与启动子之间的相互作用,降低RNA-PolII通量并阻断关键癌基因的转录。BRD4在DNA双链断裂(DSBs)修复中也发挥着重要作用。H4乙酰化(H4Ac)和H2AX磷酸化(γH2AX)在DSB处累积,引发BRD4募集。BRD4促进并稳定P53结合蛋白(53BP1)的相互作用,53BP1又作为DNA修复组装和激活的适配器。
作为最广泛表征的BET蛋白,BRD4涉及许多人类疾病,包括癌症炎症,心血管疾病,中枢神经系统(CNS)疾病和人类免疫缺陷病毒(HIV)感染。BRD4成为了多种疾病的有希望的治疗靶标。
BRD4抑制剂作为药物在医药行业具有良好的应用前景,但目前还没有上市的药物,为了达到更好的治疗效果的目的和满足市场需求,继续研发一种高效的BRD4抑制剂。
发明内容
本发明的目的在于提供一种高效的BRD4抑制剂。
本发明提供了一种吲哚类化合物,具有式I所示结构:
其中,X为取代或非取代的C1-C8的烷基、取代或非取代的C3-C8环烷基或取代或非取代的苄基;所述取代的取代基为:卤素取代或未取代的C1-C3的烷基、C1-C3的烷氧基、卤素、苯基或吡啶基,所述取代基的个数为1、2或3个。
Y为CH3或H;
其中,X为取代或非取代的C1-C8的烷基、取代或非取代的C3-C8环烷基或取代或非取代的苄基;所述取代基为卤素取代或未取代的C1-C3的烷基、C1-C3的烷氧基、卤素、苯基或吡啶基,所述取代基的个数为1、2或3;
Y为CH3或H。
更进一步地,X为取代或非取代的C3-C6的烷基、取代或非取代的C3-C6的环烷基或取代或非取代的苄基;所述取代基为甲基、三氟甲基、甲氧基、氟、吡啶基,所述取代基的个数为1或2个;
Y为CH3或H。
Y为CH3或H。
其中,X为取代或非取代的C1-C8的烷基、取代或非取代的C3-C8的环烷基或取代或非取代的苄基;所述取代基为C1-C3的烷基、C1-C3的烷氧基、卤素、苯基或吡啶基,所述取代基的个数为1、2或3;
Y为CH3或H。
更进一步地,X为取代或非取代的C3-C6的烷基、C3-C6的环烷基或苄基;所述取代基为甲基、甲氧基、氟、吡啶基,所述取代基的个数为1或2个;
Y为CH3或H。
Y为CH3或H。
更进一步地,上述化合物具有如下结构:
本发明还提供了上述化合物的合成方法,包括如下步骤:
1)化合物A在溶剂中,碱作用下与溴代物进行反应得到B;
所述的碱为氢化钠或氢化钙;所述反应的温度为0~30℃;所述A、溴代物、碱的摩尔比为1:(1~5):(1~5);所述溶剂为DMF;
2)化合物B在溶剂中,氧化剂的作用下反应得到化合物C;
所述氧化剂为三氯氧磷;所述反应的温度为0~30℃;所述氧化剂、化合物B的摩尔比为(4~6):(3~5);所述溶剂为DMF;
3)化合物C在溶剂中,对甲苯磺酸、对甲苯磺酰肼、环丁砜和和氰基硼氢化钠作用下,反应得到化合物D;
所述反应的温度为0~100℃;所述溶剂为DMF;
4)在钯催化剂作用下,硼酸酯化合物与化合物B或化合物D在溶剂中偶联反应;
所述的钯催化剂为[1,1'-双(二苯基膦)二茂铁]二氯化钯二氯甲烷络合物、醋酸钯或四(三苯基磷)钯中任意一种;所述硼酸酯化合物为 所述反应的溶剂为二氧六环和水的混合溶液,体积比为(1~5):1;所述反应的温度为90~110℃;所述硼酸酯化合物、化合物B或D,以及钯的摩尔比为(1~2):1:0.05;所得化合物在2M氢氧化钠溶液中脱保护基,得到式Ⅰ所示的化合物;
反应式如下:
本发明还提供了上述化合物在BRD4抑制剂中的用途,优选地,所述BRD4抑制剂为防治癌症、癌症转移、炎症、心血管疾病、免疫性疾病、代谢性疾病或纤维化疾病的药物。
实验结果表明,本发明的吲哚类化合对BRD4有优异的抑制作用,IC50最低可达107μM,作为BRD4抑制剂,在对多种疾病的治疗中具有潜在应用价值。
本发明中,“取代”是指分子中的1个、2个或多个氢原子被其它不同的原子、分子、基团所替换,包括该分子中同位原子或异位原子上的1个、2个或多个取代。
本发明中,碳氢基团中碳原子含量的最小值和最大值通过前缀表示,例如,所述C1~C8的烷基或C1~8烷基是指C1、C2、C3、C4、C5、C6、C7、C8的烷基,即具有1~8个碳原子的直链或支链的烷基,例如甲基、乙基、丙基、异丙基、丁基、异丁基、叔丁基、仲丁基、戊基、己基、庚基、辛基等。类似的,C1~C3的烷氧基是指C1、C2、C3的烷氧基;C3~C8环烷基是指碳原子数为3、4、5、6、7、8的环烷基。
