CN108358936A - 含哌啶环的哌嗪酮类化合物及其制备方法和应用 - Google Patents

含哌啶环的哌嗪酮类化合物及其制备方法和应用 Download PDF

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CN108358936A
CN108358936A CN201810329153.9A CN201810329153A CN108358936A CN 108358936 A CN108358936 A CN 108358936A CN 201810329153 A CN201810329153 A CN 201810329153A CN 108358936 A CN108358936 A CN 108358936A
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piperazine
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赵桂森
刘美霞
杨德志
张震
王鲁华
刘洋
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Abstract

本发明公开了一种含哌啶环的哌嗪酮类化合物及其制备方法和应用。该类化合物具有如通式(I)所示的结构。本发明还提供该化合物的制备方法及应用。本发明的化合物具有一定的抑制AKT1激酶的活性和对PC‑3肿瘤细胞的生长抑制活性,用于制备抗肿瘤药物。

Description

含哌啶环的哌嗪酮类化合物及其制备方法和应用
技术领域
本发明涉及有机化合物合成及医药应用领域,尤其涉及一种含哌啶环的哌嗪酮类化合物及其制备方法和应用。
背景技术
AKT是一种分子量为57-60kDa的丝氨酸/苏氨酸蛋白激酶,属于AGC蛋白激酶超家族,它与同属AGC蛋白激超家族的蛋白激酶A(PKA)和蛋白激酶C(PKC)的氨基酸序列同源性分别为65%和77%,因此又被称为蛋白激酶B(PKB)。(参见:Coffer,P.J.;Woodgett,J.R.Molecular cloning and characterisation of a novel putative protein-serinekinase related to the cAMP-dependent and protein kinase C families.EuropeanJournal of Biochemistry 1992,205, 1217.)在哺乳动物基因组中,AKT具有三个高度保守的亚型,分别为AKT1(PKBα), AKT2(PKBβ)和AKT3(PKBγ)。(参见:Osaki,M.;Oshimura,M.;Ito,H.PI3K-Akt pathway: its functions and alterations in humancancer.Apoptosis 2004,9,667-676.)虽然AKT1、AKT2 和AKT3分别由不同的基因表达,但是它们彼此间同源性高达80%以上,都具有:(1)一个氨基末端PH(pleckstrin homology,普列克底物蛋白同源)域;(2)一个高度保守的中心激酶催化域;(3)一个羧基末端调节域。(参见:Kumar,C.C.;Madison,V.AKT crystal structure and AKT-specificinhibitors.Oncogene 2005,24,7493-7501.Cully,M.;You,H.;Levine,A.J.; Mak,T.W.Beyond PTEN mutations:the PI3K pathway as an integrator of multipleinputs during tumorigenesis.Nat Rev Cancer 2006,6,184-92.)。
磷脂酰肌醇-3-激酶(phosphatidylinositol-3-kinase,PI3K)/蛋白激酶B(protein kinaseB, PKB/Akt)信号通路在细胞存活与生长中起着相当关键的作用,是肿瘤细胞抵御细胞死亡的重要通路之一。(参见:HANAHAN D,WEINBERG R A.The hallmarks ofcancer[J].cell,2000, 100(1):57-70.WENDEL H-G,DE STANCHINA E,FRIDMAN J S,etal.Survival signalling by Akt and eIF4E in oncogenesis and cancer therapy[J].Nature,2004,428(6980):332-7.)PI3K/Akt 通路的过度激活在多种恶性肿瘤中普遍存在,阻断该通路的持续激活为靶向治疗癌症提供了新方法。(参见:OMAR B,ZMUDA-TRZEBIATOWSKA E,MANGANIELLO V,et al.Regulation of AMP-activated proteinkinase by cAMP in adipocytes:roles for phosphodiesterases,protein kinase B,protein kinase A,Epac and lipolysis[J].Cellular signalling,2009,21(5):760-6.)目前以 Akt为靶点的药物研究已经成为抗肿瘤药物领域的热点之一。
发明内容
本发明的目的在于提供一种具有AKT抑制活性的含哌啶环的哌嗪酮类化合物,该类化合物对AKT1具有一定的抑制活性;本发明的另一目的在于提供该含哌啶环的哌嗪酮类化合物的制备方法及其应用。
为实现上述目的,本发明采用下述技术方案:
一、含哌啶环的哌嗪酮类化合物或其药用盐
一种含哌啶环的哌嗪酮类化合物或其药用盐,其结构如通式I所示:
通式I中,
R1是氢,卤素,多取代卤素,硝基,氨基,取代氨基,氰基,C1~6直链或支链烷氧基,C1~6直链或支链烷基;
Z是其中,R2是氢,卤素,C1~6烷基,氨基,取代氨基。
优选的,R1是氢,氟,溴,氯或2,4-二氯取代;R2是氢,溴,氯。
进一步优选的,所述含哌啶环的哌嗪酮类化合物或其药用盐选自下列化合物之一:
(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氯苯基)哌啶-4-基)甲酮(G-1)、
(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-溴苯基)哌啶-4-基)甲酮(G-2)、
(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氟苯基)哌啶-4-基)甲酮(G-3)、
