CN108727382B - 作为btk抑制剂的杂环化合物及其应用 - Google Patents
作为btk抑制剂的杂环化合物及其应用 Download PDFInfo
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- CN108727382B CN108727382B CN201710258020.2A CN201710258020A CN108727382B CN 108727382 B CN108727382 B CN 108727382B CN 201710258020 A CN201710258020 A CN 201710258020A CN 108727382 B CN108727382 B CN 108727382B
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- Prior art keywords
- amino
- phenyl
- btk
- alkyl
- group
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- 201000011510 cancer Diseases 0.000 claims description 8
- 208000025205 Mantle-Cell Lymphoma Diseases 0.000 claims description 7
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- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 6
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- A61K31/5375—1,4-Oxazines, e.g. morpholine
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Abstract
本发明涉及作为BTK抑制剂的杂环化合物及其应用。具体地说,本发明涉及具备BTK抑制活性的式I所示化合物、含有式I化合物的药物组合物及所述化合物在制备治疗或预防BTK相关疾病或抑制BTK的药物中的应用:
Description
技术领域
本发明涉及药物化学领域;具体地说,本发明涉及具有BTK抑制活性的化合物及其应用。
背景技术
免疫细胞通常可以分为T细胞与B细胞两类,其中B细胞的主要职能是分泌各种抗体帮助人体抵御各种外敌的侵入。Bruton酪氨酸激酶(BTK)主要在B细胞中表达,分布于淋巴系统、造血及血液系统。近年来有关B细胞特别是针对B细胞非霍奇金性淋巴癌和类风湿关节炎的研究发现,BTK往往会出现异常表达。BTK是B细胞抗原受体(BCR)信号通路中的关键激酶,能够调节正常B细胞的成熟、分化,也与多种B细胞淋巴组织失调疾病密切相关。
BTK是非受体蛋白酪氨酸激酶Tec家族的成员。Tec家族是人类非受体激酶中仅次于Src家族的第2大家族,其主要成员包括BTK、BMX(etk)、ITK、TEC和TXK(RLK)。BTK在1993年被确定为人X-连锁无丙种球蛋白血症(X-linked agammaglobulinemia,XLA)中的缺陷蛋白。这种蛋白在B细胞各个发展阶段均有表达(除了最终分化的浆细胞),在前B淋巴细胞过渡为后期B细胞过程中,Btk为细胞分化和增值所必需基因,且在B细胞淋巴瘤、急性淋巴细胞白血病(ALL)和浆细胞瘤中均有表达。此外,在骨髓细胞和红系祖细胞中也有少量表达。
BTK结构中包含5个主要结构域,分别是PH结构域(Pleckstrin homology),TH结构域(Tec homology),SH3结构域(Src homology 3),SH2结构域(Src homology 2)和SH1结构域(Src homology1)。其中PH结构域包含转录因子BAP-135/TFII-I以及活性下调因子PIN1、IBTK的结合位点,同时也负责介导BTK与第2信使磷脂酰肌醇三磷酸(PIP3)的作用。TH结构域与PH结构域相邻,由80个氨基酸残基构成,包括BTK基序(Zn辅因子结合位点)、PKC-β结合位点以及富脯氨酸基序的保守区。SH1结构域包含活化环、ATP结合位点、催化器以及变构抑制片段。BTK的活化(磷酸化)最初发生在SH1结构域中的活化环中,进一步的活化发生在包含主要自磷酸化位点的SH2及SH3结构域中。这些SH结构域也包含BTK进行核质穿梭所需要的核定位信号(NLS)及核输出序列(NES)BTK下游有多个受体,包括生长因子、B细胞抗原、趋化因子及非特异免疫受体等。因此,BTK的活化能引发多种细胞过程,如细胞增殖、存活、分化、血管新生、细胞因子合成及抗原递呈等。
BTK活化过程复杂,这个过程中的重要步骤是BTK迁移到细胞膜。细胞膜上的一些受体接收到相应配体的刺激被激活,活化的受体会募集并磷酸化胞内的信号转导激酶PI3K,磷酸化的PI3K接着将膜上的PIP2转化为第2信使PIP3。PIP3结合到BTK的PH结构域,BTK随后会被募集至细胞膜,Tyr-551残基被Syk和Lyn激酶磷酸化,接着在Tyr-223残基进行自磷酸化反应从而具备生理活性活化的BTK能通过其SH2结构域与衔接蛋白BLNK/SLP65结合,生成的复合物随后活化磷脂酶C-γ2(PLC-γ2),进而引发级联反应最终导致细胞内持续的钙离子内流,并间接激活下游信号通路,如MEK/ERK、p38MAPK、NK/SAPK通路。BTK功能获得型突变也已在大肠癌、急性淋巴细胞白血病(ALL)、慢性粒细胞白血病(CML)中得到确证。因此,BTK依赖型通路的异常激活被证明与多种肿瘤的发生发展密切相关。
BTK小分子抑制剂对于治疗血液恶性肿瘤和自身免疫失调疾病具有良好前景。依鲁替尼(ibrutinib)是当前最引人注目的BTK靶向抑制剂,在临床前和临床研究中对多种B细胞肿瘤以及自身免疫疾病均有显著的治疗效果,已被美国FDA批准上市,用于治疗套细胞淋巴瘤(MCL)和CLL。其他多个化合物,如CC-292和ONO-4059,也已进入临床研究阶段或者临床后期研究阶段。
本领域仍然需要开发活性高、特异性强的BTK抑制剂。
发明内容
本发明的目的在于提供活性高、特异性强的BTK抑制剂及其在制备治疗BTK介导疾病的药物中的应用。
在第一方面,本发明提供式I所示化合物或其盐在制备BTK抑制剂或制备治疗或预防BTK介导的疾病的药物中的用途:
式中,
R为氢、C1-C3低级烷基、C1-C3低级烷氧基、卤素(例如,F、Cl、Br)、氨基、取代的氨基;
B选自下组:任选取代的(C3-C8)环烷基、(C3-C8)杂环基、(C6-C10)芳基或(C5-C10)芳杂环基;
R2各自独立选自以下基团:
R3选自下组:氢、任选取代的C1-C10烷基、C2-C6链烯基、C2-C6炔基、任选取代的C3-C8环烷基、任选取代的C1-C10烷氧基、任选取代的芳基、任选取代的苄基、任选取代的杂环基、任选取代的芳杂环基、-O-(CH)n-O-C1-C3烷基;
n为1-3的整数,优选1。
在具体的实施方式中,B选自:
在具体的实施方式中,所述化合物如下式I-1所示:
式中,A为苯环、五元或六元杂环、C3-C8环烷基或R’;
当A为R’时,R1不存在,R’选自C1-C6烷基、C1-C6卤代烷基或(C6-C10)芳基甲酰基;
R1各自独立选自氢、卤素、C1-C3烷氧基、C1-C3烷基、C1-C4烷基酰胺基、取代的哌嗪基、取代的高哌嗪基、取代的吗啉基、取代的硫代吗啉基、4-N-甲基哌嗪基、4-N-乙酰基哌嗪基、4-N,N-二甲基哌啶基、取代的哌啶基、-NRaRb,其中,Ra和Rb可独立选自烷基和含氮烷基;
m为0-7,优选1-7的任一整数;
B、R2、Z1和Z2如上文所限定。
在具体的实施方式中,所述化合物如下式II-1或II-2所示:
式中,B、R1、R2、R3如上文所限定;
m为0-5,优选1-5的整数。
在具体的实施方式中,所述化合物如下式III-1或III-2所示:
式中,
R3选自H;C1-C6烷基,优选甲基或异丙基;苯基取代的C1-C6烷基;任选取代的苯氧基苯基;或任选取代的苄基;
R4、R5、R6、R7和R8独立选自下组:
在具体的实施方式中,式中,
R3选自H或C1-C6烷基(优选甲基或丙基或异丙基);
R4为H、C1-C3烷氧基(优选甲氧基);
R5为H、C1-C3烷基(优选甲基)或C1-C3烷氧基(优选甲氧基);
R7和R8为H。
在第二方面,本发明提供选自下组的具体化合物或其药学上可接受的盐在制备BTK抑制剂或制备治疗或预防BTK介导的疾病的药物中的用途:
在具体的实施方式中,所述BTK介导的疾病为癌症或自身免疫疾病。
在具体的实施方式中,所述癌症包括血液恶性肿瘤或实体瘤,例如:急性淋巴细胞白血病(ALL)、慢性粒细胞白血病(CML)、套细胞淋巴瘤(MCL)、大肠癌;所述自身免疫疾病包括类风湿关节炎、抗器官移植排异、抗牛皮癣或红斑狼疮。
在第三方面,本发明提供治疗或预防BTK介导的疾病方法,包括将本发明第一或第二方面所述的化合物或包含所述化合物的药物组合物给予有此需要的对象。
在第四方面,本发明提供式I所示化合物或其盐:
式中,
R、B、R2、Z1和Z2如上文所定义的,
其中,
R为氢、C1-C3低级烷基、C1-C3低级烷氧基、卤素(例如,F、Cl、Br)、氨基或NRcRd,并且Rc、Rd独立选自H、C1-C6烷基、C1-C6卤代烷基或(C6-C10)芳基甲酰基;
和/或
R3选自下组:氢、(C3-C6)环烷基、(C1-C8)杂环基、(C1-C8)烷氧基、-O-(CH)n-O-C1-C3烷基、苄基、(C6-C10)芳基或(C5-C10)芳杂环基,其中所述的芳基和芳杂环基可任选地用一个至五个以下基团取代:卤素、硝基、氰基、羟基、氨基、(C1-C8)烷基、(C1-C8)烷氧基、(C3-C6)环烷基、(C6-C10)芳氧基、(C5-C10)杂环基、-O-(CH)n-O-C1-C3烷基、C3-C6环烷基氧基、C3-C6杂环烷基氧基、酰胺基、任选取代的氨基甲酰基,n为1-3的整数,优选1;
和/或
R2选自下组:
在优选的实施方式中,
R为氢、C1-C3低级烷基、C1-C3低级烷氧基、卤素(例如,F、Cl、Br)、氨基或NRcRd,并且Rc、Rd独立选自H、C1-C6烷基、C1-C6卤代烷基或(C6-C10)芳基甲酰基;