显然,根据本发明的上述内容,按照本领域的普通技术知识和惯用手段,在不脱离本发明上述基本技术思想前提下,还可以做出其它多种形式的修改、替换或变更。
以下通过实施例形式的具体实施方式,对本发明的上述内容再作进一步的详细说明。但不应将此理解为本发明上述主题的范围仅限于以下的实例。凡基于本发明上述内容所实现的技术均属于本发明的范围。
具体实施方式
本发明所用原料与设备均为已知产品,通过购买市售产品所得。
实施例1、中间体6-甲基-4-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)-1-对甲苯磺酰基-1,6-二氢-7H-吡咯并[2,3-C]吡啶-7-酮的制备
将4-溴-6-甲基-1-对甲苯磺基-1H-吡咯并[2,3-C]吡啶-7(6H)-酮(381mg,1mmol)、联硼酸频哪醇脂(300mg,1.2mmol)、醋酸钾(200mg,2mmol)和[1,1'-双(二苯基膦)二茂铁]二氯化钯二氯甲烷络合物(40mg,0.05mmol),加入到圆底烧瓶中,随后加入二氧六环(5mL),氮气置换三次,100℃加热4小时。TLC监测反应完成,减压下旋去有机溶剂后加水稀释并用乙酸乙酯萃取。乙酸乙酯相分别用水、饱和食盐水洗涤,无水硫酸钠干燥。将有机溶剂在减压下除去,固体混合物用硅胶拌干后,在200-300硅胶柱上提纯得到产物,收率51%。
实施例2、6-甲基-4-(1-(戊烷-2-基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮的制备
步骤1中间体6-溴-1-(戊烷-2-基)-1H-吲哚的制备
将氢化钠(5.66g,141.7mmol)置于6-溴吲哚(2.31g,118.1mmol)的DMF(100ml)中,冰浴搅拌20分钟,维持冰浴下,加入2-溴戊烷(2.14g,141.7mmol),撤去冰浴,自然升温至室温过夜,TLC检测反应完成。反应液加水稀释,用乙酸乙酯萃取,合并有机相,再分别用水,饱和食盐水洗涤,有机相再用无水硫酸钠干燥后,真空浓缩,得到产物,产率98%。
步骤2 6-甲基-4-(1-(戊烷-2-基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮的制备
将6-甲基-4-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)-1-对甲苯磺酰基-1,6-二氢-7H-吡咯并[2,3-C]吡啶-7-酮(513.6mg,1.2mmol)、6-溴-1-(戊烷-2-基)-1H-吲哚(266mg,1mmol)、碳酸钠(381mg,3.6mmol)和[1,1'-双(二苯基膦)二茂铁]二氯化钯二氯甲烷络合物(40mg,0.05mmol),加入到圆底烧瓶中,随后加入二氧六环(5mL)和水(2mL),氮气置换三次并在氮气中,110℃加热4小时。TLC监测反应完成,减压下旋去有机溶剂后加水稀释并用乙酸乙酯萃取。乙酸乙酯相分别用水、饱和食盐水洗涤,无水硫酸钠干燥。将有机溶剂在减压下除去,固体混合物用硅胶拌干后,在200-300硅胶柱上提纯得到中间产物。将中间产物置于二氧六环(5mL)和氢氧化钠的水溶液(2M,5mL)中,90℃加热2小时,TLC监测反应完成,减压下旋去有机溶剂后加水稀释并用乙酸乙酯萃取。乙酸乙酯相分别用水、饱和食盐水洗涤,无水硫酸钠干燥,真空浓缩,得到产物,产率41%。
1H NMR(400MHz,DMSO)δ12.10(s,1H),7.65(s,1H),7.60(d,J=8.2Hz,1H),7.49(d,J=3.2Hz,1H),7.40–7.32(m,2H),7.25(d,J=8.0Hz,1H),6.55–6.16(m,2H),4.65(d,J=8.0Hz,1H),3.60-3.65(m,3H),1.83(ddd,J=14.1,8.6,4.8Hz,2H),1.47(d,J=6.8Hz,3H),1.29–0.99(m,2H),0.83(t,J=7.2Hz,3H).
