CN114539221A - 氘代2-芳杂环-3-氧-2,3-二氢哒嗪-4-甲酰胺类抑制剂及其制备方法和应用 - Google Patents
氘代2-芳杂环-3-氧-2,3-二氢哒嗪-4-甲酰胺类抑制剂及其制备方法和应用 Download PDFInfo
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- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
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Classifications
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- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
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Abstract
本发明涉及氘代3‑氧‑2,3‑二氢哒嗪‑4‑甲酰胺类抑制剂及其制备方法和应用。具体地,本发明化合物具有式(I)所示结构,本发明还公开了所述化合物的制备方法及其作为AhR抑制剂的用途,本发明化合物对AhR具有很好的选择性抑制作用且具有更好的药效学、药代动力学性能和更低的毒副作用。
Description
技术领域
本发明属于药物领域,具体涉及一种氘代2-芳杂环-3-氧-2,3-二氢哒嗪-4-甲酰胺类抑制剂及其制备方法和应用。
背景技术
芳基烃受体(Aryl Hydrocarbon Receptor,AhR)是一种配体激活的转录因子,参与多种细胞过程的调控,包括细胞增殖、新陈代谢和免疫调节等。AhR可以通过与各种调控和信号蛋白相互作用来影响细胞信号传导,包括PAS异二聚体伴侣ARNT(芳烃受体核转运蛋白)、伴侣和免疫样蛋白(例如HSP90)、AIP(芳烃受体-相互作用蛋白)、p23、CK2(酪蛋白激酶-2)、PKC(蛋白激酶-C)等。另外,AhR还与激素受体、低氧、NF-KappaB、Rb蛋白介导的信号通路、MAPK信号通路、EGFR信号通路等有相互作用。研究发现AhR在肺癌、结直肠癌及头颈部鳞癌等多种肿瘤中观察到AhR的高表达,而且在肿瘤微环境中能对免疫抑制的调节起到关键作用。临床前研究表明持续活化的小鼠会自发性的产生肿瘤。
AhR在免疫系统的许多细胞中表达,包括树突状细胞(dendritic cells,DCs)、巨噬细胞、T细胞和NK细胞等。AhR在免疫调节中发挥重要作用:(1)如内源性AhR配体可能促进TME中Treg细胞的发育;(2)AhR通过多种机制促进Th17细胞的分化;另一方面,AhR通过与Th17启动子上的DRE位点结合来调控Th17的表达;AhR还可以协同Stat3诱导Ikaros家族成员Aiolos(IKZF3)的表达,降低IL-2的表达,同时促进Th17细胞的生成;(3)AhR和c-Maf之间的相互作用对小鼠和人类Tr1调节细胞的发育至关重要;(4)AhR通过对B细胞早期基因EBF1和PAX5的转录抑制调控B细胞分化等。免疫系统中的细胞不断暴露于内源性和外源性AhR配体中,这些配体可干扰生理功能、改变免疫稳态并发展为炎症性疾病、自身免疫性疾病和癌症。AhR的抑制可以通过减轻免疫抑制使免疫治疗更加有效。
外源性配体如PAH(多环芳烃)、二恶英(例如TCDD)和多氯联苯等是大多数毒性反应的罪魁祸首。与这些环境毒素结合后,AhR诱导代谢机制如细胞色素p450酶等(CYP1A1,CYP1A2,和CYP1B1等)对环境毒素进行消除。研究表明外源性配体如TCDD等激活AhR已被证明在许多细胞过程中发挥作用,如胚胎发生、肿瘤发生和炎症等。
除了外源性配体外,AhR还可以结合色氨酸降解的代谢产物。色氨酸代谢物如kynurenine和kynurenic acid是内源性AhR配体,可以在生理条件下激活AhR。kynurenine和色氨酸降解的免疫抑制特性已经被充分证明,并涉及癌症相关的免疫抑制。在色氨酸降解途径中,吲哚胺-2,3-双加氧酶1和2(1DO1/1DO2)以及色氨酸-2,3-双加氧酶2(TDO2)负责催化色氨酸代谢的第一步和限速步骤。在动物模型中,降低抗肿瘤免疫反应和抑制IDO可以抑制肿瘤的形成。在癌症中TDO2也有强表达,可导致产生免疫抑制的kynurenine。在胶质瘤中,kynurenine激活AhR,通过介导色氨酸降解的下游抑制抗肿瘤免疫反应,并直接促进肿瘤细胞存活和活性,从而促进肿瘤生长。因此,肿瘤细胞产生的AhR配体分别以自分泌和旁分泌方式作用于肿瘤细胞和淋巴细胞,促进肿瘤生长。