R3选自下组:氢、(C3-C6)环烷基、(C1-C8)杂环基、(C1-C8)烷氧基、-O-(CH)n-O-C1-C3烷基、苄基、(C6-C10)芳基或(C5-C10)芳杂环基,其中所述的芳基和芳杂环基可任选地用一个至五个以下基团取代:卤素、硝基、氰基、羟基、氨基、(C1-C8)烷基、(C1-C8)烷氧基、(C3-C6)环烷基、(C6-C10)芳氧基、(C5-C10)杂环基、-O-(CH)n-O-C1-C3烷基、C3-C6环烷基氧基、C3-C6杂环烷基氧基、酰胺基、任选取代的氨基甲酰基,n为1-3的整数,优选1;
或者
R为氢、C1-C3低级烷基、C1-C3低级烷氧基、卤素(例如,F、Cl、Br)、氨基或NRcRd,并且Rc、Rd独立选自H、C1-C6烷基、C1-C6卤代烷基或(C6-C10)芳基甲酰基;
R2选自下组:
或者
R3选自下组:氢、(C3-C6)环烷基、(C1-C8)杂环基、(C1-C8)烷氧基、-O-(CH)n-O-C1-C3烷基、苄基、(C6-C10)芳基或(C5-C10)芳杂环基,其中所述的芳基和芳杂环基可任选地用一个至五个以下基团取代:卤素、硝基、氰基、羟基、氨基、(C1-C8)烷基、(C1-C8)烷氧基、(C3-C6)环烷基、(C6-C10)芳氧基、(C5-C10)杂环基、-O-(CH)n-O-C1-C3烷基、C3-C6环烷基氧基、C3-C6杂环烷基氧基、酰胺基、任选取代的氨基甲酰基,n为1-3的整数,优选1;
R2选自下组:
在具体的实施方式中,所述化合物如式I-1所示:
式中,A为R’;
R1不存在;
R’为C1-C6烷基、C1-C6卤代烷基、或(C6-C10)芳基甲酰基;
B、R2、Z1和Z2如上文定义的。
在具体的实施方式中,R’为C1-C3烷基、C1-C3卤代烷基。
在具体的实施方式中,R3选自下组:
应理解,在本发明范围内中,本发明的上述各技术特征和在下文(如实施例)中具体描述的各技术特征之间都可以互相组合,从而构成新的或优选的技术方案。限于篇幅,在此不再一一累述。
具体实施方式
发明人经过广泛而深入的研究,出乎意料地发现一批结构全新的化合物,这些衍生物能够高活性、高选择性地抑制BTK,其中一些化合物的BTK抑制活性的IC50值达到nM级别。在此基础上完成了本发明。
本发明人合成了具有BTK抑制活性的一系列候选化合物。通过对得到的候选化合物进行结构优化设计,发现了一批新型具有潜在BTK抑制活性的嘧啶并嘧啶类杂环化合物。对得到的化合物进行了分子水平活性评价,多个化合物对BTK抑制活性IC50值达到nM级别。
术语定义
本发明涉及的基团具有本领域常规理解的含义。本文中涉及到的一些基团定义如下:
本文中,“烷基”指碳链长度为1-10个碳原子的饱和的支链或直链烷基,优选的烷基包括长2-8个、1-6个、1-4个、3-8个、1-3个碳原子不等的烷基。烷基的例子包括但不限于:甲基、乙基、正丙基、异丙基、正丁基、异丁基、庚基等。烷基可以被1个或多个取代基取代,例如被卤素或卤代烷基取代。例如,烷基可以是被1-4个氟原子取代的烷基,或者烷基可以是被氟代烷基取代的烷基。本文所述的烷基也可以被芳基取代,从而形成,例如苄基。
类似地,本文中的“环烷基”是指碳链长度为3-10个,优选3-8个碳原子的取代或未取代的饱和环状烷基,例如环丙基、环丁基、环戊基、环己基、环庚基等等。
本文中,“烷氧基”指被烷基取代的氧基。优选的烷氧基是长1-6个碳原子的烷氧基,更优选为长1-4个碳原子的烷氧基,更优选为长1-3个碳原子的烷氧基。烷氧基的例子包括但不限于:甲氧基、乙氧基、丙氧基等。烷氧基可以被1个或多个取代基取代,例如被卤素或卤代烷基取代。例如,烷氧基可以是被1-4个氟原子取代的烷基,或者烷基可以是被氟代烷基取代的烷基。
本文中,“链烯基”通常表示具有至少一个双键的单价烃基,通常含有2-8个碳原子,优选含有2-6个碳原子,可以是直链或支链。链烯基的例子包括但不限于乙烯基、丙烯基、异丙烯基、丁烯基、异丁烯基、己烯基等等。
本文中,“炔基”通常表示具有至少一个三键的单价烃基,通常含有2-8个碳原子,优选含有2-6个碳原子,更通常含有2-4个碳原子,可以是直链或支链。链烯基的例子包括乙炔基、丙炔基、异丙炔基、丁炔基、异丁炔基、己炔基等。
本文中,“卤素”指氟、氯、溴或碘。
本文中,“芳基”指含有6到14个碳原子的单环、双环或三环芳族基团,包括苯基、萘基、菲基、蒽基、茚基、茀基、四氢化萘基、二氢化茚基等。芳基可任选地被1-5个(例如,1、2、3、4或5个)选自以下的取代基取代:卤素、C1-4醛基、C1-6烷基、氰基、硝基、氨基、羟基、羟甲基、卤素取代的烷基(例如三氟甲基)、卤素取代的烷氧基(例如三氟甲氧基)、羧基、C1-4烷氧基、乙氧甲酰基、N(CH3)和C1-4酰基等、杂环基或杂芳基等。
本文所用“杂环基”包括但不限于含有1-3个选自O、S或N的杂原子的5元或6元杂环基团,包括但不限于呋喃基、噻吩基、吡咯基、吡咯烷基、吡唑基、咪唑基、三唑基、噁唑基、吡喃基、吡啶基、嘧啶基、吡嗪基、哌啶基、吗啉基等。
本文所用“芳杂环基”是指含有5-14个环原子,并且有6个、10个或14个电子在环体系上共用。而且所含环原子是碳原子和从氧、氮、硫中任选的1-3个杂原子。有用的芳杂环基包括哌嗪基、吗啉基、哌啶基、吡咯烷基、噻吩基、呋喃基、吡喃基、吡咯基、咪唑基、吡唑基、吡啶基、包括但不限制于2-吡啶基、3-吡啶基和4-吡啶基、吡嗪基、嘧啶基等。
芳杂环基可任选地被1-5个(例如,1、2、3、4或5个)选自以下的取代基取代:卤素、C1-4醛基、C1-6直链或支链烷基、氰基、硝基、氨基、羟基、羟甲基、卤素取代的烷基(例如三氟甲基)、卤素取代的烷氧基(例如三氟甲氧基)、羧基、C1-4烷氧基、乙氧甲酰基、N(CH3)和C1-4酰基。
本文中,“酰氧基”指结构式为“-O-C(O)-R”的基团,其中,R可选自烷基、链烯基(例如,C1-6或C1-3链烯基)和炔基。所述R可任选地被取代。
本文中,“酰氨基”指结构式为“-R’-NH-C(O)-R”的基团,其中,R’可选自氢或烷基,R可选自烷基、链烯基(例如,C1-6或C1-3链烯基)、炔基、被NRcRd取代的烷基、被NRcRd取代的链烯基和NRcRd取代的炔基、被卤素取代的烷基、被氰基取代的链烯基,其中,Rc和Rd可选自烷基和链烯基。
本文所用的“芳基甲酰基”是指芳基,例如(C6-C10)芳基与甲酰基形成的,并通过甲酰基与化合物的主体结构相连的基团。
本文中,“任选取代的”指其所修饰的取代基可任选地被1-5个(例如,1、2、3、4或5个)选自以下的取代基取代:卤素、C1-4醛基、C1-6直链或支链烷基、氰基、硝基、氨基、羟基、羟甲基、卤素取代的烷基(例如三氟甲基)、卤素取代的烷氧基(例如三氟甲氧基)、羧基、C1-4烷氧基、乙氧甲酰基、N(CH3)和C1-4酰基。
本发明的化合物及其应用
为本发明的目的,本发明提供以下式I所示化合物或其盐,从而能够制备BTK抑制剂或制备治疗或预防BTK介导的疾病的药物:
式中,
R为氢、C1-C3低级烷基、C1-C3低级烷氧基、卤素(例如,F、Cl、Br)、氨基、取代的氨基;
B选自下组:任选取代的(C3-C8)环烷基、(C3-C8)杂环基、(C6-C10)芳基或(C5-C10)芳杂环基;
R2各自独立选自以下基团:
R3选自下组:氢、任选取代的C1-C10烷基、C2-C6链烯基、C2-C6炔基、任选取代的C3-C8环烷基、任选取代的C1-C10烷氧基、任选取代的芳基、任选取代的苄基、任选取代的杂环基、任选取代的芳杂环基、-O-(CH)n-O-C1-C3烷基;
n为1-3的整数,优选1。
在具体的实施方式中,B可以选自:
进一步地,本发明的化合物可以如下式I-1所示:
式中,A为苯环、五元或六元杂环、C3-C8环烷基或R’;
当A为R’时,R1不存在,R’选自C1-C6烷基、C1-C6卤代烷基或(C6-C10)芳基甲酰基;
R1各自独立选自氢、卤素、C1-C3烷氧基、C1-C3烷基、C1-C4烷基酰胺基、取代的哌嗪基、取代的高哌嗪基、取代的吗啉基、取代的硫代吗啉基、4-N-甲基哌嗪基、4-N-乙酰基哌嗪基、4-N,N-二甲基哌啶基、取代的哌啶基、-NRaRb,其中,Ra和Rb可独立选自烷基和含氮烷基;
m为0-7,优选1-7的任一整数;
B、R2、Z1和Z2如上文所限定。
再进一步地,本发明的化合物可以如下式II-1或II-2所示:
式中,B、R1、R2、R3如上文所限定;
m为0-5,优选1-5的整数。
再进一步,本发明的化合物可以如下式III-1或III-2所示:
式中,
R3选自H;C1-C6烷基,优选甲基或异丙基;苯基取代的C1-C6烷基;任选取代的苯氧基苯基;或任选取代的苄基;
R4、R5、R6、R7和R8独立选自下组:
或者,
R3选自H或C1-C6烷基(优选甲基或丙基或异丙基);
R4为H、C1-C3烷氧基(优选甲氧基);
R5为H、C1-C3烷基(优选甲基)或C1-C3烷氧基(优选甲氧基);
R7和R8为H。
在具体的实施方式中,本发明提供选自下组的化合物或其药学上可接受的盐在制备BTK抑制剂或制备治疗或预防BTK介导的疾病的药物中的用途:
上表显示在本发明化合物的结构及其BTK抑制活性,其中:
活性指定为“A”的化合物的IC50≤10nM;
活性指定为“B”的化合物的IC50为10<IC50≤100nM;
活性指定为“C”的化合物的IC50为100<IC50≤1000nM;
活性指定为“D”的化合物的IC50为1000nM<IC50。
在本发明化合物能够具备BTK抑制活性的基础上,本发明提供一种用于抑制BTK的药物组合物,该组合物含有治疗有效量的本发明的化合物或其药学上可接受的盐,以及药学上可接受的载体或赋形剂。
本发明化合物的药学上可接受的盐的例子包括但不限于无机和有机酸盐,例如盐酸盐、氢溴酸盐、硫酸盐、柠檬酸盐、乳酸盐、酒石酸盐、马来酸盐、富马酸盐、扁桃酸盐和草酸盐;以及与碱例如钠羟基、三(羟基甲基)胺基甲烷(TRIS,胺丁三醇)和N-甲基葡糖胺形成的无机和有机碱盐。
虽然每个人的需求各不相同,本领域技术人员可确定本发明药物组合物中每种活性成分的最佳剂量。一般情况下,本发明的化合物或其药学上可接受的盐,对哺乳动物每天口服给药,药量按照约0.0025到50毫克/公斤体重。但最好是每公斤口服给药约0.01到10毫克。例如,单位口服剂量可以包括约0.01到50毫克,最好是约0.1到10毫克的本发明化合物。单位剂量可给予一次或多次,每天为一片或多片,每片含有约0.1到50毫克,合宜地约0.25到10毫克的本发明化合物或其溶剂化物。
本发明的药物组合物可被配制成适合各种给药途径的制剂形式,包括但不限于被配制成用于肠外,皮下,静脉,肌肉,腹腔内,透皮,口腔,鞘内,颅内,鼻腔或外用途径给药的形式,用于治疗肿瘤和其他疾病。给药量是有效地改善或消除一个或多个病症的药量。对于特定疾病的治疗,有效量是足以改善或以某些方式减轻与疾病有关的症状的药量。这样的药量可作为单一剂量施用,或者可依据有效的治疗方案给药。给药量也许可治愈疾病,但是给药通常是为了改善疾病的症状。一般需要反复给药来实现所需的症状改善。药的剂量将根据病人的年龄,健康与体重,并行治疗的种类,治疗的频率,以及所需治疗效益来决定。