(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(3,4-二氯苯基)哌啶-4-基)甲酮(G-4)、
(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氯苯基)哌啶-4-基)甲酮(G-5)、
(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-溴苯基)哌啶-4-基)甲酮(G-6)、
(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氟苯基)哌啶-4-基)甲酮(G-7)、
(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(3,4-二氯苯基)哌啶-4-基)甲酮(G-8)、
(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氯苯基)哌啶-4-基)甲酮(G-9)、
(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-溴苯基)哌啶-4-基)甲酮(G-10)、
(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氟苯基)哌啶-4-基)甲酮(G-11)、
(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(3,4-二氯苯基)哌啶-4-基)甲酮 (G-12)、
(4-(9H-嘌呤-6-基)哌嗪-1-基)(4-(4-氟苯基)哌啶-4-基)甲酮(I-1)、
(4-(9H-嘌呤-6-基)哌嗪-1-基)(4-(4-氯苯基)哌啶-4-基)甲酮(I-2)、
(4-(9H-嘌呤-6-基)哌嗪-1-基)(4-(4-溴苯基)哌啶-4-基)甲酮(I-3)、
(4-(9H-嘌呤-6-基)哌嗪-1-基)(4-(3,4-二氯苯基)哌啶-4-基)甲酮(I-4)、
(4-(喹唑啉-4-基)哌嗪-1-基)(4-(4-氟苯基)哌啶-4-基)甲酮(K-1)、
(4-(喹唑啉-4-基)哌嗪-1-基)(4-(4-氯苯基)哌啶-4-基)甲酮(K-2)、
(4-(喹唑啉-4-基)哌嗪-1-基)(4-(4-溴苯基)哌啶-4-基)甲酮(K-3)、
(4-(喹唑啉-4-基)哌嗪-1-基)(4-(3,4-二氯苯基)哌啶-4-基)甲酮(K-4)。
上述优选的20个化合物名称后的括号中为其相应的代号,为叙述方便和表达简洁,上述括号中的代号在本说明书以下内容中将被直接应用。
二、含哌啶环的哌嗪酮类化合物或其药用盐的制备方法
通式I所示的含哌啶环的哌嗪酮类化合物或其药用盐的制备方法,包括以下步骤:
(1)G-1或起始原料I-1或起始原料K-1与Boc保护的哌嗪,在DMF条件下反应分别得中间体G-2或中间体I-2或中间体K-2;
(2)中间体G-2或中间体I-2或中间体K-2在乙酸乙酯和浓盐酸溶液或三氟乙酸和二氯甲烷中脱去Boc,分别得中间体G-3或中间体I-3或中间体K-3;
(3)中间体G-3或中间体I-3或中间体K-3在HBTU,DIEA,DCM存在下,与中间体酸Y反应后,与TFA的DCM溶液反应,脱掉Boc保护基,分别得目标化合物G或目标化合物I或目标化合物K;
合成路线如下:
试剂及条件:a.1-Boc-哌嗪,N,N-二甲基甲酰胺(DMF)或2-甲基吡咯烷酮(NMP),N,N- 二异丙基乙胺(DIEA);b.乙酸乙酯和浓盐酸溶液,室温;c.(i)中间体酸Y,HBTU,N,N- 二异丙基乙胺(DIEA),二氯甲烷(DCM)(ii)三氟乙酸(TFA),二氯甲烷(DCM);
其中,R1、R2如上述通式I中所述。
根据本发明优选的,化合物G-1~G-12的制备方法,具体步骤如下:
(i)将起始原料G-1用DMF溶解,室温下依次加入N,N-二异丙基乙胺(DIEA)、1-Boc哌嗪,120℃搅拌反应过夜,反应完毕,,将反应液倒入冰水中,析出大量淡黄色固体,过滤,用水洗滤饼,干燥得中间体G-2,不经纯化直接进行下一步反应;
(ii)中间体G-2用乙酸乙酯溶解,室温下加入浓盐酸,室温搅拌4h,反应完毕,析出淡黄色固体,过滤,干燥得中间体G-3;
(iii)将中间体酸Y用DMF溶剂溶解,依次加入HBTU,DIEA,室温搅拌15min,加入中间体胺G-3,室温反应过夜,TLC检测反应完全后,将反应液用10倍量冰水淬灭,析出白色沉淀,用二氯甲烷萃取,合并有机相,依次用氯化铵,食盐水,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,将粗品用二氯甲烷溶解,室温下加入TFA,反应4h,减压蒸除反应液,用饱和碳酸钠调pH至9,用二氯甲烷萃取,合并有机相,用食盐水洗涤有机相,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,柱层析分离纯化得目标化合物G,洗脱系统为体积比50:1~10:1DCM/MeOH;
合成路线如下:
试剂及条件:a.1-Boc-哌嗪,120℃,N,N-二甲基甲酰胺(DMF),N,N-二异丙基乙胺(DIEA); b.乙酸乙酯,浓盐酸,室温;c.(i)中间体酸Y,HBTU,N,N-二异丙基乙胺(DIEA),二氯甲烷(DCM)(ii)三氟乙酸(TFA),二氯甲烷(DCM);
根据本发明优选的,化合物I-1~I-4的制备方法,具体步骤如下:
(i)将起始原料I-1用2-甲基吡咯烷酮(NMP)溶解,依次加入1-Boc哌嗪和N,N-二异丙基乙胺(DIEA),120℃微波反应25min,将反应液倒入冰水中,析出白色沉淀,用乙酸乙酯萃取,合并有机相,依次用氯化铵,食盐水洗涤有机相,无水硫酸钠干燥,过滤,减压蒸除溶剂得粗品,柱层析纯化得中间体I-2,洗脱系统为体积比9:1石油醚/乙酸乙酯;
(ii)中间体I-2用乙酸乙酯溶解,室温下,加入浓盐酸,室温搅拌6h,析出灰白色固体,过滤,干燥,得中间体I-3;
(iii)将中间体酸Y用DMF溶剂溶解,依次加入HBTU,DIEA,室温搅拌15min,加入中间体胺I-3,室温反应过夜,TLC检测反应完全后,将反应液用10倍量冰水淬灭,析出白色沉淀,用二氯甲烷萃取,合并有机相,依次用氯化铵,食盐水,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,将粗品用二氯甲烷溶解,室温下加入TFA,反应4h,减压蒸除反应液,用饱和碳酸钠调pH至9,用二氯甲烷萃取,合并有机相,用食盐水洗涤有机相,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,柱层析分离纯化得目标化合物I,洗脱系统为体积比50:1~10:1的DCM/MeOH;