实施例3、6-甲基-4-(1-(丁烷-2-基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以2-溴丁烷为原料,经过与实例2类似的反应,得到目标化合物,产率78%。
1H NMR(400MHz,DMSO)δ12.10(s,1H),7.65(s,1H),7.60(d,J=8.2Hz,1H),7.49(d,J=3.1Hz,1H),7.35(s,2H),7.25(d,J=8.2Hz,1H),6.71–6.18(m,2H),4.57(d,J=6.9Hz,1H),3.59(d,J=8.5Hz,3H),1.87(dd,J=13.6,6.6Hz,2H),1.47(d,J=6.7Hz,3H),1.33–1.11(m,2H),0.75(t,J=7.2Hz,3H).
实施例4、6-甲基-4-(1-环戊基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以溴代环戊烷为原料,经过与实例2类似的反应,得到目标化合物,产率58%。
1H NMR(400MHz,DMSO)δ12.10(s,1H),8.33(s,1H),7.69–7.33(m,3H),7.03(d,J=25.0Hz,2H),6.86(s,1H),6.47(s,1H),4.67(s,1H),3.67(s,3H),1.94(s,2H),1.84–1.53(m,6H).
实施例5、6-甲基-4-(1-(3,5-二氟苄基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以3,5-二氟苄溴为原料,经过与实例2类似的反应,得到目标化合物,产率53%。
1H NMR(400MHz,DMSO)δ12.10(s,1H),7.93–7.48(m,3H),7.31(s,3H),7.20–6.73(m,3H),6.56(s,1H),6.27(s,1H),5.53(s,2H),3.55-3.60(m,3H).
实施例6、6-甲基-4-(1-(3,5-二甲氧基苄基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以3,5-二甲氧基苄溴为原料,经过与实例2类似的反应,得到目标化合物,产率71%。
1H NMR(400MHz,DMSO)δ12.08(s,1H),7.83–7.56(m,2H),7.54(d,J=3.1Hz,1H),7.29(dd,J=6.5,3.8Hz,2H),7.24(d,J=8.2Hz,1H),6.51(d,J=3.0Hz,1H),6.39(dd,J=8.1,2.0Hz,3H),6.29(d,J=2.2Hz,1H),5.39(s,2H),3.67(s,5H),3.58(s,3H).
实施例7、6-甲基-4-(1-苄基-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以苄溴为原料,经过与实例2类似的反应,得到目标化合物,产率78%。
1H NMR(400MHz,DMSO)δ12.06(s,1H),7.62(d,J=8.2Hz,1H),7.58(s,1H),7.54(d,J=3.1Hz,1H),7.32-7.40(m,4H),7.24-7.30(m,4H),6.52(d,J=3.0Hz,1H),6.31–6.07(m,1H),5.48(s,2H),3.58(s,3H).
实施例8、6-甲基-4-(1-(吡啶-2-甲基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以2-溴甲基吡啶为原料,经过与实例2类似的反应,得到目标化合物,产率42%。
1H NMR(400MHz,DMSO)δ12.09(s,1H),8.55(d,J=4.3Hz,1H),7.72(d,J=1.5Hz,1H),7.67–7.58(m,2H),7.56(d,J=3.1Hz,1H),7.45–7.16(m,4H),7.03(d,J=7.8Hz,1H),6.64–6.11(m,2H),5.56(s,2H),3.59(s,3H).