由于AhR靶蛋白在病理学上与多种疾病相关,因此目前还需要新型的AhR抑制剂用于临床治疗。高选择性高活性的AhR抑制剂可以对AhR异常介导的癌症等疾病更有效治疗,以及减少脱靶效应的潜力,因而具有更迫切的临床需求。
发明内容
本发明的目的在于提供一类新型的对AhR有选择性抑制作用和/或更好药效学性能的化合物及其用途。
本发明的第一方面,提供了具有通式(I)结构的氘代3-氧-2,3-二氢哒嗪-4-甲酰胺类化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药:
式中:
R1选自取代的下组基团:C2-C6的烷基、C3-C10环烷基、或4-10元杂环基;其中上述C2-C6的烷基、C3-C10环烷基、或4-10元杂环基至少被一个羟基取代;
R2选自氢或氘;
R3选自取代或未取代的下组基团:C1-C3的烷基、C3-C6环烷基或4-6元杂环基;
X选自N或CR4;
R4、R5、R6、R8、R9、或R10选自氢或氘;
R7选自Cl、CF3、CHF2、OCF3、OCHF2、或N(Me)2;
其中,上述取代是指被选自下组的一个或多个基团取代:氢、氘、C1-C18烷基、氘代C1-C18烷基、卤代C1-C18烷基、卤代C1-C18烷基羟基、C3-C20环烷基、C1-C18烷氧基、氘代C1-C18烷氧基、卤代C1-C18烷氧基、C6-C14芳基、5-14元杂芳基、4-20元杂环基、卤素、硝基、羟基、氰基、酯基、胺基、酰胺基、磺酰胺基或脲基;
限定条件是R1、R2、R3、R4、R5、R6、R7、R8、R9、或R10至少有一个是氘或者含氘原子取代。
在另一优选例中,所述的化合物具有通式(II)所示结构:
R1、R2、R3、R4、R5、R6、R7、R8、R9、和R10的定义如上文中所述。
在另一优选例中,所述的R1为取代或未取代的C3-C10环烷基、或取代或未取代的饱和的4-10元杂环基。
在另一优选例中,所述的化合物具有通式(III)所示结构:
式中,R11、R12、R13、和R14各自独立地选自取代或未取代的的下组基团:H、氘、氰基、C1-C6的烷基、C3-C6环烷基、或4-6元杂环基;R2、R3、R4、R5、R6、R7、R8、R9、和R10的定义如上文中所述。
在另一优选例中,所述的R11或R12选自下组:D、CN、CH3、CD3、CF3、异丙基、C3-C6环烷基、或4-6元杂环基。
在另一优选例中,与所述的R11或R12相连的碳原子为手性碳原子,且所述的手性碳原子的构型为R型或S型。
在另一优选例中,所述的化合物具有式IV所示结构:
式中,R11、R12、R13、和R14各自独立地选自取代或未取代的的下组基团:H、氘、氰基、C1-C6的烷基、C3-C6环烷基、或4-6元杂环基;R2、R3、R4、R5、R6、R8、R9、和R10的定义如上文中所述。
在另一优选例中,R3选自下组:CH3、CD3。
在另一优选例中,R13和R14各自独立地为氘。
在另一优选例中,R2为D。
在另一优选例中,R3为CD3。
在另一优选例中,R9和R10各自独立地为氘。
在另一优选例中,R4、R5、R6、R8各自独立地为氘。
在另一优选例中,R4、R6各自独立地为氘。
在另一优选例中,R5、R8各自独立地为氘。
在另一优选例中,所述化合物选自下组:
本发明的第二方面,提供了一种制备通式(I)结构的氘代3-氧-2,3-二氢哒嗪-4-甲酰胺类化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药的方法,所述方法包括步骤:
(i)在第一种碱(如醋酸钠)存在下,式(P-1)化合物与式(Q)化合物反应,得到式X-2化合物;
(ii)在铜盐(如CuCl2)存在下,式(P-2)化合物发生脱氢反应,得到式(P-3)化合物;
(iii)在第二种碱(如LiOH)存在下,式(P-3)化合物水解得到式(P-4)化合物;
(iv)式(P-4)化合物与胺(R1H)反应,得到式(I)化合物;
式中,