合成路线如下:
试剂及条件:a.1-Boc-哌嗪,120℃,2-甲基吡咯烷酮(NMP),N,N-二异丙基乙胺(DIEA); b.乙酸乙酯,浓盐酸,室温;c.(i)中间体酸Y,HBTU,N,N-二异丙基乙胺(DIEA),二氯甲烷(DCM)(ii)三氟乙酸(TFA),二氯甲烷(DCM);
根据本发明优选的,化合物K-1~K-4的制备方法,具体步骤如下:
(i)将起始原料K-1用2-甲基吡咯烷酮(NMP)溶解,依次加入1-Boc哌嗪和N,N-二异丙基乙胺(DIEA),120℃微波反应25min,将反应液倒入冰水中,析出白色沉淀,用乙酸乙酯萃取,合并有机相,依次用氯化铵,食盐水洗涤,无水硫酸钠干燥,过滤,减压蒸除溶剂得粗品,柱层析纯化得中间体K-2,洗脱系统为体积比9:1石油醚/乙酸乙酯;
(ii)中间体K-2用乙酸乙酯溶解,室温下,加入浓盐酸,室温搅拌6h,析出灰白色固体,过滤,干燥,得中间体K-3;
(iii)将中间体酸Y用DMF溶剂溶解,依次加入HBTU,DIEA,室温搅拌15min,加入中间体胺K-3,室温反应过夜,TLC检测反应完全后,将反应液用10倍量冰水淬灭,析出白色沉淀,用二氯甲烷萃取,合并有机相,依次用氯化铵,食盐水,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,将粗品用二氯甲烷溶解,室温下加入TFA,反应4h,减压蒸除反应液,用饱和碳酸钠调pH至9,用二氯甲烷萃取,合并有机相,用食盐水洗涤有机相,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,柱层析分离纯化分别得目标化合物K,洗脱系统为体积比50:1~10:1DCM/MeOH;
合成路线如下:
试剂及条件:a.1-Boc-哌嗪,120℃,2-甲基吡咯烷酮(NMP),N,N-二异丙基乙胺(DIEA); b.乙酸乙酯,浓盐酸,室温;c.(i)中间体酸Y,HBTU,N,N-二异丙基乙胺(DIEA),二氯甲烷(DCM)(ii)三氟乙酸(TFA),二氯甲烷(DCM);
本发明的室温为20℃—30℃。
三、含哌啶环的哌嗪酮类化合物或其药用盐的应用
通过实验数据表明,在1μM下,化合物G-1、G-2、G-3、G-4、G-9、G-10、G-11、G-12 和I-1对Akt1的抑制活性较好,在10nM下,G-1和G-12对PC-3肿瘤细胞的生长抑制活性较好。因此本发明还提供含哌啶环的哌嗪酮类化合物或其药用盐在制备抗肿瘤药物中的应用,所述的肿瘤为套细胞淋巴瘤和前列腺癌。
本发明还提供一种抗肿瘤的药物组合物,包括本发明的含哌啶环的哌嗪酮类化合物和一种或多种药学上可接受载体或赋形剂。
以下实验例仅用于说明本发明的技术效果,但所述的实验例不用于限制本发明。
实验例1:化合物对Akt1抑制活性测试及对PC-3细胞的生长抑制测定实验
1)化合物对AKT1激酶抑制活性实验:
实验材料和仪器:
HTRF试剂盒(德国Cisbio公司)、生物级DMSO(美国Sigma-Aldrich公司)、电子分析天平ER-182A型(日本A&D公司)、AKT1激酶200ng/μL(日本Carna Biosciences 公司)、384微孔板(美国Perkin Elmer公司)、酶标仪(Perkin Elmer Inspire多功能酶标仪)、台式离心机(美国Thermo Scientific公司)。
实验步骤:
冰浴条件下,将4μL化合物(用激酶缓冲液稀释),2μL底物KinEASE STK S3(AKT1底物)和2μL AKT1激酶依次加入到384孔板上,混匀,离心,加入2μL ATP混匀离心, 37℃下孵育40分钟。加入10μL anti-Eu(K)STK抗体溶液和treptavidin-XL665缓冲液等体积的混合液(含有的EDTA可终止酶反应),室温孵育2h,采用BioTek多功能酶标仪 Synnergy 2TM检测发射波长620nm和665nm的荧光值。
实验中,分别设有空白对照(P),背景对照(N)和化合物组(C),化合物组是将不同浓度待测化合物溶液(4μL)加入到384孔板中,阳性对照组则是加入相同体积的1×激酶缓冲液,其余与合物组相同,阴性对照组不加待测化合物,也不加AKT1激酶溶液,用1×激酶缓冲液代替,其他与化合物组相同。
抑制率的计算公式为:
其中c为测试组,n为背景组,p为空白组。
目标化合物对AKT1激酶抑制活性测定实验结果见表1。
2)化合物对肿瘤细胞的生长抑制活性实验:
实验材料与仪器:
人前列腺癌细胞株PC-3(上海中科院细胞典藏中心),人套细胞淋巴瘤细胞株Mino, Rec-1,Jeko-1,Maver-1,Z138,Granta-519,JVM-2,JVM-13(美国典型培养物保藏中心 -American Type Culture Collection,ATCC),F-12培养基、RPMI-1640培养基(美国Sigma 公司)、胎牛血清(美国Sigma公司)、HEPES缓冲液(美国CORNING公司)、青霉素纳(10000units/mL)-硫酸链霉素(10mg/mL)(美国Sigma公司)、台盼蓝试剂-Trypan bluesolution(美国Sigma公司)、倒置光学显微镜(美国Fisher Scientific公司)、细胞培养箱(美国NUAIER公司)、超净工作台(美国NUAIER公司)、细胞计数器-TC20TM Automated CellCounter)(美国Bio-Rad公司)、电热恒温水浴锅(美国Fisher Scientific公司)、台式离心机(美国Thermo Scientific公司)、酶标仪(BioTek Synergy HTX多功能检测仪)、超低温冰箱(美国Thermo Scientific公司)。
化合物对前列癌细胞(PC-3)生长抑制活性实验
实验方法:
化合物对PC-3细胞生长抑制活性测定,采用MTT法。取对数生长期的PC-3细胞 (5×103个),接种于96孔板中,每孔加入10%(体积分数)胎牛血清(FBS)F-12 培养基,将铺好的96孔板置于37℃、5%(v/v)的CO2恒温培养箱内孵育12h,依次加入100μL培养基,1μL不同浓度的化合物(DMSO的终浓度不高于0.5%),再将96孔板置于37℃、5%(v/v)CO2恒温培养箱孵育72h;将10μL MTT溶液加入96孔板中(每孔),再次将96孔板与37℃孵育4h。孵育完毕,离心20min(2500r·min-1)。去掉上清液,将200μL DMSO加入每孔中,振荡,充分溶解。用酶联免疫检测仪 (Bio-Rad 680)检测570nm处测吸光度(OD值)。