实施例9、6-甲基-4-(1-(1-苯基甲基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以(1-溴乙基)苯为原料,经过与实例2类似的反应,得到目标化合物,产率78%。
1H NMR(400MHz,DMSO)δ12.03(s,1H),8.39(s,1H),7.95(s,1H),7.86(s,1H),7.51(s,1H),7.28(d,J=15.0Hz,4H),7.22(s,1H),7.11(s,1H),6.88(s,1H),6.79(s,1H),6.42(s,1H),5.81(s,1H),3.67(s,3H),1.74(s,3H).
实施例10、6-甲基-4-(1-(4-(三氟甲基)苄基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以4-三氟甲基苄溴为原料,经过与实例2类似的反应,得到目标化合物,产率78%。
1H NMR(400MHz,DMSO)δ12.06(s,1H),7.62(d,J=8.2Hz,1H),7.58(s,1H),7.32-7.40(m,4H),7.24-7.30(m,4H),6.52(d,J=3.0Hz,1H),6.31–6.07(m,1H),5.48(s,2H),3.58(s,3H).
实施例11、6-甲基-4-(3-甲基-1-(戊烷-2-基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮的制备
步骤一6-溴-1-(戊烷-2-基)-1H-吲哚-3-醛
在冰浴下,在反应瓶中将三氯氧磷(0.83g,5.43mmol)加入到无水DMF(50mL)中,搅拌30分钟,将实施例2步骤一的产物6-溴-1-(戊烷-2-基)-1H-吲哚(1.16g,4.53mmol)溶于DMF(50mL)中,缓慢加入到反应瓶中,然后继续室温搅拌2.5小时。反应完成后,用冷水稀释,2N氢氧化钠溶液调整PH~8,用乙酸乙酯萃取,联合有机层用冷水和盐水洗涤,无水硫酸钠干燥,真空浓缩得到产物,产率99%。
步骤二6-溴-3-甲基-1-(戊烷-2-基)-1H-吲哚
将6-溴-1-(戊烷-2-基)-1H-吲哚-3-醛(1.31g,4.46mmol)溶于DMF中,常温下,加入对甲苯磺酸一水合物、对甲苯磺酰肼,随后加入环丁砜,随后升温至100℃维持1小时。反应液冷却至室温,分批加入氰基硼氢化钠,升温至100℃维持2小时,然后降至室温,继续搅拌16小时。反应液加水稀释,用乙酸乙酯萃取,合并有机相用冷水、盐水洗涤,无水硫酸钠干燥,真空浓缩,柱层析得到产物,产率34%。
步骤三6-甲基-4-(3-甲基-1-(戊烷-2-基)-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以6-溴-3-甲基-1-(戊烷-2-基)-1H-吲哚为原料,经过与实施例2步骤二类似的反应,得到产物,产率42%。
1H NMR(400MHz,DMSO)δ9.04(s,1H),8.35(s,1H),7.51(s,1H),7.33(s,1H),7.22(d,J=15.0Hz,2H),6.86(d,J=1.8Hz,1H),4.46(s,1H),3.67(s,3H),2.34(s,3H),1.55(d,J=7.0Hz,3H),1.39(d,J=19.1Hz,3H),1.29–0.99(m,2H),0.89(s,2H).
实施例12、6-甲基-4-(1-(2-叔丁基)-3-甲基-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以实施例3步骤一的产物为原料,经过与实施例11类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ9.04(s,1H),8.35(s,1H),7.51(s,1H),7.33(s,1H),7.22(d,J=15.0Hz,2H),6.86(d,J=1.8Hz,1H),4.46(s,1H),3.67(s,3H),2.34(s,3H),1.55(d,J=7.0Hz,3H),1.39(d,J=19.1Hz,3H),0.89(s,2H).