本发明的药物制剂可以给予任何哺乳动物,只要他们能获得本发明化合物的治疗效果。在这些哺乳动物中最为重要的是人类。
本发明的化合物或其药物组合物可用于治疗各种由BTK介导的疾病。在本文中,所述BTK介导的疾病为癌症或自身免疫疾病;其中,所述癌症包括血液恶性肿瘤或实体瘤,例如:急性淋巴细胞白血病(ALL)、慢性粒细胞白血病(CML)、套细胞淋巴瘤(MCL)、大肠癌;所述自身免疫疾病包括类风湿关节炎、抗器官移植排异、抗牛皮癣或红斑狼疮。
本发明的药物制剂可用已知的方式制造。例如,由传统的混合,制粒,制锭,溶解,或冷冻干燥过程制造。制造口服制剂时,可结合固体辅料和活性化合物,选择性研磨混合物。如果需要或必要时加入适量助剂后,加工颗粒混合物,获得片剂或锭剂芯。
合适的辅料特别是填料,例如糖类如乳糖或蔗糖,甘露醇或山梨醇;纤维素制剂或钙磷酸盐,例如磷酸三钙或磷酸氢钙;以及粘结剂,例如淀粉糊,包括玉米淀粉,小麦淀粉,大米淀粉,马铃薯淀粉,明胶,黄芪胶,甲基纤维素,羟丙基甲基纤维素,羧甲基纤维素钠,或聚乙烯吡咯烷酮。如果需要,可增加崩解剂,比如上面提到的淀粉,以及羧甲基淀粉,交联聚乙烯吡咯烷酮,琼脂,或褐藻酸或其盐,如海藻酸钠。辅助剂特别是流动调节剂和润滑剂,例如,硅石,滑石,硬脂酸盐类,如镁硬脂酸钙,硬脂酸或聚乙二醇。如果需要,可以給锭剂核芯提供可以抵抗胃液的合适包衣。为此,可以应用浓缩糖类溶液。这个溶液可以含有阿拉伯树胶,滑石,聚乙烯吡咯烷酮,聚乙二醇和/或二氧化钛,漆溶液和合适的有机溶剂或溶剂混合物。为了制备耐胃液的包衣,可使用适当的纤维素溶液,例如醋酸纤维素邻苯二甲酸或羟丙基甲基纤维素邻苯二甲酸。可向药片或锭剂核芯的包衣加入染料或色素。例如,用于识别或为了表征活性成分剂量的组合。
基于上述化合物和药物组合物,本发明进一步提供治疗或预防BTK介导的疾病的方法,该方法包括给予有此需要的对象以本发明的化合物或药物组合物。给药方法包括但不限于本领域周知的各种给药方法,可根据患者的实际情况加以确定。这些方法包括但不限于肠外、皮下、静脉、肌肉、腹腔内、透皮、口腔、鞘内、颅内、鼻腔或外用途径给药。
在具体的实施方式中,本发明提供了结构全新的式I所示化合物或其盐:
式中,
R、B、R2、Z1和Z2如上文定义,
其中,
R为氢、C1-C3低级烷基、C1-C3低级烷氧基、卤素(例如,F、Cl、Br)、氨基或NRcRd,并且Rc、Rd独立选自H、C1-C6烷基、C1-C6卤代烷基或(C6-C10)芳基甲酰基;
和/或
R3选自下组:氢、(C3-C6)环烷基、(C1-C8)杂环基、(C1-C8)烷氧基、-O-(CH)n-O-C1-C3烷基、苄基、(C6-C10)芳基或(C5-C10)芳杂环基,其中所述的芳基和芳杂环基可任选地用一个至五个以下基团取代:卤素、硝基、氰基、羟基、氨基、(C1-C8)烷基、(C1-C8)烷氧基、(C3-C6)环烷基、(C6-C10)芳氧基、(C5-C10)杂环基、-O-(CH)n-O-C1-C3烷基、C3-C6环烷基氧基、C3-C6杂环烷基氧基、酰胺基、任选取代的氨基甲酰基,n为1-3的整数,优选1;
和/或
R2选自下组:
在优选的实施方式中,上述R、R2和R3可以任意组合。例如,可以是以下组合:
R为氢、C1-C3低级烷基、C1-C3低级烷氧基、卤素(例如,F、Cl、Br)、氨基或NRcRd,并且Rc、Rd独立选自H、C1-C6烷基、C1-C6卤代烷基或(C6-C10)芳基甲酰基;
R3选自下组:氢、(C3-C6)环烷基、(C1-C8)杂环基、(C1-C8)烷氧基、-O-(CH)n-O-C1-C3烷基、苄基、(C6-C10)芳基或(C5-C10)芳杂环基,其中所述的芳基和芳杂环基可任选地用一个至五个以下基团取代:卤素、硝基、氰基、羟基、氨基、(C1-C8)烷基、(C1-C8)烷氧基、(C3-C6)环烷基、(C6-C10)芳氧基、(C5-C10)杂环基、-O-(CH)n-O-C1-C3烷基、C3-C6环烷基氧基、C3-C6杂环烷基氧基、酰胺基、任选取代的氨基甲酰基,n为1-3的整数,优选1;
或者
R为氢、C1-C3低级烷基、C1-C3低级烷氧基、卤素(例如,F、Cl、Br)、氨基或NRcRd,并且Rc、Rd独立选自H、C1-C6烷基、C1-C6卤代烷基或(C6-C10)芳基甲酰基;
R2选自下组:
或者
R3选自下组:氢、(C3-C6)环烷基、(C1-C8)杂环基、(C1-C8)烷氧基、-O-(CH)n-O-C1-C3烷基、苄基、(C6-C10)芳基或(C5-C10)芳杂环基,其中所述的芳基和芳杂环基可任选地用一个至五个以下基团取代:卤素、硝基、氰基、羟基、氨基、(C1-C8)烷基、(C1-C8)烷氧基、(C3-C6)环烷基、(C6-C10)芳氧基、(C5-C10)杂环基、-O-(CH)n-O-C1-C3烷基、C3-C6环烷基氧基、C3-C6杂环烷基氧基、酰胺基、任选取代的氨基甲酰基,n为1-3的整数,优选1;
R2选自下组:
在具体的实施方式中,本发明的结构全新的化合物如式I-1所示:
式中,A为R’;R1不存在;R’为C1-C6烷基、C1-C6卤代烷基、或(C6-C10)芳基甲酰基;B、R2、Z1和Z2如上文定义。
进一步地,R’可以为C1-C3烷基、C1-C3卤代烷基。
在优选的实施方式中,R3可以选自下组:
在具体的实施方式中,本发明通式中的取代基分别是本发明公开的任一具体化合物中相应的基团。
本发明的优点:
1.本发明的化合物对BTK具有优异的抑制活性;
2.本发明的化合物对BTK的选择性高;和
3.本发明的化合物为开发能高活性、高选择性地抑制BTK的药物奠定了基础,具备极大的产业化和商品化前景以及市场价值,经济效益显著。
以下结合具体实施案例对本发明的技术方案进一步描述,但以下实施案例不构成对本发明的限制,所有依据本发明的原理和技术手段采用的各种施用方法,均属于本发明范围。下列实施例中未注明具体条件的实验方法,通常按照常规条件,或按照制造厂商所建议的条件。除非另外说明,否则百分比和份数按重量计算。
材料与方法
1.BTK抑制活性检测方法
1.1BTK重组蛋白的表达
1)PfastBac1-BTK载体的构建
将BTK目的片段(M1-S695)进行PCR扩增,将PCR产物及载体PfastBac 1用BamHI和XhoI进行双酶切,酶切产物连接后转化至DH5α感受态细胞,挑选单克隆并通过测序验证,最终获得序列正确的重组质粒pFastBac1-BTK。
2)杆状病毒的获得
将构建好的质粒转座至DH10Bac感受态细胞进行蓝白斑筛选,挑取转座成功的单克隆,摇菌后提取杆粒,并通过菌液PCR鉴定杆粒。将鉴定正确的杆粒转染Sf9细胞,分别获得P1、P2及更高滴度的P3病毒株。
3)BTK蛋白表达及鉴定
培养Sf9细胞至对数期(约2×106个细胞/mL),将具有高滴度的P3病毒株加入含有对数期生长的Sf9细胞培养基中,27℃培养3天后,500×g离心5min,弃上清,收菌,于-80℃保存。然后用免疫印迹法(Western Blot)检测蛋白表达情况。
1.2BTK重组蛋白的纯化
在室温下,用1790rpm转速离心收集P3病毒株表达的菌体沉淀。溶解菌体所用裂解液为250mM NaCl,0.25%NP-40,50mM CHES(pH 9.0)。用高压细胞破碎机破碎菌体,然后在4℃,12000rpm下离心45min,收集上清。将上清加入Ni-NTA层析柱中,使用咪唑浓度梯度法洗脱目的蛋白,并收集洗脱后蛋白液。将含有目的蛋白洗脱液浓缩,并换液至咪唑浓度最低。在4℃,加入TEV酶透析并酶切16h,重新过一遍Ni-NTA层析柱,收集不含His-Tag的流过液,酶切所用缓冲液为200mM NaCl,20mM CHES(pH 9.0),1mM TCEP。最后用HiTrap Superdex75分子筛分离纯化蛋白,分子筛所用平衡缓冲液为100mM NaCl,10mM Tris-HCl pH 8.5,1mMTCEP。
1.3BTK抑制剂的分子水平筛选
BTK抑制剂分子水平筛选实验选用ThermoFisher公司的Assay Kit(PV3190)。实验方法为:将待检测的化合物进行浓度梯度稀释,在384孔板中加入2.5μLTest Compounds,每组三个平行对照,加5μL BTK Kinase/Peptide Substrate Mixture,2.5μL ATP Solution,振荡30s混匀,室温孵育1h;再加入5μL Development Solution,振荡30s混匀,室温孵育1h;然后加入5μL Stop Reagent,振荡30s混匀,使用酶标仪检测荧光信号,激发波长为400nm,发射波长分别为445nm和520nm。测定化合物在7个浓度梯度下的抑制率,通过Origin 8.0拟合曲线计算各个化合物的IC50值。
本发明的嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮类化合物的合成工艺如下所示:
试剂和条件:(a)DIPEA,CH3CN,reflux;(b)ArNH2,CH3CN,reflux;(c)NaOH,THF,reflux;(d)R3NH2,HATU,DIPEA,DMF;(e)NaH,CDI,THF,reflux;(f)trifluoroacetic acide,CH2Cl2,0℃ to r.t;(g)acyl chloride,Et3N,CH2Cl2,0℃ to r.t
上述制备流程中,R3、R4、R5参照上文相对应的基团的定义。本领域技术人员可根据实际制备需要,采用本领域常规获得的各种起始化合物为原料,制备相应的化合物。
实施例1
上述步骤a-g的具体合成方法如下:
4-((3-((叔丁氧基羰基)氨基)苯基)氨基)-2-氯嘧啶-5-甲酸乙酯的合成
称取2,4-二氯-5-硝基嘧啶(2.210g,10mmol)、DIPEA(1.290g,10mmol)于50mL单口烧瓶,加入15mL乙腈溶解。另取(3-氨基苯基)氨基甲酸叔丁酯(2.080g,10mmol)溶于10mL乙腈,滴加到上述反应液中,滴加完回流2h。TLC跟踪至原料转化,冷却至室温,抽滤,乙腈洗涤,滤饼烘干,得4-((3-((叔丁氧基羰基)氨基)苯基)氨基)-2-氯嘧啶-5-甲酸乙酯3.371g,产率86%。1H NMR(400MHz,DMSO-d6)δ10.23(s,1H),9.50(s,1H),8.80(s,1H),7.70(s,1H),7.35(d,J=8.0Hz,1H),7.29(t,J=8.0Hz,1H),7.23(d,J=8.0Hz,1H),4.38(q,J=7.2Hz,2H),1.49(s,9H),1.36(t,J=7.2Hz,3H).LC-MS:m/z:393.1(M+H)+.