化合物抑制率由公式:抑制率(IR%)=(空白组OD值-给药组OD值)/空白组OD 值×100%,计算,再根据抑制率浓度曲线得IC50值。
化合物对PC-3细胞生长抑制活性测定结果见表1。
表1.目标化合物的活性测定数据
表1实验数据表明,在1μM下,化合物G-1、G-2、G-3、G-4、G-9、G-10、G-11、G-12 和I-1对Akt1的抑制活性较好,我们进一步测定他们的对Akt1抑制活性的IC50,化合物G1 和G12表现对Akt1较好的抑制活性。我们进一步测定了化合物对前列腺癌细胞PC-3的生长抑制活性,G-1和G-12对PC-3细胞的生长抑制活性较好,分别为IC50=9.8μM和IC50=3.7μM。
具体实施方式
结合实施例对本发明作进一步的说明,应该说明的是,下述说明仅是为了解释本发明,并不对其内容进行限定。实施例中采用的条件可以根据现有的设备条件做进一步调整,未注明的实施条件通常为常规实验中的条件。
实施例1:
1)中间体G-2的制备
称取4-氯-3-取代基-1H-吡唑并[3,4-d]嘧啶(12.85mmol),用DMF(8mL)溶解,室温下依次加入N,N-二异丙基乙胺(DIEA)(1.99g,15.42mmol)、1-Boc哌嗪(2.51g,13.49mmol),120℃搅拌反应过夜,反应完毕,,将反应液倒入150mL冰水中,析出大量淡黄色固体,过滤,用30mL水洗滤饼,干燥得淡黄色粗品G-2(12.85mmol)不经纯化直接进行下一步反应。
2)中间体I-2的制备
称取6-氯-9H-嘌呤(2.0g,12.94mmol),用2-甲基吡咯烷酮(NMP)(10mL)溶解,依次加入1-Boc哌嗪(2.65g,14.2mmol)和N,N-二异丙基乙胺(DIEA)(2.51g,19.41mmol), 120℃微波反应25min,将反应液倒入120mL冰水中,析出白色沉淀,用乙酸乙酯(25mL×3) 萃取,合并有机相,依次用氯化铵(20mL×3),食盐水(20mL×3)洗涤有机相,无水硫酸钠干燥,过滤,减压蒸除溶剂得粗品,柱层析纯化得白色中间体I-2(3.6g,12.94mmol),洗脱系统为石油醚/乙酸乙酯(9:1)。
I-2:类白色固体,产率:91%,1H NMR(400MHz,DMSO)δ13.09(s,1H),8.23(s,1H),8.15 (s,1H),4.21(br,4H),3.44(br,4H),1.43(s,9H).
3)中间体K-2的制备
称取4-氯喹唑啉(2.5g,15.2mmol),用NMP(10mL)溶解,依次加入1-Boc哌嗪(3.1g,16.7mmol)和DIEA(3.95,30.4mmol),120℃微波反应25min,将反应液倒入120mL冰水中,析出白色沉淀,用乙酸乙酯(20mL×3)萃取,合并有机相,依次用氯化铵(15mL×3),食盐水(20mL×3)洗涤,无水硫酸钠干燥,过滤,减压蒸除溶剂得粗品,柱层析纯化得中间体K-2(4.3g),洗脱系统为石油醚/乙酸乙酯(9:1)。
K-2:类白色固体,产率88%,1H NMR(400MHz,DMSO)δ8.88(s,1H),8.24(d,J=8.4Hz,1H), 8.09–7.93(m,2H),7.72(t,J=7.7Hz,1H),7.49–7.15(m,1H),4.26–4.14(m,4H),3.62(s,4H), 1.44(s,9H).
4)中间体G-3的制备
称取G-2(3.91mmol),用乙酸乙酯(8mL)溶解,室温下加入(3mL)浓盐酸,室温搅拌4h,反应完毕,析出淡黄色固体,过滤,干燥得淡黄色固体G-3(3.91mmol)。
5)中间体I-3的制备
称取中间体I-2(3.0g,9.86mmol),用(6mL)乙酸乙酯溶解,室温下,加入(2mL)浓盐酸,室温搅拌6h,析出灰白色固体,过滤,干燥,得灰白色中间体I-3(2.4g,9.86mmol)
I-3:灰白色固体,产率:88%,1H NMR(400MHz,DMSO)δ9.71(br,2H),8.45(s,1H),8.39 (s,1H),4.52(s,4H),3.28(s,4H).
6)中间体K-3的制备
称取中间体K-2(3.0g,9.54mmol),用乙酸乙酯(6mL)溶解,室温下,加入(2mL) 浓盐酸,室温搅拌6h,析出灰白色固体,过滤,干燥,得灰白色中间体K-3(2.3g),
K-3:灰白色固体,产率84%,1H NMR(400MHz,DMSO)δ10.02(s,2H),8.95(s,1H),8.25 (d,J=8.4Hz,1H),8.10–8.02(m,2H),7.74(ddd,J=8.4,5.6,2.7Hz,1H),4.37(s,4H),3.34(s, 4H).
7)目标化合物G,I,K的制备
将中间体酸Y(0.5mmol)用DMF(6mL)溶剂溶解,依次加入HBTU(0.53mmol), DIEA(3.0mmol),室温搅拌15min,加入中间体胺(G-3,I-3或K-3)(0.5mmol),室温反应过夜,TLC检测反应完全后,将反应液用10倍量冰水淬灭,析出白色沉淀,用二氯甲烷 (3×30mL)萃取,合并有机相,依次用氯化铵(20mL×3),食盐水(20mL×3),无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,将粗品用二氯甲烷(4mL)溶解,室温下加入1mL TFA,反应4h,减压蒸除反应液,用饱和碳酸钠调pH至9,用二氯甲烷(20mL×3)萃取,合并有机相,用食盐水(20mL×3)洗涤有机相,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,柱层析分离纯化得目标化合物,洗脱系统为DCM/MeOH(50:1~10:1)。
G系列化合物:
G-1:(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(4-氯苯基)哌啶-4-基)甲酮,类白色固体,产率43%,mp:180-184℃,1H NMR(400MHz,MeOD)δ8.27(s,1H),7.48(d,J=8.4Hz,2H),7.37(d,J=8.5Hz,2H),3.96-3.59(m,4H),3.43(d,J=12.9Hz,2H),3.36(d, J=12.0Hz,2H),3.21(q,J=7.3Hz,4H),2.57(d,J=13.9Hz,2H),2.17(t,J=11.6Hz,2H).13C NMR(101MHz,DMSO)δ171.16,158.80,157.01,155.13,142.52,132.36,129.77(2C),127.52 (2C),119.08,101.59,48.02(2C),45.91(3C),41.54(2C),32.21(2C).