实施例13、6-甲基-4-(1-(3,5-二氟苄基)-3-甲基-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以实施例5步骤一的产物为原料,经过与实施例11类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ12.11(s,1H),7.83–7.53(m,2H),7.38–7.21(m,4H),7.14(t,J=9.3Hz,1H),6.90(d,J=6.5Hz,2H),6.29(s,1H),5.47(d,J=18.2Hz,2H),3.60(s,3H),2.31(s,3H).
实施例14、6-甲基-4-(1-(苄基)-3-甲基-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以实施例7步骤一的产物为原料,经过与实施例11类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ12.06(s,1H),7.86–7.41(m,1H),7.46–7.05(m,2H),6.60–5.95(m,1H),5.39(s,1H),3.58(s,1H),2.29(s,1H).
实施例15、6-甲基-4-(1-(吡啶-2-甲基)-3-甲基-1H-吲哚-6-基)-1,6-二氢-7H-吡咯[2,3-c]吡啶-7-酮
以实施例8步骤一的产物为原料,经过与实施例11类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ12.09(s,1H),8.55(d,J=4.3Hz,1H),7.67–7.58(m,2H),7.56(d,J=3.1Hz,1H),7.45–7.16(m,4H),7.03(d,J=7.8Hz,1H),6.64–6.11(m,2H),5.56(s,2H),5.41(s,1H),3.59(s,3H).
实施例16、3,5-二甲基-4-(1-(戊基-2-基)-1H-吲哚-6-基)异恶唑
将实施例2步骤一的产物6-溴-1-(戊烷-2-基)-1H-吲哚(266mg,1mmol)以及3,5-二甲基异恶唑-4-硼酸频哪醇酯(245mg,1mmol)、碳酸钠(381mg,3.6mmol)和[1,1'-双(二苯基膦)二茂铁]二氯化钯二氯甲烷络合物(40mg,0.05mmol)加入到圆底烧瓶中,随后加入二氧六环(5mL)和水(2mL),氮气置换三次并在氮气中,110℃加热4小时。TLC监测反应完成,减压下旋去有机溶剂后加水稀释并用乙酸乙酯萃取。乙酸乙酯相分别用水、饱和食盐水洗涤,无水硫酸钠干燥。将有机溶剂在减压下除去,固体混合物用硅胶拌干后,在200-300硅胶柱上提纯得到中间产物,产率56%。
1H NMR(400MHz,DMSO)δ7.60(d,J=8.1Hz,1H),7.55–7.40(m,2H),6.98(dd,J=8.1,1.1Hz,1H),6.50(d,J=3.1Hz,1H),4.68(dd,J=14.7,6.4Hz,1H),2.42(s,3H),2.26(s,3H),1.86(ddd,J=14.3,9.4,5.1Hz,1H),1.81–1.66(m,1H),1.45(d,J=6.7Hz,3H),1.09-1.07(m,2H),0.82(t,J=7.3Hz,3H).
实施例17、3,5-二甲基-4-(1-(丁基-2-基)-1H-吲哚-6-基)异恶唑
以实施例3步骤一的产物为原料,经过与实施例16类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ7.60(d,J=8.1Hz,1H),7.55–7.40(m,2H),6.98(dd,J=8.1,1.1Hz,1H),6.50(d,J=3.1Hz,1H),4.68(dd,J=14.7,6.4Hz,1H),2.42(s,3H),2.26(s,3H),1.86(ddd,J=14.3,9.4,5.1Hz,1H),1.81–1.66(m,1H),1.45(d,J=6.7Hz,3H),0.82(t,J=7.3Hz,3H).
实施例18、3,5-二甲基-4-(环戊基-1H-吲哚-6-基)异恶唑
以实施例4步骤一的产物为原料,经过与实施例16类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ7.61(d,J=8.1Hz,1H),7.56–7.44(m,2H),6.99(d,J=8.1Hz,1H),6.48(d,J=3.1Hz,1H),5.05–4.86(m,1H),2.42(s,3H),2.25(s,3H),2.16(dd,J=15.5,7.9Hz,2H),1.87(d,J=14.1Hz,4H),1.71(d,J=4.6Hz,2H).
实施例19、3,5-二甲基-4-(1-(3,5-二氟苄基)-1H-吲哚-6-基)异恶唑
以实施例5步骤一的产物为原料,经过与实施例16类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ7.64(t,J=5.1Hz,2H),7.49(s,1H),7.13(dd,J=6.9,4.7Hz,1H),7.01(t,J=7.4Hz,3H),6.55(d,J=3.1Hz,1H),5.48(s,2H),2.36(s,3H),2.19(s,3H).