4-((3-((叔丁氧基羰基)氨基)苯基)氨基)-2-(苯基氨基)嘧啶-5-甲酸乙酯的合成
称取4-((3-((叔丁氧基羰基)氨基)苯基)氨基)-2-氯嘧啶-5-甲酸乙酯(1.960g,5mmol)、苯胺(0.558g,6mmol)于100mL单口烧瓶,加入40mL乙腈溶解,升温回流3h。TLC跟踪原料转化,冷却至室温,抽滤,水洗,滤饼烘干,得4-((3-((叔丁氧基羰基)氨基)苯基)氨基)-2-(苯基氨基)嘧啶-5-甲酸乙酯1.930g,产率86%。1H NMR(400MHz,CDCl3)δ10.46(s,1H),8.76(s,1H),7.57(d,J=8.0Hz,2H),7.36(t,J=7.6Hz,3H),7.23(d,J=8.0Hz,1H),7.16(t,J=7.2Hz,1H),7.04(d,J=7.6Hz,1H),6.36(s,1H),4.37(q,J=7.2Hz,2H),1.54(s,9H),1.41(t,J=7.2Hz,3H).LC-MS:m/z:450.4(M+H)+.
4-((3-((叔丁氧基羰基)氨基)苯基)氨基)-2-(苯基氨基)嘧啶-5-甲酸的合成
称取4-((3-((叔丁氧基羰基)氨基)苯基)氨基)-2-(苯基氨基)嘧啶-5-甲酸乙酯(1.796g,4mmol)于100mL单口烧瓶,加入30mL四氢呋喃溶解,滴加1M NaOH溶液10mL,升温至50℃,搅拌3h。TLC跟踪至原料转化,冷却至室温,加入稀盐酸调节pH至酸性,抽滤,水洗,滤饼烘干,得4-((3-((叔丁氧基羰基)氨基)苯基)氨基)-2-(苯基氨基)嘧啶-5-甲酸1.499g,产率89%。1H NMR(400MHz,DMSO-d6)δ10.44(s,1H),9.82(s,1H),9.36(s,1H),8.70(s,1H),7.69(d,J=8.0Hz,2H),7.63(s,1H),7.43(s,1H),7.26-7.21(m,4H),6.98(t,J=6.8Hz,1H),1.47(s,9H).HRMS(ESI):计算值C22H24N5O4(M+H)+422.1828,实验值422.1823.
3-(5-(甲基氨基甲酰基-2-(苯基氨基)嘧啶-4-氨基)苯基)氨基甲酸叔丁酯的合成
称取4-((3-((叔丁氧基羰基)氨基)苯基)氨基)-2-(苯基氨基)嘧啶-5-甲酸(1.263g,3mmol)、DIPEA(0.774g,6mmol)于50mL烧瓶,加入10mL无水DMF溶解。另取HATU(1.368g,3.6mmol),分批加入上述反应液中,室温搅拌1h。加入甲胺盐酸盐(0.396g,6mmol),室温搅拌过夜。TLC跟踪原料转化,加入冰水,抽滤,水洗,得3-(5-(甲基氨基甲酰基-2-(苯基氨基)嘧啶-4-氨基)苯基)氨基甲酸叔丁酯0.612g,产率47%。1H NMR(400MHz,DMSO-d6)δ11.33(s,1H),9.59(s,1H),9.31(s,1H),8.64(s,1H),8.50(d,J=4.8Hz,1H),7.68(d,J=7.8Hz,2H),7.62(s,1H),7.49(br,1H),7.23(t,J=7.8Hz,2H),7.19(d,J=8.0Hz,1H),7.15(d,J=8.0Hz,1H),6.96(t,J=7.2Hz,1H),2.79(d,J=4.4Hz,3H),1.47(s,9H).LC-MS:m/z:435.2(M+H)+.
(3-(3-甲基-2,4-二氧代-7-(苯基氨基)-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H)-基)苯基)氨基甲酸叔丁酯
称取3-(5-(甲基氨基甲酰基-2-(苯基氨基)嘧啶-4-氨基)苯基)氨基甲酸叔丁酯(0.434g,1mmol)、K2CO3(0.276g,2mmol)于25mL烧瓶,加入5mL无水四氢呋喃溶解,升温回流过夜。TLC跟踪原料转化,冷却至室温,加入冰水,EA萃取,收集有机层,旋转蒸发除去溶剂,粗产品经硅胶柱层析分离(EA/PE=2:1,v/v),得193mg,产率42%。1H NMR(400MHz,DMSO-d6)δ9.62(s,1H),8.92(s,1H),7.66(s,1H),7.52(d,J=8.0Hz,1H),7.45(t,J=8.0Hz,1H),7.36-7.32(m,2H),7.02(d,J=8.0Hz,3H),6.90(d,J=7.6Hz,1H),3.29(s,3H),1.45(s,9H).HRMS(ESI):计算值C24H25N6O4(M+H)+461.1937,实验值461.1939.
1-(3-氨基苯基)-3-甲基-7-(苯基氨基)嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮的合成
称取(3-(3-甲基-2,4-二氧代-7-(苯基氨基)-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H)-基)苯基)氨基甲酸叔丁酯(0.193g,0.42mmol)于50mL烧瓶,加入5mL二氯甲烷溶解,慢慢滴加1mL三氟乙酸,室温搅拌过夜。TLC跟踪原料转化,加入饱和NaHCO3溶液中和,二氯甲烷萃取,收集有机层,旋转蒸发除去溶剂,得1-(3-氨基苯基)-3-甲基-7-(苯基氨基)嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮0.136g,产率90%,产物未经纯化直接用于下步反应。
N-(3-(3-甲基-2,4-二氧代-7-(苯基氨基)-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H)-基)苯基)丙烯酰胺的合成(序号1)
称取1-(3-氨基苯基)-3-甲基-7-(苯基氨基)嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮(0.136g,0.38mmol)、DIPEA(0.097g,0.76mmol)与25mL烧瓶,加入3mL二氯甲烷溶解,冰浴下搅拌15分钟。另取丙烯酰氯(0.041g,0.46mmol)溶于1mL二氯甲烷,滴加到上述反应液中,室温搅拌过夜。TLC跟踪原料转化,旋干,粗品经硅胶柱层析分离(EA/PE=1.5:1,v/v),得N-(3-(3-甲基-2,4-二氧代-7-(苯基氨基)-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H)-基)苯基)丙烯酰胺83mg,产率53%。1H NMR(400MHz,DMSO-d6)δ10.38(s,1H),8.93(s,1H),7.82(d,J=3.2Hz,1H),7.80(s,1H),7.53(t,J=8.0Hz,1H),7.33-7.29(m,2H),7.15(d,J=7.8Hz,1H),7.02-6.96(m,2H),6.89(t,J=6.0Hz,1H),6.44(dd,J=17.2Hz,J=10.4Hz,1H),6.26(dd,J=17.2Hz,J=1.6Hz,1H),5.76(dd,J=10.4Hz,J=2.0Hz,1H),3.30(s,3H).HRMS(ESI):计算值C22H19N6O3(M+H)+415.1519,实验值415.1512.