G-2:(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(4-溴苯基)哌啶-4-基)甲酮,白色固体,产率52%,mp:175-178℃,1H NMR(400MHz,MeOD)δ8.26(s,1H),7.62(d,J=8.5Hz,2H),7.32(d,J=8.5Hz,2H),3.96-3.59(m,4H),3.46-3.35(m,4H),3.21(q,J=7.3Hz, 4H),2.56(d,J=13.8Hz,2H),2.19(t,J=11.5Hz,2H).13C NMR(101MHz,MeOD)δ171.48, 158.91,156.41,154.62,141.99,132.44(2C),126.96(2C),121.34,119.03,101.53,47.93(2C), 46.51(2C),41.70(2C),38.90,32.07(2C).
G-3:(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(4-氟苯基)哌啶-4-基)甲酮,类白色固体,产率32%,mp:194-196℃,1H NMR(400MHz,DMSO)δ8.27(s,1H),7.31(s,2H),7.21(s,2H),3.42(br,8H),2.87(s,4H),2.17(s,2H),1.78(s,2H).13C NMR(101MHz, DMSO)δ172.63,158.88,157.61,154.74,141.82,127.65(2C),118.64,117.03(m),116.23(2C), 101.59,49.40(2C),48.75(2C),43.63(3C),36.77(2C).
G-4:(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(3,4-二氯苯基)哌啶-4-基) 甲酮,灰白色固体,产率34%,mp:195-198℃,1H NMR(400MHz,MeOD)δ8.27(s,1H), 7.60(d,J=8.5Hz,1H),7.53(d,J=2.2Hz,1H),7.29(dd,J=8.5,2.2Hz,1H),3.66(br,8H),3.28 (br,2H),3.21(t,J=11.8Hz,2H),2.49(d,J=13.4Hz,2H),2.08(t,J=15.2Hz,2H).13C NMR (101MHz,MeOD)δ171.49,158.97,156.50,154.56,144.10,133.13,131.31(2C),127.08,125.16, 118.95,101.57,48.36(2C),47.05(2C),45.26,41.94(2C),33.24(2C).
G-5:(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(4-氯苯基)哌啶-4-基)甲酮,白色固体,产率67%,mp:120-123℃,1H NMR(400MHz,MeOD)δ8.21(s,1H),8.12(s,1H),7.42(d,J=8.3Hz,2H),7.34(d,J=8.3Hz,2H),4.05–3.45(m,8H),3.20–3.04(m,4H),2.42(d, J=13.5Hz,2H),2.01(br,2H).13C NMR(101MHz,MeOD)δ172.82,157.09,155.04,154.70, 142.69,133.40,132.97,129.19(2C),126.69(2C),99.79,48.88(2C),43.84(2C),42.43(3C),34.52 (2C).
G-6:(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(4-溴苯基)哌啶-4-基)甲酮,白色固体,产率62%,mp:149-152℃,1H NMR(400MHz,MeOD)δ8.21(s,1H),8.12(s,1H),7.55(d,J=8.6Hz,2H),7.27(d,J=8.6Hz,2H),3.67(br,8H),3.04(br,4H),2.37(d,J=12.9Hz, 2H),1.95(t,J=14.7Hz,2H).13C NMR(101MHz,MeOD)δ173.17,157.09,155.04,154.69, 143.66,133.42,132.12(2C),127.06(2C),120.63,99.79,49.31(2C),43.33(2C),41.81(3C),35.35 (2C).
G-7:(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(4-氟苯基)哌啶-4-基)甲酮,白色固体,产率64%,mp:112-115℃,1H NMR(400MHz,MeOD)δ8.20(s,1H),8.11(s,1H),7.36 (dd,J=8.5,5.2Hz,2H),7.14(t,J=8.6Hz,2H),3.69(s,8H),2.38(d,J=13.3Hz,2H),2.05– 1.84(m,2H).13C NMR(101MHz,MeOD)δ173.46,157.08,155.04,154.69,140.40,133.41(2C), 126.93(2C),115.80,115.58,99.78,49.11(2C),43.92(2C),42.77(3C),35.57(2C).
G-8:(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(3,4-二氯苯基)哌啶-4-基)甲酮,白色固体,产率52%,mp:174-177℃,1H NMR(400MHz,MeOD)δ8.20(d,J=10.6Hz,1H),8.13(s,1H),7.55(d,J=8.5Hz,1H),7.51(d,J=1.9Hz,1H),7.26(dd,J=8.4,1.9Hz,1H), 3.80(br,4H),3.55(br,4H),3.14–3.01(m,4H),2.39(d,J=13.3Hz,2H),2.02–1.92(m,2H). 13C NMR(101MHz,MeOD)δ172.43,157.08,155.04,154.70,144.94,133.47,132.98,131.14, 130.92,127.07,125.18,99.80,49.12(2C),45.46(2C),42.53(3C),34.91(2C).
G-9:(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(4-氯苯基)哌啶-4-基)甲酮,白色固体,产率51%,mp:184-188℃,1H NMR(400MHz,DMSO)δ8.23(s,1H),7.44(d,J=8.5Hz,2H),7.30(d,J=8.5Hz,2H),3.44(s,8H),2.82(d,J=15.6Hz,4H),2.17(d,J=12.9 Hz,2H),1.76(d,J=7.5Hz,2H).13C NMR(101MHz,DMSO)δ172.52,158.34,158.10,154.50, 144.71,131.60,130.10,129.43(2C),127.68(2C),98.94,49.65(2C),47.96(2C),43.70(2C),41.08, 36.84(2C).
G-10:(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(4-溴苯基)哌啶-4-基) 甲酮,白色固体,产率56%,mp:181-185℃,1H NMR(400MHz,DMSO)δ8.10(s,1H),7.57(d,J=8.1Hz,2H),7.24(d,J=8.2Hz,2H),3.41(s,8H),2.82(s,4H),2.15(d,J=12.7Hz,2H), 1.73(d,J=9.7Hz,2H).13C NMR(101MHz,DMSO)δ172.45,160.45,158.41,152.79,144.79, 135.71,132.41(2C),128.05(2C),127.84,98.77,49.70(2C),48.26(2C),43.84(2C),40.83,36.99 (2C).