实施例20、3,5-二甲基-4-(1-(3,5-二甲氧基苄基)-1H-吲哚-6-基)异恶唑
以实施例6步骤一的产物为原料,经过与实施例16类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ7.60(dd,J=17.8,5.6Hz,1H),7.45(s,1H),7.00(dd,J=8.1,1.3Hz,1H),6.68–6.19(m,2H),5.36(s,1H),3.67(s,2H),2.35(s,1H),2.18(s,1H).
实施例21、3,5-二甲基-4-(1-苄基-1H-吲哚-6-基)异恶唑
以实施例7步骤一的产物为原料,经过与实施例16类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ7.60(dd,J=15.1,5.6Hz,1H),7.42(s,1H),7.37–7.11(m,2H),6.99(d,J=8.1Hz,1H),6.52(d,J=3.0Hz,1H),5.76(s,1H),5.45(s,1H),2.34(s,1H),2.17(s,1H).
实施例22、3,5-二甲基-4-(1-(吡啶-2-甲基)-1H-吲哚-6-基)异恶唑
以实施例8步骤一的产物为原料,经过与实施例16类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ8.61–8.38(m,1H),7.72(td,J=7.7,1.8Hz,1H),7.63(d,J=8.1Hz,1H),7.57(d,J=3.1Hz,1H),7.42(s,1H),7.27(dd,J=6.8,5.0Hz,1H),7.12(d,J=7.8Hz,1H),7.00(dd,J=8.1,1.3Hz,1H),6.53(d,J=3.1Hz,1H),5.54(s,2H),2.34(s,3H),2.17(s,3H).
实施例23、3,5-二甲基-4-(1-(1-苯基甲基)-1H-吲哚-6-基)异恶唑
以实施例9步骤一的产物为原料,经过与实施例16类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ7.75(d,J=3.2Hz,1H),7.61(d,J=8.1Hz,1H),7.35(s,1H),7.31(dd,J=7.9,3.1Hz,4H),7.26–7.16(m,1H),6.97(dd,J=8.1,1.2Hz,1H),6.55(d,J=3.1Hz,1H),5.87(d,J=7.1Hz,1H),2.30(s,3H),2.13(s,3H),1.89(d,J=7.1Hz,3H).
实施例24、4-(1-(2-丁基)-3-甲基-1H-吲哚-6-基)-3,5-二甲基异恶唑
以实施例12步骤二的产物为原料,经过与实施例16类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ8.14(s,1H),7.46(d,J=21.3Hz,2H),6.57(s,1H),4.43(s,1H),2.43(s,3H),2.34(s,3H),2.25(s,1H),1.55(d,J=8.4Hz,3H),1.37(s,10H),0.89(s,1H).
实施例25、4-(1-(3,5-二氟苄基)-3-甲基-1H-吲哚-6-基)-3,5-二甲基异恶唑
以实施例13步骤二的产物为原料,经过与实施例16类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ7.58(d,J=8.1Hz,1H),7.40(d,J=27.2Hz,2H),7.12(t,J=9.4Hz,1H),7.00(t,J=8.8Hz,3H),5.40(s,2H),2.36(s,3H),2.29(s,3H),2.19(s,3H).
实施例26、4-(1-苄基-3-甲基-1H-吲哚-6-基)-3,5-二甲基异恶唑
以实施例14步骤二的产物为原料,经过与实施例16类似的反应,得到产物,产率25%。
1H NMR(400MHz,DMSO)δ7.56(d,J=8.1Hz,1H),7.38(s,1H),7.34–7.17(m,9H),6.98(dd,J=8.1,1.0Hz,1H),5.37(s,2H),2.34(s,3H),2.28(s,3H),2.17(s,3H).