以下化合物均按照上述步骤a-g的方法合成得到:
N-(3-(7-((2-甲氧基苯基)氨基)-3-甲基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号2)
1H NMR(400MHz,DMSO-d6)δ10.34(s,1H),8.89(s,1H),8.68(s,1H),7.80(s,1H),7.76(d,J=8.0Hz,1H),7.50(t,J=8.0Hz,1H),7.41(d,J=8.0Hz,1H),7.12(d,J=7.6Hz,1H),6.95(d,J=7.6Hz,2H),6.44(dd,J=16.8Hz,J=10.0Hz,1H),6.25(dd,J=17.2Hz,J=2.0Hz,1H),5.76(dd,J=10.4Hz,J=2.0Hz,1H),3.78(s,3H),3.29(s,3H).HRMS(ESI)计算值C23H21N6O4[M+H]+445.1624,实验值445.1631。
N-(3-(7-((4-甲氧基苯基)氨基)-3-甲基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号3)
1H NMR(400MHz,DMSO-d6)δ10.37(s,1H),10.23(s,1H),8.88(s,1H),7.82(d,J=8.0Hz,1H),7.79(s,1H),7.53(t,J=8.0Hz,1H),7.22(d,J=7.6Hz,2H),7.12(d,J=8.0Hz,1H),6.56(d,J=7.6Hz,2H),6.44(dd,J=16.8Hz,J=10.0Hz,1H),6.24(dd,J=16.8Hz,J=1.6Hz,1H),5.76(dd,J=10.0Hz,J=1.6Hz,1H),3.65(s,3H),3.29(s,3H).HRMS(ESI)计算值C23H21N6O4[M+H]+445.1624,实验值445.1627。
N-(3-(7-((2-甲氧基-4-吗啉代苯基)氨基)-3-甲基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号4)
1H NMR(400MHz,DMSO-d6)δ10.36(s,1H),8.80(s,1H),8.44(s,1H),8.03(s,1H)7.85(d,J=8.0Hz,1H),7.69(t,J=2.0Hz,1H),7.52(t,J=8.4Hz,1H),7.31(d,J=8.8Hz,1H),7.09(d,J=7.6Hz,1H),6.57(d,J=2.0Hz,1H),6.45(dd,J=16.8Hz,J=10.0Hz,1H),6.26(dd,J=17.2Hz,J=2.0Hz,1H),5.77(dd,J=10.4Hz,J=2.0Hz,1H),3.77(s,3H),3.58-3.54(m,4H),3.06-2.99(m,4H),2.05(s,3H).HRMS(ESI)计算值C27H28N7O5[M+H]+528.1995,实验值528.1993。
N-(3-(7-((2-甲氧基-4-硫代吗啉代苯基)氨基)-3-甲基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号5)
H NMR(400MHz,DMSO-d6)δ10.35(s,1H),8.84(s,1H),8.60(s,1H),8.85(s,1H),7.70(s,1H),7.48(t,J=8.0Hz,1H),7.17(d,J=8.4Hz,1H),7.09(d,J=7.6Hz,1H),6.44(dd,J=17.2Hz,J=10.0Hz,1H),6.27(dd,J=16.8Hz,J=2.0Hz,1H),5.97(s,1H),5.77(dd,J=10.0Hz,J=1.6Hz,1H),3.75(s,3H),3.42-3.39(m,4H),3.28(s,3H),2.66-2.63(m,4H).HRMS(ESI)计算值C27H28N7O4S[M+H]+546.1923,实验值546.1924。
N-(3-(7-((4-(4-乙酰基-3-)-2-甲氧基苯基)氨基)-3-甲基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号6)
1H NMR(400MHz,DMSO-d6)δ10.34(s,1H),8.83(s,1H),8.59(s,1H),7.86(s,1H)7.69(s,1H),7.48(t,J=8.4Hz,1H),7.17(d,J=8.8Hz,1H),7.09(d,J=8.0Hz,1H),6.55(s,1H),6.44(dd,J=17.2Hz,J=10.4Hz,1H),6.26(dd,J=17.2Hz,J=1.6Hz,1H),5.99(s,1H),5.76(dd,J=10.0Hz,J=1.2Hz,1H),3.76(s,3H),3.58-3.54(m,4H),3.28(s,3H),3.05-2.99(m,4H),2.05(s,3H).HRMS(ESI)计算值C29H31N8O5[M+H]+571.2417,实验值571.2417。
N-(3-(7-((4-(4-(二甲氨基)哌啶)-2-甲氧基苯基)氨基)-3-甲基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号7)
1H NMR(400MHz,DMSO-d6)δ10.36(s,1H),8.83(s,1H),8.54(s,1H),7.88-7.86(m,1H),7.70(s,1H),7.47(t,J=8.0Hz,1H),7.16(d,J=8.4Hz,1H),7.08(d,J=8.0Hz,1H),6.50-6.43(m,2H),6.26(dd,J=16.8Hz,J=1.6Hz,1H),5.98(s,1H),5.76(dd,J=10.0Hz,J=1.2Hz,1H),3.75(s,3H),3.59-3.58(m,2H),3.28(s,3H),2.60-2.55(m,2H),2.22(s,6H),1.82-1.79(m,2H),1.47-1.40(m,2H).HRMS(ESI)计算值C30H35N8O4[M+H]+571.2781,实验值571.2780。
N-(3-(7-((4-(4-(二甲氨基)哌啶)-2-甲氧基苯基)氨基)-3-乙基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号8)
1H NMR(400MHz,DMSO-d6)δ10.64(s,1H),10.56(s,1H),8.84(s,1H),8.62(s,1H),7.92-7.90(m,1H),7.71(s,1H),7.48(t,J=8.0Hz,1H),7.17(d,J=6.8Hz,1H),7.10(d,J=7.2Hz,1H),6.55-6.49(m,2H),6.28(dd,J=16.8Hz,J=1.6Hz,1H),6.00(s,1H),5.78(dd,J=11.2Hz,J=1.2Hz,1H),3.94(q,J=6.4Hz,2H),3.76(s,3H),3.72-3.68(m,2H),2.73(s,6H),2.60(t,J=8.0Hz,1H),2.63-2.58(m,2H),2.09(d,J=11.2Hz,2H),1.72-1.68(m,2H),1.18(t,J=6.4Hz,3H).HRMS(ESI)(m/z):(M+H)+calcd forC31H37N8O4585.2938,found,585.2928.
N-(3-(7-((4-(4-(二甲氨基)哌啶)-2-甲氧基苯基)氨基)-3-丙基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号9)
1H NMR(400MHz,DMSO-d6)δ10.54(s,1H),8.84(s,1H),8.63(s,1H),7.92(s,1H),7.69(s,1H),7.49(t,J=8.0Hz,1H),7.19(d,J=6.8Hz,1H),7.10(d,J=7.8Hz,1H),6.54-6.48(m,2H),6.28(dd,J=16.8Hz,J=1.2Hz,1H),6.00(s,1H),5.78(dd,J=10.4Hz,J=1.6Hz,1H),3.86(t,J=6.8Hz,2H),3.76(s,3H),3.72-3.69(m,2H),3.26-3.21(m,1H),2.72(s,6H),2.62-2.57(m,2H),2.07(d,J=11.2Hz,2H),1.70-1.67(m,2H),1.65-1.60(m,2H),0.90(t,J=7.2Hz,3H).HRMS(ESI)(m/z):(M+H)+calcd for C32H39N8O4 599.3094,found,599.3099.
N-(3-(7-((4-(4-(二甲氨基)哌啶)-2-甲氧基苯基)氨基)-3-异丙基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号10)
H NMR(400MHz,DMSO-d6)δ10.55(s,1H),8.83(s,1H),8.60(s,1H),7.91(s,1H),7.69(s,1H),7.48(t,J=8.0Hz,1H),7.19(d,J=5.6Hz,1H),7.10(d,J=7.6Hz,1H),6.55-6.48(m,2H),6.28(dd,J=17.2Hz,J=1.6Hz,1H),6.00(s,1H),5.78(dd,J=10.0Hz,J=1.6Hz,1H),5.17-5.10(m,1H),3.76(s,3H),3.72-3.68(m,2H),3.26-3.20(m,1H),2.72(s,6H),2.63-2.59(m,2H),2.07(d,J=10.8Hz,2H),1.70-1.67(m,2H),1.44(d,J=6.8Hz,6H).HRMS(ESI)(m/z):(M+H)+calcd forC32H39N8O4599.3094,found,599.3079.
N-(3-(3-苄基-7-((4-(4-(二甲氨基)哌啶)-2-甲氧基苯基)氨基)-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号11)
1H NMR(400MHz,DMSO-d6)δ10.54(s,1H),8.87(s,1H),8.69(s,1H),7.91(s,1H),7.69(s,1H),7.48(t,J=8.0Hz,1H),7.38(d,J=7.2Hz,2H),7.33(t,J=7.2Hz,2H),7.26(t,J=7.2Hz,1H),7.19(d,J=8.0Hz,1H),7.11(d,J=6.8Hz,1H),6.54-6.47(m,2H),6.27(dd,J=16.8Hz,J=1.6Hz,1H),6.01-5.99(m,1H),5.77(dd,J=10.0Hz,J=1.6Hz,1H),5.10(s,2H),3.76(s,3H),3.72-3.69(m,2H),3.27-3.21(m,1H),2.73(s,6H),2.62-2.57(m,2H),2.08(d,J=11.2Hz,2H),1.71-1.68(m,2H).HRMS(ESI)(m/z):(M+H)+calcdforC36H39N8O4647.3094,found,647.3088.
N-(3-(7-((4-(4-(二甲氨基)哌啶)-2-甲氧基苯基)氨基)-2,4-二氧代-3-苯乙基-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号12)
1H NMR(400MHz,DMSO-d6)δ10.58(s,1H),8.85(s,1H),8.67(s,1H),7.91(s,1H),7.72(s,1H),7.49(t,J=8.0Hz,1H),7.32(t,J=7.6Hz,2H),7.26-7.23(m,3H),7.19(d,J=12.8Hz,1H),7.07(d,J=6.8Hz,1H),6.56-6.49(m,2H),6.28(dd,J=17.2Hz,J=1.6Hz,1H),6.01-5.99(m,1H),5.78(dd,J=10.4Hz,J=1.6Hz,1H),4.10-4.08(m,2H),3.77(s,3H),3.72-3.69(m,2H),3.24-3.19(m,1H),2.90(t,J=7.6Hz,2H),2.71(s,6H),2.62-2.57(m,2H),2.07(d,J=11.2Hz,2H),1.70-1.68(m,2H).HRMS(ESI)(m/z):(M+H)+calcdforC37H41N8O4661.3251,found,661.3251.
N-(3-(7-((4-(4-(二甲氨基)哌啶)-2-甲氧基苯基)氨基)-2,4-二氧代-3-(3-苯丙基)-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号13)
1H NMR(400MHz,DMSO-d6)δ10.72(s,1H),8.81(s,1H),8.60(s,1H),7.92(s,1H),7.78(s,1H),7.48(t,J=8.0Hz,1H),7.28-7.19(m,5H),7.14(t,J=7.2Hz,1H),7.07(d,J=7.2Hz,1H),6.61-6.52(m,2H),6.29(dd,J=17.2Hz,J=1.6Hz,1H),6.02(s,1H),5.78(dd,J=10.0Hz,J=1.6Hz,1H),3.94(t,J=7.2Hz,2H),3.76(s,3H),3.22-3.17(m,1H),2.69(s,6H),2.68-2.63(m,4H),2.08(d,J=10.4Hz,2H),1.94(t,J=6.8Hz,2H).HRMS(ESI)(m/z):(M+H)+calcd forC38H43N8O4675.3407,found,675.3403.
N-(3-(3-异丙基-7-((2-甲氧基-4-(4-甲基哌嗪-1-基)苯基)氨基)-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号14)
1H NMR(400MHz,DMSO-d6)δ10.64(s,1H),8.83(s,1H),8.63(s,1H),7.85(d,J=7.2Hz,1H),7.73(s,1H),7.47(t,J=8.0Hz,1H),7.20(d,J=8.4Hz,1H),7.09(d,J=7.6Hz,1H),6.56-6.51(m,2H),6.27(dd,J=17.2Hz,J=1.6Hz,1H),6.03-6.01(m,1H),5.77(dd,J=10.4Hz,J=1.2Hz,1H),5.17-5.10(m,1H),3.76(s,3H),3.29(t,J=4.0Hz,4H),3.20(t,J=4.0Hz,4H),2.75(s,3H),1.44(d,J=6.4Hz,6H).HRMS(ESI)(m/z):(M+H)+calcdforC30H35N8O4571.2781,found,571.2775.
N-(3-(3-异丙基-7-((3-甲氧基-4-(4-甲基哌嗪-1-基)苯基)氨基)-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号15)
1H NMR(400MHz,DMSO-d6)δ10.51(s,1H),10.18(s,1H),8.88(s,1H),7.89(s,1H),7.72(s,1H),7.50(t,J=8.0Hz,1H),7.13(d,J=8.0Hz,1H),6.91(s,1H),6.49(dd,J=16.8Hz,J=10.0Hz,1H),6.43-6.41(m,1H),6.27(dd,J=16.8Hz,J=1.6Hz,1H),5.77(dd,J=10.0Hz,J=1.6Hz,1H),5.18-5.11(m,1H),3.56(s,3H),3.04-3.01(m,8H),2.63(s,3H),1.44(d,J=6.8Hz,6H).HRMS(ESI)(m/z):(M+H)+calcd forC30H35N8O4571.2781,found,571.2773.