G-11:(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(4-氟苯基)哌啶-4-基)甲酮,类白色固体,产率53%,mp:135-138℃,1H NMR(400MHz,DMSO)δ8.21(s,1H),7.35 –7.27(m,2H),7.21(t,J=8.7Hz,2H),3.42(s,8H),2.82(d,J=13.2Hz,4H),2.18(d,J=12.8 Hz,2H),1.84–1.67(m,2H).13C NMR(101MHz,DMSO)δ172.62,162.37,159.95,158.41, 154.14,141.96,129.69,127.67(2C),116.29,116.08,98.88,49.51(2C),48.06(2C),43.76(2C), 41.09,37.08(2C).
G-12:(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)-4-(3,4-二氯苯基)哌啶-4- 基)甲酮,类白色固体,产率49%,mp:195-199℃,1H NMR(400MHz,MeOD)δ8.22(d,J=15.1Hz,1H),7.56(d,J=8.4Hz,1H),7.51(s,1H),7.27(d,J=6.8Hz,1H),3.61(br,8H),3.08 (br,4H),2.39(d,J=13.4Hz,2H),1.96(br,2H).13C NMR(101MHz,MeOD)δ172.31,158.46, 154.59,144.99,132.97,131.17,131.14,130.94,127.14,125.19,122.38,98.78,49.19(2C),49.05 (2C),42.55(2C),42.47,34.84(2C).
I系列化合物:
I-1:(4-(9H-嘌呤-6-基)哌嗪-1-基)-4-(4-氟苯基)哌啶-4-基)甲酮,白色固体,产率:59%,mp:173~175℃,1H NMR(400MHz,DMSO)δ8.19(s,1H),8.11(s,1H),7.61(d,J=8.4 Hz,2H),7.25(d,J=8.4Hz,2H),3.90(s,4H),3.39(s,4H),3.10(d,J=12.5Hz,2H),2.96(t,J= 11.7Hz,2H),2.29(d,J=13.3Hz,2H),1.99(t,J=11.0Hz,2H).13C NMR(101MHz,DMSO)δ 171.63,153.55,152.07(d,J=14.5Hz),143.98,138.97,132.51,127.97,120.46,119.26,48.77 (2C),44.51,44.42,44.18,42.47(2C),34.17(2C).
I-2:(4-(9H-嘌呤-6-基)哌嗪-1-基)-4-(4-氯苯基)哌啶-4-基)甲酮,白色固体,产率:63%,mp:186~188℃,1H NMR(400MHz,DMSO)δ8.18(s,1H),8.10(s,1H),7.34(dd,J=8.8,5.3Hz,2H),7.26(t,J=8.8Hz,2H),4.28-3.69(m,6H),3.58–3.41(m,2H),3.21(d,J=12.8 Hz,2H),3.03(t,J=11.7Hz,2H),2.36(d,J=13.7Hz,2H),2.09(t,J=12.3Hz,2H).13C NMR (101MHz,DMSO)δ171.52,162.65,160.22,153.48,152.14,140.24,138.96,127.66(2C),119.26, 116.59,116.38,48.15,46.08(2C),44.59,44.40,43.12,41.96(2C),33.25(2C).
I-3:(4-(9H-嘌呤-6-基)哌嗪-1-基)-4-(4-溴苯基)哌啶-4-基)甲酮,白色固体,产率:67%,mp:234~236℃,1H NMR(400MHz,DMSO)δ8.18(s,1H),8.10(s,1H),7.46(d,J=8.4 Hz,2H),7.31(d,J=8.4Hz,2H),3.88(br,4H),3.39(br,4H),3.01-2.83(m,4H),2.23(d,J=13.1 Hz,2H),1.86(t,J=10.0Hz,2H).13C NMR(101MHz,DMSO)δ172.08,153.48,152.07(2C), 144.18,138.97,131.75,129.50(2C),127.67(2C),119.25,49.18(2C),44.82,44.49,44.28,43.12 (2C),35.66(2C).
I-4:(4-(9H-嘌呤-6-基)哌嗪-1-基)-4-(3,4-二氯苯基)哌啶-4-基)甲酮,白色固体,产率:69%,mp:203~205℃,1H NMR(400MHz,DMSO)δ8.19(s,1H),8.11(s,1H),7.64(d,J=8.4Hz,1H),7.50(s,1H),7.24(d,J=9.9Hz,1H),3.93(br,8H),2.95–2.78(m,4H),2.20(d,J =13.0Hz,2H),1.79(d,J=13.4Hz,2H).13C NMR(101MHz,DMSO)δ171.84,153.46,152.08 (2C),146.64,139.03,132.14,131.63,129.72,127.66,126.52,119.27,49.58(2C),46.15(2C), 44.61,43.44(2C),36.39(2C).
K系列化合物:
K-1:(4-(喹唑啉-4-基)哌嗪-1-基)-4-(4-氟苯基)哌啶-4-基)甲酮,白色固体,产率:67%,mp:145~147℃,1H NMR(400MHz,DMSO)δ8.61(s,1H),7.94(d,J=8.3Hz,1H),7.81(s,2H),7.63(d,J=8.4Hz,2H),7.53(m,1H),7.24(d,J=8.4Hz,2H),3.91-3.45(m,6H), 3.41-3.35(m,2H),3.25(d,J=12.6Hz,2H),3.05(t,J=12.1Hz,2H),2.34(d,J=13.6Hz,2H), 2.14(t,J=11.7Hz,2H).13C NMR(101MHz,DMSO)δ171.08,164.10,153.95,151.69,143.15, 133.31,132.74(2C),128.50,127.71(2C),126.28,125.54,120.72,116.06,63.12,60.01,52.56, 49.09,48.06,41.66,32.56,21.20,14.29.
K-2:(4-(喹唑啉-4-基)哌嗪-1-基)-4-(4-氯苯基)哌啶-4-基)甲酮,
类白色固体,产率:64%,mp:106~108℃,1H NMR(400MHz,DMSO)δ8.60(s,1H),7.93 (d,J=8.2Hz,1H),7.80(s,2H),7.52(s,1H),7.38–7.16(m,4H),3.80-3.41(m,6H),3.26-3.17 (m,4H),3.03(t,J=11.9Hz,2H),2.34(d,J=13.3Hz,2H),2.08(t,J=11.8Hz,2H).13C NMR (101MHz,DMSO)δ171.53,164.11,153.95,151.65,140.21,133.30(2C),128.50,127.54(2C), 126.27,125.69,116.65,116.44,116.29,52.47,48.99,48.83,48.202C),41.97,33.27,21.24,14.10.