以下通过实验例证明本发明化合物的有益效果。
实验例1、体外酶抑制测定
1、实验方法
His标记的BRD4被克隆、表达并且纯化为同质。BRD4结合和抑制通过使用AlaphaScreen技术检测生物素化的H4-四乙酰基肽(AnaSpec,H4k5/8/12/16(Ac),生物素标记的)与靶标的相互作用来评价。在384-孔ProxiPlate中,在DMSO中的化合物稀释系列的存在下,将BRD4(2nM最终)在50mM HEPES(PH 7.3)、10mM NaCl、0.25mM TCEP、0.1%(w/v)BSA和0.005%(w/v)Brij-35中与肽(15nM最终)合并。在室温25摄氏度温育20分钟后,将α链霉亲和素供体珠和受体珠添加至5μg/mL的最终浓度。在2个小时的平衡之后,在Envison仪器上读取板并使用拟合计算IC50。
2、实验结果
本发明化合物以及阳性对照JQ1(JQ1是一种市售的BET溴结构域抑制剂,作用于BRD4(1/2),结合到BET家族的所有溴结构域,而不结合到BET家族以外的溴结构域。JQ1可通过诱导自噬来抑制细胞增殖。)对BRD4产生抑制活性的IC50值如表1所示:
表1化合物对BRD4酶的抑制活性IC50(μM)。
实施例 | BRD4(D1,D2) | 实施例 | BRD4(D1,D2) |
1 | 578 | 14 | 208 |
2 | 674 | 15 | 2436 |
3 | 618 | 16 | >3000 |
4 | 347 | 17 | >3000 |
5 | 559 | 18 | >3000 |
6 | 471 | 19 | >3000 |
7 | 107 | 20 | 2654 |
8 | 544 | 21 | 481 |
9 | 764 | 22 | >3000 |
10 | 784 | 23 | >3000 |
11 | 951 | 24 | >3000 |
12 | 419 | 25 | >3000 |
13 | 514 | JQ1 | 90 |
综上,本发明提供了一种吲哚类化合,对BRD4有优异的抑制作用,IC50最低可达107μM,作为BRD4抑制剂,在对多种疾病的治疗中具有潜在应用价值。
Claims (10)
3.根据权利要求2所述的化合物,其特征在于,X为取代或非取代的C3-C6的烷基、C3-C6的环烷基或苄基;所述取代基为甲基、三氟甲基、甲氧基、氟、吡啶基,所述取代基的个数为1或2个;
Y为CH3或H。
6.根据权利要求5所述的化合物,其特征在于,X为取代或非取代的C3-C6的烷基、C3-C6的环烷基或苄基;所述取代基为甲基、甲氧基、氟、吡啶基,所述取代基的个数为1或2个;
Y为CH3或H。
9.权利要求1~8所述化合物的合成方法,其特征在于,包括如下步骤:
1)化合物A在溶剂中,碱作用下与溴代物进行反应得到B;
所述的碱为氢化钠或氢化钙;所述反应的温度为0~30℃;所述A、溴代物、碱的摩尔比为1:(1~5):(1~5);所述溶剂为DMF;
2)化合物B在溶剂中,氧化剂的作用下反应得到化合物C;
所述氧化剂为三氯氧磷;所述反应的温度为0~30℃;所述氧化剂、化合物B的摩尔比为(4~6):(3~5);所述溶剂为DMF;
3)化合物C在溶剂中,对甲苯磺酸、对甲苯磺酰肼、环丁砜和和氰基硼氢化钠作用下,反应得到化合物D;
所述反应的温度为0~100℃;所述溶剂为DMF;
4)在钯催化剂作用下,硼酸酯化合物与化合物B或化合物D在溶剂中偶联反应;
所述的钯催化剂为[1,1'-双(二苯基膦)二茂铁]二氯化钯二氯甲烷络合物、醋酸钯或四(三苯基磷)钯中任意一种;所述硼酸酯化合物为 所述反应的溶剂为二氧六环和水的混合溶液,体积比为(1~5):1;所述反应的温度为90~110℃;所述硼酸酯化合物、化合物B或D,以及钯的摩尔比为(1~2):1:0.05;所得化合物在2M氢氧化钠溶液中脱保护基,得到式Ⅰ所示的化合物;
反应式如下:
10.权利要求1~8所述的化合物在BRD4抑制剂中的用途,优选地,所述BRD4抑制剂为防治癌症、癌症转移、炎症、心血管疾病、免疫性疾病、代谢性疾病或纤维化疾病的药物。
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