N-(3-(3-异丙基-7-((3-甲基-4-(4-甲基哌嗪-1-基)苯基)氨基)-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号16)
1H NMR(400MHz,DMSO-d6)δ10.54(s,1H),10.22(s,1H),8.88(s,1H),7.90(d,J=
7.2Hz,1H),7.74(s,1H),7.51(t,J=8.0Hz,1H),7.18(s,1H),7.13(d,J=8.0Hz,1H),7.08(d,J=6.4Hz,1H),6.69(d,J=7.6Hz,1H),6.50(dd,J=17.2Hz,J=10.4Hz,1H),6.26(dd,J=17.2Hz,J=1.6Hz,1H),5.76(dd,J=10.4Hz,J=1.6Hz,1H),5.18-5.11(m,1H),3.12(t,J=4.0Hz,4H),2.92(t,J=4.0Hz,4H),2.70(s,3H),1.97(s,3H),1.44(d,J=7.2Hz,6H).HRMS(ESI)(m/z):(M+H)+calcd forC30H35N8O3555.2832,found,555.2831.
N-(3-(7-((4-(4-(二甲氨基)乙基)(甲基)氨基)-2-甲氧基苯基)氨基)-3-异丙基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号17)
1H NMR(400MHz,CDCl3)δ8.94(s,1H),8.45(s,1H),7.95(s,1H),7.83(s,1H),7.68(d,J=8.0Hz,1H),7.46(t,J=8.0Hz,1H),7.35(d,J=8.8Hz,1H),7.04(d,J=7.6Hz,1H),6.38(dd,J=16.8Hz,J=1.6Hz,1H),6.27-6.17(m,2H),5.83(dd,J=9.6Hz,J=1.6Hz,1H),5.69(d,J=10.4Hz,1H),5.36-5.29(m,1H),3.81(s,3H),3.39(t,J=7.6Hz,2H),2.88(s,3H),2.45(t,J=7.6Hz,2H),2.32(s,6H),1.55(d,J=6.8Hz,6H).HRMS(ESI)(m/z):(M+H)+calcd forC30H37N8O4573.2938,found,573.2932.
N-(3-(7-((4-(2-(二甲氨基)乙氧基)-2-甲氧基苯基)氨基)-3-异丙基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号18)
H NMR(400MHz,DMSO-d6)δ10.39(s,1H),8.84(s,1H),8.64(s,1H),7.80(d,J=7.2Hz,1H),7.71(s,1H),7.48(t,J=8.0Hz,1H),7.22(d,J=8.0Hz,1H),7.10(d,J=6.0Hz,1H),6.52-6.42(m,2H),6.29(dd,J=17.2Hz,J=10.4Hz,1H),5.99-5.78(m,1H),5.75(dd,J=10.4Hz,J=1.6Hz,1H),5.15-5.11(m,1H),3.95(t,J=4.0Hz,4H),3.75(s,3H),2.61(t,J=4.0Hz,4H),2.22(s,6H),1.44(d,J=6.8Hz,6H).HRMS(ESI)(m/z):(M+H)+calcdforC29H34N7O5560.2621,found,560.2627.
N-(3-(3-异丙基-7-((2-甲氨基-4-(4-(4-甲基哌嗪-1基)哌啶-1-基)苯基)氨基)-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号19)
1H NMR(400MHz,DMSO-d6)δ10.57(s,1H),8.82(s,1H),8.57(s,1H),7.91(s,1H),7.70(s,1H),7.47(t,J=8.0Hz,1H),7.18(d,J=6.8Hz,1H),7.09(d,J=7.6Hz,1H),6.56-6.49(m,2H),6.27(dd,J=16.8Hz,J=1.6Hz,1H),5.99-5.97(m,1H),5.77(dd,J=10.0Hz,J=1.6Hz,1H),5.17-5.10(m,1H),3.76(s,3H),3.64-3.61(m,2H),2.96-2.75(m,6H),2.60-2.56(m,6H),1.87-1.85(m,1H),1.54-1.50(m,2H),1.44(d,J=6.8Hz,6H).HRMS(ESI)(m/z):(M+H)+calcd forC35H44N9O4654.3516,found,654.3519.
N-(3-(7-((4-(4-乙酰哌嗪基)-2-甲氧基苯基)氨基)-3-乙基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号20)
1H NMR(400MHz,DMSO-d6)δ1038(s,1H),885(s,1H),864(s,1H),788(d,J=40Hz,1H),7.69(s,1H),7.49(t,J=8.0Hz,1H),7.18(d,J=8.4Hz,1H),7.12(d,J=7.6Hz,1H),6.55(s,1H),6.46(dd,J=17.2Hz,J=10.0Hz,1H),6.27(dd,J=16.8Hz,J=1.6Hz,1H),6.00-5.97(m,1H),5.78(dd,J=10.0Hz,J=2.0Hz,1H),3.94(q,J=6.4Hz,2H),3.77(s,3H),3.58-3.54(m,4H),3.05-2.98(m,4H),2.06(s,3H),1.19(t,J=6.8Hz,3H).HRMS(ESI)计算值C30H33N8O5[M+H]+585.2574,实验值585.2572。
N-(3-(7-((4-(4-乙酰哌嗪基)-2-甲氧基苯基)氨基)-3-异丙基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H))苯基)丙烯酰胺(序号21)
H NMR(400MHz,DMSO-d6)δ10.37(s,1H),8.83(s,1H),8.61(s,1H),7.86(d,J=8.0Hz,1H),7.67(s,1H),7.48(t,J=8.0Hz,1H),7.17(d,J=7.6Hz,1H),7.10(d,J=7.6Hz,1H),6.55(s,1H),6.45(dd,J=16.8Hz,J=10.0Hz,1H),6.27(dd,J=16.8Hz,J=1.6Hz,1H),6.00-5.97(m,1H),5.78(dd,J=10.0Hz,J=2.0Hz,1H),5.15-5.11(m,1H),3.76(s,3H),3.57-3.54(m,4H),3.05-2.97(m,4H),2.05(s,3H),1.44(d,J=6.4Hz,6H).HRMS(ESI)计算值C31H35N8O5[M+H]+599.2730,实验值599.2731。
N-(3-(7-((4-(4-乙酰基哌嗪-1-基)-2-甲氧基苯基)氨基)-3-苄基-2,4-二氧代-3,4-二氢嘧啶并[4,5-d]嘧啶-1(2H)-基)苯基)丙烯酰胺(序号22)
1H NMR(400MHz,DMSO-d6)δ10.36(s,1H),8.87(s,1H),8.69(s,1H),7.87(d,J=5.6Hz,1H),7.68(s,1H),7.48(t,J=8.0Hz,1H),7.38(d,J=6.8Hz,2H),7.33(t,J=7.2Hz,2H),7.26(t,J=7.2Hz,1H),7.17(d,J=8.0Hz,1H),7.12(d,J=7.8Hz,1H),6.55(s,1H),6.44(dd,J=16.8Hz,J=10.0Hz,1H),6.26(dd,J=17.2Hz,J=2.0Hz,1H),5.98(s,1H),5.77(dd,J=10.0Hz,J=1.6Hz,1H),5.09(s,2H),3.76(s,3H),3.58-3.55(m,4H),3.05-2.97(m,4H),2.05(s,3H).HRMS(ESI)计算值C35H35N8O5[M+H]+647.2730,实验值647.2735。
化合物23的具体合成方法如下:
试剂和条件:(a)-(e)如前所述;(f)N,N,N'-三甲基乙二胺,K2CO3,DMSO;(n)Zn,NH4Cl,CH3OH;(o)酰氯,Et3N,CH2Cl2,0℃-室温。
7-((4-((2-(二甲基氨基)乙基)(甲基)氨基-2-甲氧基-5-硝基苯基)氨基)-3-甲基-1-苯基嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮的合成
称取7-((4-氟-2-甲氧基-5-硝基苯基)氨基)-3-甲基-1-苯基嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮(438mg,1mmol)、K2CO3(207mg,1.5mmol)、N,N,N'-三甲基乙二胺(153mg,1.5mmol)于10mL单口烧瓶,加入4mL DMSO溶解,升温至90℃,搅拌4h。TLC跟踪至原料转化,冷却至室温,加入冰水,乙酸乙酯萃取,收集有机相,旋干,粗品经硅胶柱层析分离(DCM/CH3OH=20:1,v/v),得7-((4-((2-(二甲基氨基)乙基)(甲基)氨基-2-甲氧基-5-硝基苯基)氨基)-3-甲基-1-苯基嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮358mg,产率69%。1HNMR(400MHz,CDCl3)δ8.97(s,1H),7.88(s,1H),7.63(s,1H),7.46-7.43(m,3H),7.19-7.16(m,2H),6.52(s,1H),3.83(s,3H),3.39(s,3H),3.08(t,J=6.4Hz,2H),2.71(s,3H),2.41(t,J=6.8Hz,2H),2.17(s,6H).LC-MS:m/z:521.3(M+H)+.
7-((5-氨基-4-((2-(二甲基氨基)乙基)(甲基)氨基)-2-甲氧基苯基)氨基)-3-甲基-1-苯基嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮的合成
称取7-((4-((2-(二甲基氨基)乙基)(甲基)氨基-2-甲氧基-5-硝基苯基)氨基)-3-甲基-1-苯基嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮(312mg,0.6mmol)于50mL单口烧瓶,加入8mL甲醇溶解,滴入1mL饱和氯化铵溶液,加入锌粉(390mg,6mmol)室温搅拌过夜。TLC跟踪至原料转化,过滤掉锌粉,滤液旋干,粗品经硅胶柱层析分离(DCM/CH3OH=15:1,v/v),得7-((5-氨基-4-((2-(二甲基氨基)乙基)(甲基)氨基)-2-甲氧基苯基)氨基)-3-甲基-1-苯基嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮180mg,产率61%。
1H NMR(400MHz,CDCl3)δ8.94(s,1H),8.11(s,1H),7.60(t,J=7.6Hz,2H),7.52(t,J=7.2Hz,1H),7.33(d,J=7.6Hz,2H),6.89(s,1H),6.51(s,1H),3.70(s,3H),3.40(s,3H),2.81(t,J=6.4Hz,2H),2.52(s,3H),2.29(t,J=6.8Hz,2H),2.19(s,6H).LC-MS:m/z:491.3(M+H)+.