K-3:(4-(喹唑啉-4-基)哌嗪-1-基)-4-(4-溴苯基)哌啶-4-基)甲酮,
白色固体,产率:72%,mp:189~191℃,1H NMR(400MHz,DMSO)δ8.61(s,1H),7.94(d, J=8.3Hz,1H),7.84–7.78(m,2H),7.57–7.45(m,3H),7.31(d,J=8.6Hz,2H),3.92–3.38(m, 6H),3.26(br,4H),3.07(t,J=12.0Hz,2H),2.36(d,J=13.8Hz,2H),2.17(t,J=11.8Hz, 2H).13C NMR(101MHz,DMSO)δ171.15,164.09,153.94,151.66,142.67,133.29,132.29, 129.77(2C),128.50,127.44(2C),126.27,125.69,116.29,60.22,48.92(2C),48.11(2C),41.58, 32.38,21.24,14.56.
K-4:(4-(喹唑啉-4-基)哌嗪-1-基)-4-(3,4-二氯苯基)哌啶-4-基)甲酮,白色固体,产率:76%,mp:254~256℃,1H NMR(400MHz,DMSO)δ8.61(s,1H),7.95(d,J=8.3Hz,1H), 7.83–7.79(m,2H),7.69(d,J=8.5Hz,1H),7.56–7.48(m,2H),7.25(dd,J=8.5,2.2Hz,1H), 3.94–3.31(m,7H),3.27(br,3H),3.06(t,J=12.0Hz,2H),2.37(d,J=13.8Hz,2H),2.18(t,J= 11.6Hz,2H).13C NMR(101MHz,DMSO)δ170.67,164.09,153.94,151.68,144.67,133.29, 132.44,131.96,130.47,128.51,127.43,126.32,126.29,125.69,116.31,60.22,48.98,48.17(2C), 41.56(2C),32.31,21.25,14.56。

Claims (10)

1.一种含哌啶环的哌嗪酮类化合物或其药用盐,其特征在于,结构如通式I所示:
通式I中,
R1是氢,卤素,多取代卤素,硝基,氨基,取代氨基,氰基,C1~6直链或支链烷氧基,C1~6直链或支链烷基;
Z是其中,R2是氢,卤素,C1~6烷基,氨基,取代氨基。
2.如权利要求1所述的含哌啶环的哌嗪酮类化合物,其特征在于,R1是氢,氟,溴,氯或2,4-二氯取代;R2是氢,溴,氯。
3.如权利要求1所述的含哌啶环的哌嗪酮类化合物,其特征在于,是下列化合物之一:
(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氯苯基)哌啶-4-基)甲酮(G-1)、
(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-溴苯基)哌啶-4-基)甲酮(G-2)、
(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氟苯基)哌啶-4-基)甲酮(G-3)、
(4-(3-溴-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(3,4-二氯苯基)哌啶-4-基)甲酮(G-4)、
(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氯苯基)哌啶-4-基)甲酮(G-5)、
(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-溴苯基)哌啶-4-基)甲酮(G-6)、
(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氟苯基)哌啶-4-基)甲酮(G-7)、
(4-(1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(3,4-二氯苯基)哌啶-4-基)甲酮(G-8)、
(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氯苯基)哌啶-4-基)甲酮(G-9)、
(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-溴苯基)哌啶-4-基)甲酮(G-10)、
(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(4-氟苯基)哌啶-4-基)甲酮(G-11)、
(4-(3-氯-1H-吡唑并[3,4-d]嘧啶-4-基)哌嗪-1-基)(4-(3,4-二氯苯基)哌啶-4-基)甲酮(G-12)、
(4-(9H-嘌呤-6-基)哌嗪-1-基)(4-(4-氟苯基)哌啶-4-基)甲酮(I-1)、
(4-(9H-嘌呤-6-基)哌嗪-1-基)(4-(4-氯苯基)哌啶-4-基)甲酮(I-2)、
(4-(9H-嘌呤-6-基)哌嗪-1-基)(4-(4-溴苯基)哌啶-4-基)甲酮(I-3)、
(4-(9H-嘌呤-6-基)哌嗪-1-基)(4-(3,4-二氯苯基)哌啶-4-基)甲酮(I-4)、
(4-(喹唑啉-4-基)哌嗪-1-基)(4-(4-氟苯基)哌啶-4-基)甲酮(K-1)、
(4-(喹唑啉-4-基)哌嗪-1-基)(4-(4-氯苯基)哌啶-4-基)甲酮(K-2)、
(4-(喹唑啉-4-基)哌嗪-1-基)(4-(4-溴苯基)哌啶-4-基)甲酮(K-3)、
(4-(喹唑啉-4-基)哌嗪-1-基)(4-(3,4-二氯苯基)哌啶-4-基)甲酮(K-4)。
4.如权利要求1所述的含哌啶环的哌嗪酮类化合物的制备方法,包括以下步骤:
(1)G-1或起始原料I-1或起始原料K-1与Boc保护的哌嗪,在DMF条件下反应分别得中间体G-2或中间体I-2或中间体K-2;
(2)中间体G-2或中间体I-2或中间体K-2在乙酸乙酯和浓盐酸溶液或三氟乙酸和二氯甲烷中脱去Boc,分别得中间体G-3或中间体I-3或中间体K-3;