R1、R2、R3、R5、R6、R7、R8、R9、R10、及X定义如上文所述。
本发明的第三方面,提供了一种药物组合物,其包含i)一种或多种本发明第一方面所述通式(I)结构的化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药;和ii)药学上可接受的载体。
本发明的第四方面,提供了一种如本发明第一方面所述的具有通式(I)结构的氘代3-氧-2,3-二氢哒嗪-4-甲酰胺类化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药,或本发明第三方面所述的药物组合物的用途,其特征在于,用于制备预防和/或治疗与AhR介导的疾病的药物组合物。
在另一优选例中,所述的与AhR异常介导相关的疾病是肿瘤或失调性疾病。
在另一优选例中,所述疾病选自下组:肺癌、乳腺癌、前列腺癌、食道癌、结直肠癌、骨癌、肾癌、胃癌、肝癌、大肠癌、黑色素瘤、淋巴瘤、白血病、血癌、脑瘤、骨髓瘤、软组织肉瘤、胰腺癌、皮肤癌。在本发明的另一方面,提供了一种抑制AhR的方法,其包括步骤:向所需患者施用有效量的本发明第一方面所述的通式(I)化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药,或施用本发明第三方面所述的药物组合物。
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
本发明人经过长期而深入的研究,意外地发现了一类新型的AhR有选择性抑制作用和/或更好药效学性能的化合物。在此基础上,发明人完成了本发明。
术语
在本发明中,除非特别指出,所用术语具有本领域技术人员公知的一般含义。
术语“烷基”是指直链或支链或环状烷烃基,包含1-20个碳原子,如1-18个碳原子,尤其指1-18个碳原子。典型的“烷基”包括甲基、乙基、丙基、异丙基、正丁基、叔丁基、异丁基、戊基、异戊基、庚基、4,4–二甲基戊基、辛基、2,2,4-三甲基戊基、壬基、癸基、十一烷基、十二烷基等等。
术语“C1-C18烷基”指的是直链或支链或环状烷基,包括从1-18个碳原子,如甲基、乙基、丙基、异丙基正丁基、叔丁基、异丁基(如)、正戊基、异戊基、正己基、异己基、正庚基、异庚基。“取代烷基”是指烷基中的一个或多个位置被取代,尤其是1-4个取代基,可在任何位置上取代。典型的取代包括但不限于一个或多个以下基团:如氢,氘,卤素(例如,单卤素取代基或多卤素取代基,后者如三氟甲基或包含Cl3的烷基)、腈基、硝基、氧(如=O)、三氟甲基、三氟甲氧基、环烷基、烯基、环烯基、炔基、杂环、芳环、ORa、SRa、S(=O)Re、S(=O)2Re、P(=O)2Re、S(=O)2ORe,P(=O)2ORe、NRbRc、NRbS(=O)2Re、NRbP(=O)2Re、S(=O)2NRbRc、P(=O)2NRbRc、C(=O)ORd、C(=O)Ra、C(=O)NRbRc、OC(=O)Ra、OC(=O)NRbRc、NRbC(=O)ORe,NRdC(=O)NRbRc、NRdS(=O)2NRbRc、NRdP(=O)2NRbRc、NRbC(=O)Ra、或NRbP(=O)2Re,其中在此出现的Ra可以独立表示氢、氘、烷基、环烷基、烯基、环烯基、炔基、杂环或芳环,Rb、Rc和Rd可以独立表示氢、氘、烷基、环烷基、杂环或芳环,或者说Rb和Rc与N原子一起可以形成杂环;Re可以独立表示氢、烷基、环烷基、烯基、环烯基、炔基、杂环或芳环。上述典型的取代基,如烷基、环烷基、烯基、环烯基、炔基、杂环或芳环可以任选取代。
术语“环烷基”是指完全饱和的环状烃类化合物基团,包括1-4个环,每个环中含有3-8个碳原子。“取代环烷基”是指环烷基中的一个或多个位置被取代,尤其是1-4个取代基,可在任何位置上取代。典型的取代包括但不限于一个或多个以下基团:如氢、氘、卤素(例如,单卤素取代基或多卤素取代基,后者如三氟甲基或包含Cl3的烷基)、腈基、硝基、氧(如=O)、三氟甲基、三氟甲氧基、环烷基、烯基、环烯基、炔基、杂环、芳环、ORa、SRa、S(=O)Re、S(=O)2Re、P(=O)2Re、S(=O)2ORe,P(=O)2ORe、NRbRc、NRbS(=O)2Re、NRbP(=O)2Re、S(=O)2NRbRc、P(=O)2NRbRc、C(=O)ORd、C(=O)Ra、C(=O)NRbRc、OC(=O)Ra、OC(=O)NRbRc、NRbC(=O)ORe,NRdC(=O)NRbRc、NRdS(=O)2NRbRc、NRdP(=O)2NRbRc、NRbC(=O)Ra、或NRbP(=O)2Re,其中在此出现的Ra可以独立表示氢、氘、烷基、环烷基、烯基、环烯基、炔基、杂环或芳环,Rb、Rc和Rd可以独立表示氢、氘、烷基、环烷基、杂环或芳环,或者说Rb和Rc与N原子一起可以形成杂环;Re可以独立表示氢、氘、烷基、环烷基、烯基、环烯基、炔基、杂环或芳环。