N-(2-((2-(二甲基氨基)乙基)(甲基)氨基)-4-甲氧基-5-((6-甲基-5,7-二氧代-8-苯基-5,6,7,8-四氢嘧啶并[4,5-d]嘧啶-2-基)氨基)苯基)丙烯酰胺的合成(序号23)
称取7-((5-氨基-4-((2-(二甲基氨基)乙基)(甲基)氨基)-2-甲氧基苯基)氨基)-3-甲基-1-苯基嘧啶并[4,5-d]嘧啶-2,4(1H,3H)-二酮(147mg,0.3mmol)、DIPEA(77mg,0.6mmol)于25mL烧瓶,加入3mL二氯甲烷溶解,冰浴下搅拌15分钟。另取丙烯酰氯(33mg,0.36mmol)溶于1mL二氯甲烷,滴加到上述反应液中,室温搅拌过夜。TLC跟踪原料转化,旋干,粗品经硅胶柱层析分离(DCM/CH3OH=15:1,v/v),得N-(2-((2-(二甲基氨基)乙基)(甲基)氨基)-4-甲氧基-5-((6-甲基-5,7-二氧代-8-苯基-5,6,7,8-四氢嘧啶并[4,5-d]嘧啶-2-基)氨基)苯基)丙烯酰胺80mg,产率49%。
1H NMR(400MHz,CDCl3)δ9.36(s,1H),9.08(s,1H),7.88(s,1H),7.50-7.46(m,5H),6.58(dd,J=17.2Hz,J=10.0Hz,1H),6.48(dd,J=17.2Hz,J=1.6Hz,1H),5.83(dd,J=10.0Hz,J=2.0Hz,1H),3.83(s,3H),3.48(s,3H),3.23(t,J=6.0Hz,2H),3.06(t,J=6.4Hz,2H),2.77(s,6H),2.68(s,3H).HRMS(ESI):计算值C28H33N8O4(M+H)+545.2625,实验值545.2630。
本发明的5,8-二氢蝶啶-6,7-二酮类化合物的合成如下所示:
试剂和条件:(a)(Boc)2O,Et3N,CH3OH,室温,24h;(b)2,4-二氯-5-硝基嘧啶,Na2CO3,DMF,-70℃,1h;(c)芳基胺,DIPEA,THF,室温,过夜;(d)H2,Pd/C,MeOH,室温,10h;(e)草酸二乙酯,三乙胺,EtOH,回流,30h;(f)卤代烷,Cs2CO3,DMF,室温,过夜;(g)三氟乙酸,CH2Cl2,室温,5h;(h)丙烯酰氯,Et3N,CH2Cl2,0℃到室温,过夜。
实施例2
(3-氨基苯基)氨基甲酸叔丁酯的合成
称取1,3-苯二胺(10.800g,100mmol)、三乙胺(10.100g,100mmol)于250mL单口烧瓶,加入100mL甲醇溶解,冰浴条件下搅拌15分钟。另取Boc-酸酐(21.800g,100mmol)溶于40mL甲醇,滴加到上述反应液中,滴加完成后,室温搅拌24小时。TLC跟踪原料转化,旋转蒸发除去溶剂,粗产品经硅胶柱层析(石油醚/乙酸乙酯=4:1,v/v)分离,得(3-氨基苯基)氨基甲酸叔丁酯白色固体13.312g,产率64%。1H NMR(400MHz,CDCl3)δ7.03(t,J=8.0Hz,1H),6.96(s,1H),6.55(dd,J=8.0Hz,J=1.2Hz,1H),6.43(s,1H),6.36(dd,J=8.0Hz,J=1.6Hz,1H),3.54(s,2H),1.51(s,9H).LC-MS:m/z:209.1(M+H)+.
(3-(2-氯-5-硝基嘧啶-4-氨基)苯基)氨基甲酸叔丁酯的合成
称取2,4-二氯-5-硝基嘧啶(1.940g,10mmol)、N,N-二异丙基乙胺(2.580g,20mmol)于100mL圆底烧瓶中,加入30mL DMF溶解,冰浴条件下搅拌10分钟。另取(3-氨基苯基)氨基甲酸叔丁酯(2.080g,10.0mmol)溶于20mL DMF,缓慢滴加到上述反应液中,滴加完后,室温搅拌2小时。TLC跟踪原料完全转化,向反应液中加入冰水,析出固体,抽滤,水洗,干燥。粗品用CH2Cl2重结晶,得(3-(2-氯-5-硝基嘧啶-4-氨基)苯基)氨基甲酸叔丁酯橙色固体2.950g,产率81%。
1H NMR(400MHz,CDCl3)δ10.19(s,1H),9.20(s,1H),7.84(s,1H),7.36(d,J=5.2Hz,2H),7.21-7.18(m,1H),6.63(s,1H),1.56(s,9H).LC-MS:m/z:366.1(M+H)+.
(3-((2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-5-硝基嘧啶-4-基)氨基)苯基)氨基甲酸叔丁酯的合成
称取(3-(2-氯-5-硝基嘧啶-4-氨基)苯基)氨基甲酸叔丁酯(2.920g,8mmol)、N,N-二异丙基乙胺(2.064g,16mmol)于100mL三口烧瓶中,加入30mL四氢呋喃溶解。另取2-甲氧基-4-(4-甲基哌嗪基)苯胺(1.768g,8mmol)溶于15mL四氢呋喃,氩气保护条件下缓慢滴入上述反应液中,滴加完后,升温回流过夜。TLC跟踪原料转化,旋转蒸发除去部分溶剂,析出固体,抽滤,四氢呋喃洗涤,干燥。粗品用CH2Cl2重结晶,得(3-((2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-5-硝基嘧啶-4-基)氨基)苯基)氨基甲酸叔丁酯红棕色固体3.340g,产率76%。
1H NMR(400MHz,DMSO-d6)δ10.24(s,1H),9.42(s,1H),9.19(s,1H),9.03(s,1H),7.54(s,1H),7.39(d,J=8.4Hz,1H),7.22(t,J=8.8Hz,2H),7.09(t,J=8.0Hz,1H),6.61(d,J=1.6Hz,1H),6.34(d,J=8.8Hz,1H),3.76(s,3H),3.15(t,J=4.4Hz,4H),2.47(t,J=4.4Hz,4H),2.24(s,3H),1.47(s,9H).LC-MS:m/z:551.4(M+H)+.
(3-((5-氨基-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)嘧啶-4-基)氨基)苯基)氨基甲酸叔丁酯的合成
称取(3-((2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-5-硝基嘧啶-4-基)氨基)苯基)氨基甲酸叔丁酯(3.300g,6mmol)、钯碳催化剂(0.318g,0.3mmol,10%Pd)于250mL厚壁耐压瓶中,加入80mL甲醇溶解,通入氢气,室温反应6小时。TLC跟踪原料转化,抽滤,滤液旋干,粗品用乙醇重结晶,得(3-((5-氨基-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)嘧啶-4-基)氨基)苯基)氨基甲酸叔丁酯白色固体2.775g,产率89%。
1H NMR(400MHz,DMSO-d6)δ9.32(s,1H),8.17(s,1H),7.99(d,J=8.8Hz,1H),7.96(s,1H),7.59(s,1H),7.32(d,J=8.0Hz,1H),7.16(t,J=8.0Hz,1H),7.06(d,J=8.0Hz,1H),6.98(s,1H),6.60(d,J=2.4Hz,1H),6.38(dd,J=8.8Hz,J=2.4Hz,1H),4.39(s,2H),3.82(s,3H),3.07(t,J=4.4Hz,4H),2.48(t,J=4.4Hz,4H),2.25(s,3H),1.48(s,9H).LC-MS:m/z:521.3(M+H)+.
(3-(2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8(5H))苯基)氨基甲酸叔丁酯的合成
称取(3-((5-氨基-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)嘧啶-4-基)氨基)苯基)氨基甲酸叔丁酯(2.600g,5mmol)、三乙胺(1.010g,10mmol)于100mL烧瓶中,加入40mL乙醇溶解。向反应液中加入草酸二乙酯(2.190g,15mmol),升温回流48小时。TLC跟踪原料转化,抽滤,乙醇洗涤滤饼,干燥。得(3-(2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8(5H))苯基)氨基甲酸叔丁酯黄色固体2.155g,产率75%。
1H NMR(400MHz,DMSO-d6)δ9.64(s,1H),8.14(s,1H),7.59(s,1H),7.57(s,1H),7.55(d,J=8.0Hz,1H),7.43(t,J=8.0Hz,1H),7.26(d,J=8.8Hz,1H),6.95(d,J=7.6Hz,1H),6.53(d,J=2.4Hz,1H),6.06(d,J=8.0Hz,1H),3.77(s,3H),3.03(t,J=4.4Hz,4H),2.44(t,J=4.4Hz,4H),2.22(s,3H),1.45(s,9H).HRMS(ESI):计算值C29H35N8O5(M+H)+575.2730,实验值575.2725.
N-(3-(2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8-(5H))苯基)丙烯酰胺的合成(序号24)
称取(3-(2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8(5H))苯基)氨基甲酸叔丁酯(0.861g,1.5mmol)于50mL圆底烧瓶,加入10mL二氯甲烷溶解,缓慢滴入2mL三氟乙酸,室温搅拌过夜。TLC跟踪原料转化,加入饱和NaHCO3溶液中和至碱性,二氯甲烷萃取,收集有机层,旋转蒸发除去溶剂,得8-(3-氨基苯基)-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-5,8-二氢蝶啶-6,7-二酮491mg,产率69%,产物未经纯化直接用于下步反应。
称取8-(3-氨基苯基)-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-5,8-二氢蝶啶-6,7-二酮(0.474g,1mmol),Et3N(0.152g,1.5mmol)于25mL烧瓶,加入10mL二氯甲烷溶解,冰浴条件下搅拌10分钟。另取丙烯酰氯(105μL,1.3mmol)溶于2mL二氯甲烷,缓慢加入上述反应液中,滴加完室温搅拌过夜。TLC跟踪原料转化,加入冰水,二氯甲烷萃取,收集有机层,旋转蒸发除去溶解,粗品经硅胶柱层析分离纯化(DCM/CH3OH=15:1,v/v)。得N-(3-(2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8-(5H))苯基)丙烯酰胺124mg,产率23%。
1H NMR(400MHz,DMSO-d6)δ10.69(s,1H),8.22(s,1H),7.51(d,J=8.0Hz,1H),7.76(s,1H),7.64(s,1H),7.52(t,J=8.0Hz,1H),7.28(d,J=8.8Hz,1H),7.08(d,J=8.0Hz,1H),6.59-6.52(m,2H),6.26(dd,J=16.8Hz,J=1.2Hz,1H),6.07(d,J=8.4Hz,1H),5.77(dd,J=10.0Hz,J=1.2Hz,1H),3.78(s,3H),3.31(t,J=4.4Hz,4H),3.20(t,J=4.4Hz,4H),2.74(s,3H).HRMS(ESI):计算值C31H39N8O5(M+H)+529.2312,实验值529.2312.
(3-(5-乙基-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8(5H))苯基)氨基甲酸叔丁酯的合成
称取(3-(2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8(5H))苯基)氨基甲酸叔丁酯(0.861g,1.5mmol),Cs2CO3(0.587g,1.8mmol)于25mL烧瓶,加入10mLDMF溶解,滴加碘乙烷(180μL,2.25mmol),滴加完室温搅拌过夜。TLC跟踪原料转化,加入水,二氯甲烷萃取,收集有机层,旋转蒸发除去溶剂,粗品经硅胶柱层析分离纯化(DCM/CH3OH=20:1,v/v)。得(3-(5-乙基-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8(5H))苯基)氨基甲酸叔丁酯414mg,产率46%。
1H NMR(400MHz,CDCl3)δ8.59(s,1H),7.69(s,1H),7.58(s,1H),7.54(d,J=8.0Hz,1H),7.50(t,J=8.0Hz,1H),7.44(s,1H),6.99(d,J=7.2Hz,1H),6.72(s,1H),6.45(d,J=2.4Hz,1H),6.17(d,J=6.8Hz,1H),4.55(q,J=7.2Hz,2H),3.83(s,3H),3.14(t,J=4.4Hz,4H),2.62(t,J=4.4Hz,4H),2.38(s,3H),1.51(t,J=6.8Hz,3H),1.48(s,9H).HRMS(ESI):计算值C31H39N8O5(M+H)+603.3043,实验值603.3043.