(3)中间体G-3或中间体I-3或中间体K-3在HBTU,DIEA,DCM存在下,与中间体酸Y反应后,与TFA的DCM溶液反应,脱掉Boc保护基,分别得目标化合物G或目标化合物I或目标化合物K;
合成路线如下:
试剂及条件:a.1-Boc-哌嗪,N,N-二甲基甲酰胺(DMF)或2-甲基吡咯烷酮(NMP),N,N-二异丙基乙胺(DIEA);b.乙酸乙酯和浓盐酸溶液,室温;c.(i)中间体酸Y,HBTU,N,N-二异丙基乙胺(DIEA),二氯甲烷(DCM)(ii)三氟乙酸(TFA),二氯甲烷(DCM);
其中,R1、R2如权利要求1中通式I中所述。
5.如权利要求3所述的含哌啶环的哌嗪酮类化合物的制备方法,其中,化合物G-1~G-12的制备方法,具体步骤如下:
(i)将起始原料G-1用DMF溶解,室温下依次加入N,N-二异丙基乙胺(DIEA)、1-Boc哌嗪,120℃搅拌反应过夜,反应完毕,,将反应液倒入冰水中,析出大量淡黄色固体,过滤,用水洗滤饼,干燥得中间体G-2,不经纯化直接进行下一步反应;
(ii)中间体G-2用乙酸乙酯溶解,室温下加入浓盐酸,室温搅拌4h,反应完毕,析出淡黄色固体,过滤,干燥得中间体G-3;
(iii)将中间体酸Y用DMF溶剂溶解,依次加入HBTU,DIEA,室温搅拌15min,加入中间体胺G-3,室温反应过夜,TLC检测反应完全后,将反应液用10倍量冰水淬灭,析出白色沉淀,用二氯甲烷萃取,合并有机相,依次用氯化铵,食盐水,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,将粗品用二氯甲烷溶解,室温下加入TFA,反应4h,减压蒸除反应液,用饱和碳酸钠调pH至9,用二氯甲烷萃取,合并有机相,用食盐水洗涤有机相,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,柱层析分离纯化得目标化合物G,洗脱系统为体积比50:1~10:1DCM/MeOH;
合成路线如下:
试剂及条件:a.1-Boc-哌嗪,120℃,N,N-二甲基甲酰胺(DMF),N,N-二异丙基乙胺(DIEA);b.乙酸乙酯,浓盐酸,室温;c.(i)中间体酸Y,HBTU,N,N-二异丙基乙胺(DIEA),二氯甲烷(DCM)(ii)三氟乙酸(TFA),二氯甲烷(DCM)。
6.如权利要求3所述的含哌啶环的哌嗪酮类化合物的制备方法,其中,化合物I-1~I-4的制备方法,具体步骤如下:
(i)将起始原料I-1用2-甲基吡咯烷酮(NMP)溶解,依次加入1-Boc哌嗪和N,N-二异丙基乙胺(DIEA),120℃微波反应25min,将反应液倒入冰水中,析出白色沉淀,用乙酸乙酯萃取,合并有机相,依次用氯化铵,食盐水洗涤有机相,无水硫酸钠干燥,过滤,减压蒸除溶剂得粗品,柱层析纯化得中间体I-2,洗脱系统为体积比9:1石油醚/乙酸乙酯;
(ii)中间体I-2用乙酸乙酯溶解,室温下,加入浓盐酸,室温搅拌6h,析出灰白色固体,过滤,干燥,得中间体I-3;
(iii)将中间体酸Y用DMF溶剂溶解,依次加入HBTU,DIEA,室温搅拌15min,加入中间体胺I-3,室温反应过夜,TLC检测反应完全后,将反应液用10倍量冰水淬灭,析出白色沉淀,用二氯甲烷萃取,合并有机相,依次用氯化铵,食盐水,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,将粗品用二氯甲烷溶解,室温下加入TFA,反应4h,减压蒸除反应液,用饱和碳酸钠调pH至9,用二氯甲烷萃取,合并有机相,用食盐水洗涤有机相,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,柱层析分离纯化得目标化合物I,洗脱系统为体积比50:1~10:1的DCM/MeOH;
合成路线如下:
试剂及条件:a.1-Boc-哌嗪,120℃,2-甲基吡咯烷酮(NMP),N,N-二异丙基乙胺(DIEA);b.乙酸乙酯,浓盐酸,室温;c.(i)中间体酸Y,HBTU,N,N-二异丙基乙胺(DIEA),二氯甲烷(DCM)(ii)三氟乙酸(TFA),二氯甲烷(DCM)。
7.如权利要求3所述的含哌啶环的哌嗪酮类化合物的制备方法,其中,化合物K-1~K-4的制备方法,具体步骤如下:
(i)将起始原料K-1用2-甲基吡咯烷酮(NMP)溶解,依次加入1-Boc哌嗪和N,N-二异丙基乙胺(DIEA),120℃微波反应25min,将反应液倒入冰水中,析出白色沉淀,用乙酸乙酯萃取,合并有机相,依次用氯化铵,食盐水洗涤,无水硫酸钠干燥,过滤,减压蒸除溶剂得粗品,柱层析纯化得中间体K-2,洗脱系统为体积比9:1石油醚/乙酸乙酯;
(ii)中间体K-2用乙酸乙酯溶解,室温下,加入浓盐酸,室温搅拌6h,析出灰白色固体,过滤,干燥,得中间体K-3;
(iii)将中间体酸Y用DMF溶剂溶解,依次加入HBTU,DIEA,室温搅拌15min,加入中间体胺K-3,室温反应过夜,TLC检测反应完全后,将反应液用10倍量冰水淬灭,析出白色沉淀,用二氯甲烷萃取,合并有机相,依次用氯化铵,食盐水,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,将粗品用二氯甲烷溶解,室温下加入TFA,反应4h,减压蒸除反应液,用饱和碳酸钠调pH至9,用二氯甲烷萃取,合并有机相,用食盐水洗涤有机相,无水硫酸钠干燥,过滤,减压蒸除二氯甲烷得粗品,柱层析分离纯化分别得目标化合物K,洗脱系统为体积比50:1~10:1 DCM/MeOH;
合成路线如下:
试剂及条件:a.1-Boc-哌嗪,120℃,2-甲基吡咯烷酮(NMP),N,N-二异丙基乙胺(DIEA);b.乙酸乙酯,浓盐酸,室温;c.(i)中间体酸Y,HBTU,N,N-二异丙基乙胺(DIEA),二氯甲烷(DCM)(ii)三氟乙酸(TFA),二氯甲烷(DCM)。
8.如权利要求1-3任一所述的含哌啶环的哌嗪酮类化合物在制备抗肿瘤药物中的应用。
9.如权利要求8所述的应用,其特征在于所述的肿瘤为套细胞淋巴瘤和前列腺癌。
10.一种抗肿瘤的药物组合物,包括权利要求1-3任一所述的含哌啶环的哌嗪酮类化合物和一种或多种药学上可接受载体或赋形剂。
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