N-(3-(5-乙基-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8-(5H))苯基)丙烯酰胺的合成(序号26)
称取(3-(5-乙基-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8(5H))苯基)氨基甲酸叔丁酯(0.400g,0.66mmol)于50mL圆底烧瓶,加入10mL二氯甲烷溶解,缓慢滴入2mL三氟乙酸,室温搅拌过夜。TLC跟踪原料转化,加入饱和NaHCO3溶液中和至碱性,二氯甲烷萃取,收集有机层,旋转蒸发除去溶剂,粗品用二氯甲烷重结晶,得8-(3-氨基苯基)-5-乙基-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-5,8-二氢蝶啶-6,7-二酮185mg,产率55%,产物直接用于下步反应。
称取8-(3-氨基苯基)-5-乙基-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-5,8-二氢蝶啶-6,7-二酮(0.180g,0.36mmol),Et3N(0.055g,0.54mmol)于25mL烧瓶,加入10mL二氯甲烷溶解,冰浴条件下搅拌10分钟。另取丙烯酰氯(38μL,0.47mmol)溶于1mL二氯甲烷,缓慢加入上述反应液中,滴加完室温搅拌过夜。TLC跟踪原料转化,加入冰水,二氯甲烷萃取,收集有机层,旋转蒸发除去溶解,粗品经硅胶柱层析分离纯化(DCM/CH3OH=15:1,v/v)。得N-(3-(5-乙基-2-((2-甲氧基-4-(4-甲基哌嗪基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8-(5H))苯基)丙烯酰胺98mg,产率49%。
1H NMR(400MHz,DMSO-d6)δ10.42(s,1H),8.57(s,1H),7.92(s,1H),7.89(s,1H),7.70(s,1H),7.53(t,J=8.0Hz,1H),7.32(d,J=8.8Hz,1H),7.10(d,J=7.6Hz,1H),6.53(d,J=2.4Hz,1H),6.45(dd,J=17.2Hz,J=10.4Hz,1H),6.26(dd,J=16.8Hz,J=1.6Hz,1H),6.06-6.04(m,1H),5.77(dd,J=10.0Hz,J=1.6Hz,1H),4.42(q,J=7.2Hz,2H),3.77(s,3H),3.02(t,J=4.4Hz,4H),2.45(t,J=4.4Hz,4H),2.23(s,3H),1.40(t,J=7.2Hz,3H).HRMS(ESI):计算值C29H33N8O4(M+H)+557.2625,实验值557.2615.
以下化合物均按照上述步骤的方法合成得到:
N-(3-(2–((2-甲氧基-4-(4-甲基哌嗪-1-基)苯基)氨基)-5-甲基-6,7-二氧代-6,7-二氢蝶啶-8-(5H)-基)苯基)丙烯酰胺(序号25)
1H NMR(400MHz,DMSO-d6)δ10.46(s,1H),8.48(s,1H),7.92(d,J=8.0Hz,1H),7.69(s,1H),7.66(s,1H),7.53(t,J=8.0Hz,1H),7.22(d,J=8.8Hz,1H),7.07(d,J=8.0Hz,1H),6.53(d,J=1.6Hz,1H),6.46(dd,J=16.8Hz,J=10.0Hz,1H),6.26(dd,J=17.2Hz,J=1.6Hz,1H),6.02(d,J=8.4Hz,1H),5.77(dd,J=10.0Hz,J=1.2Hz,1H),3.77(s,3H),3.55-3.53(m,4H),3.06-3.02(m,4H),2.57(s,3H),2.32(s,3H).HRMS(ESI):计算值C28H31N8O4(M+H)+543.2468,实验值543.2470.
N-(3-(2–((2-甲氧基-4-(4-甲基哌嗪-1-基)苯基)氨基)-6,7-二氧代-5-丙基-6,7-二氢蝶啶-8-(5H)-基)苯基)丙烯酰胺(序号27)
1H NMR(400MHz,DMSO-d6)δ10.70(s,1H),8.58(s,1H),7.97(s,1H),7.91(d,J=8.0Hz,1H),7.77(s,1H),7.53(t,J=8.0Hz,1H),7.35(d,J=8.8Hz,1H),7.11(d,J=8.0Hz,1H),6.59-6.52(m,2H),6.26(dd,J=16.8Hz,J=1.2Hz,1H),6.11-6.09(m,1H),5.77(dd,J=10.0Hz,J=1.6Hz,1H),4.32(t,J=6.8Hz,2H),3.78(s,3H),3.31-3.29(m,4H),3.16-3.14(m,4H),2.72(s,3H),1.85-1.77(m,2H),1.01(t,J=7.2Hz,3H).HRMS(ESI):计算值C30H35N8O4(M+H)+571.2781,实验值571.2780.
N-(3-(5-异丙基-2–((2-甲氧基-4-(4-甲基哌嗪-1-基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8-(5H)-基)苯基)丙烯酰胺(序号28)
1H NMR(400MHz,DMSO-d6)δ10.63(s,1H),8.57(s,1H),7.96(s,1H),7.90(d,J=8.4Hz,1H),7.75(s,1H),7.53(t,J=8.0Hz,1H),7.36(d,J=8.8Hz,1H),7.11(d,J=7.6Hz,1H),6.60(d,J=2.0Hz,1H),6.54(dd,J=16.8Hz,J=10.0Hz,1H),6.27(dd,J=16.8Hz,J=1.6Hz,1H),6.12-6.10(m,1H),5.77(dd,J=10.0Hz,J=1.6Hz,1H),5.38-5.30(m,1H),3.79(s,3H),3.31-3.29(m,4H),3.26-3.24(m,4H),2.79(s,3H),1.40(d,J=6.4Hz,6H).HRMS(ESI):计算值C30H35N8O4(M+H)+571.2781,实验值571.2780.
N-(3-(2-((3-甲基-4-(4-甲基哌嗪-1-基)苯基)氨基)-5-异丙基-6,7-二氧代-6,7-二氢蝶啶-8-(5H)-基)苯基)丙烯酰胺(序号29)
1H NMR(400MHz,DMSO-d6)δ10.54(s,1H),9.61(s,1H),8.61(s,1H),7.91(d,J=8.0Hz,1H),7.76(s,1H),7.55(t,J=8.0Hz,1H),7.20(s,1H),7.13(d,J=8.0Hz,1H),6.69(d,J=8.8Hz,1H),6.50(dd,J=17.2Hz,J=10.4Hz,1H),6.26(dd,J=17.2Hz,J=2.0Hz,1H),5.76(dd,J=10.0Hz,J=1.6Hz,1H),5.37-5.31(m,1H),2.94-2.91(m,4H),2.85-2.82(m,4H),2.58(s,3H),1.99(s,3H),1.40(d,J=6.0Hz,6H).HRMS(ESI):计算值C30H35N8O3(M+H)+555.2832,实验值555.2833.
N-(3-(2–((3-甲氧基-4-(4-甲基哌嗪-1-基)苯基)氨基)-5-异丙基-6,7-二氧代-6,7-二氢蝶啶-8-(5H)-基)苯基)丙烯酰胺(序号30)
1H NMR(400MHz,DMSO-d6)δ10.59(s,1H),9.57(s,1H),8.62(s,1H),7.90(d,J=8.4Hz,1H),7.75(s,1H),7.54(t,J=8.0Hz,1H),7.12(d,J=7.6Hz,1H),7.04-6.99(m,2H),6.55-6.49(m,2H),6.27(dd,J=17.2Hz,J=2.0Hz,1H),5.77(dd,J=10.0Hz,J=1.6Hz,1H),5.37-5.31(m,1H),3.57(s,3H),3.19-3.07(m,8H),2.74(s,3H),1.40(d,J=6.0Hz,6H).HRMS(ESI):计算值C30H35N8O4(M+H)+571.2781,实验值571.2782.
N-(3-(2-((4–((2-(二甲基氨基)乙基)(甲基)氨基)-2-甲氧基苯基)氨基)-5-异丙基-6,7-二氧代-6,7-二氢蝶啶-8-(5H)-基)苯基)丙烯酰胺(序号31)
1H NMR(400MHz,CDCl3)δ8.69(s,1H),8.57(s,1H),7.75(s,1H),7.71(d,J=8.0Hz,1H),7.61(s,1H),7.44(t,J=8.0Hz,1H),6.98(d,J=8.0Hz,1H),6.35(dd,J=16.4Hz,J=0.8Hz,1H),6.26-6.19(m,2H),5.92-5.90(m,1H),5.64(dd,J=10.0Hz,J=1.2Hz,1H),5.49-5.43(m,1H),3.80(s,3H),3.40(t,J=7.6Hz,2H),2.87(s,3H),2.50(t,J=7.6Hz,2H),2.35(s,6H),1.48(d,J=6.0Hz,6H).HRMS(ESI):计算值C30H37N8O4(M+H)+573.2938,实验值573.2939.
N-(3-(2-((4-(2-(二甲基氨基)乙氧基)-2-甲氧基苯基)氨基)-5-异丙基-6,7-二氧代-6,7-二氢蝶啶-8-(5H)-基)苯基)丙烯酰胺(序号32)
1H NMR(400MHz,DMSO-d6)δ10.64(s,1H),8.57(s,1H),8.01(s,1H),7.87(d,J=8.4Hz,1H),7.78(s,1H),7.53(t,J=8.0Hz,1H),7.39(d,J=7.2Hz,1H),7.11(d,J=8.0Hz,1H),6.60(d,J=2.4Hz,1H),6.54(dd,J=17.2Hz,J=10.4Hz,1H),6.26(dd,J=17.2Hz,J=2.0Hz,1H),6.16-6.14(m,1H),5.76(dd,J=10.0Hz,J=1.6Hz,1H),5.37-5.31(m,1H),4.21(t,J=4.8Hz,2H),3.78(s,3H),3.26(t,J=4.8Hz,2H),2.69(s,6H),1.40(d,J=6.0Hz,6H).HRMS(ESI):计算值C29H34N7O5(M+H)+560.2621,实验值560.2625.
N-(3-(5-异丙基-2-((2-甲氧基-4-(4-(4-甲基哌嗪-1-基)哌啶-1-基)苯基)氨基)-6,7-二氧代-6,7-二氢蝶啶-8(5H)-基)苯基)丙烯酰胺(序号33)
1H NMR(400MHz,DMSO-d6)δ10.58(s,1H),8.56(s,1H),7.94(d,J=8.0Hz,1H),7.91(s,1H),7.72(s,1H),7.53(t,J=8.0Hz,1H),7.32(d,J=8.8Hz,1H),7.11(d,J=8.4Hz,1H),6.55-6.48(m,2H),6.27(dd,J=17.2Hz,J=2.0Hz,1H),6.08-6.06(m,1H),5.78(dd,J=10.0Hz,J=1.6Hz,1H),5.36-5.30(m,1H),3.77(s,3H),3.62-3.60(m,2H),3.00-2.92(m,4H),2.69-2.67(m,2H),2.56(t,J=11.6Hz,3H),2.42-2.39(m,2H),1.82-1.81(m,2H),1.54-1.49(m,1H),1.39(d,J=6.4Hz,6H).HRMS(ESI):计算值C35H44N9O4(M+H)+654.3516,实验值654.3512.
在本发明提及的所有文献都在本申请中引用作为参考,就如同每一篇文献被单独引用作为参考那样。此外应理解,在阅读了本发明的上述讲授内容之后,本领域技术人员可以对本发明作各种改动或修改,这些等价形式同样落于本申请所附权利要求书所限定的范围。
Claims (4)
3.如权利要求2所述的用途,其特征在于,式中,
R3选自甲基或丙基或异丙基;
R4为甲氧基;
R5为甲基或甲氧基。
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