上述典型的取代基可以任选被取代。典型的取代还包括螺环、桥环或稠环取代基,尤其是螺环烷基、螺环烯基、螺环杂环(不包括杂芳环)、桥环烷基、桥环烯基、桥环杂环(不包括杂芳环)、稠环烷基、稠环烯基、稠环杂环基或稠环芳环基,上述环烷基、环烯基、杂环基和杂环芳基可以任选取代。环上的任意两个或两个以上的原子可以与其他环烷基、杂环基、芳基和杂芳基进一步并环连接。
术语“杂环基”是指完全饱和的或部分不饱和的的环状基团(包含但不限于如3-7元单环,6-11元双环,或8-16元三环系统),其中至少有一个杂原子存在于至少有一个碳原子的环中。每个含有杂原子的杂环可以带有1,2,3或4个杂原子,这些杂原子选自氮原子、氧原子或硫原子,其中氮原子或硫原子可以被氧化,氮原子也可以被季铵化。杂环基团可以连接到环或环系分子的任何杂原子或碳原子的残基上。典型的单环杂环包括但不限于氮杂环丁烷基、吡咯烷基、氧杂环丁烷基、吡唑啉基、咪唑啉基、咪唑烷基、噁唑烷基、异噁唑烷基、噻唑烷基、异噻唑烷基、四氢呋喃基、哌啶基、哌嗪基、2-氧代哌嗪基、2-氧代哌啶基、2-氧代吡咯烷基、六氢吖庚因基、4-哌啶酮基、四氢吡喃基、吗啡啉基、硫代吗啡啉基、硫代吗啡啉亚砜基、硫代吗啡啉砜基、1,3-二噁烷基和四氢-1,1-二氧噻吩等。多环杂环基包括螺环、稠环和桥环的杂环基;其中涉及到的螺环、稠环和桥环的杂环基任选与其他基团通过单键相连接,或者通过环上的任意两个或两个以上的原子与其他环烷基、杂环基、芳基和杂芳基进一步并环连接;杂环基团可以是取代的或者未取代的,当被取代时,取代基优选为一个或多个一下基团,其独立地选自烷基、氘代烷基、卤代烷基、烷氧基、卤代烷氧基、烯基、炔基、烷硫基、烷基氨基、卤素、氨基、硝基、羟基、巯基、氰基、环烷基、杂环基、芳基、杂芳基、环烷硫基、氧代基、羧基和羧酸酯基,其中,环上的任意两个或两个以上的原子可以与其他环烷基、杂环基、芳基和杂芳基进一步并环连接。
术语“芳基”是指芳香环状烃类化合物基团,具有1-5个环,尤其指单环和双环基团,如苯基、联苯基或萘基。凡含有两个或两个以上芳香环(双环等),芳基基团的芳香环可由单键联接(如联苯),或稠合(如萘、蒽等等)。“取代芳基”是指芳基中的一个或多个位置被取代,尤其是1-3个取代基,可在任何位置上取代。典型的取代包括但不限于一个或多个以下基团:如氢,氘,卤素(例如,单卤素取代基或多卤素取代基,后者如三氟甲基或包含Cl3的烷基)、腈基、硝基、氧(如=O)、三氟甲基、三氟甲氧基、环烷基、烯基、环烯基、炔基、杂环、芳环、ORa、SRa、S(=O)Re、S(=O)2Re、P(=O)2Re、S(=O)2ORe,P(=O)2ORe、NRbRc、NRbS(=O)2Re、NRbP(=O)2Re、S(=O)2NRbRc、P(=O)2NRbRc、C(=O)ORd、C(=O)Ra、C(=O)NRbRc、OC(=O)Ra、OC(=O)NRbRc、NRbC(=O)ORe,NRdC(=O)NRbRc、NRdS(=O)2NRbRc、NRdP(=O)2NRbRc、NRbC(=O)Ra、或NRbP(=O)2Re,其中在此出现的Ra可以独立表示氢、氘、烷基、环烷基、烯基、环烯基、炔基、杂环或芳环,Rb、Rc和Rd可以独立表示氢、氘、烷基、环烷基、杂环或芳环,或者说Rb和Rc与N原子一起可以形成杂环;Re可以独立表示氢、氘、烷基、环烷基、烯基、环烯基、炔基、杂环或芳环。上述典型的取代基可以任选取代。典型的取代还包括稠环取代基,尤其是稠环烷基、稠环烯基、稠环杂环基或稠环芳环基,上述环烷基、环烯基、杂环基和杂环芳基可以任选取代。
术语“杂芳基”指包含1-4个杂原子、5-14个环原子的杂芳族体系,其中杂原子选自氧、氮和硫。杂芳基优选5至10元环,更优选为5元或6元,例如吡咯基、吡唑基、咪唑基、噁唑基、异噁唑基、噻唑基、噻二唑基、异噻唑基、呋喃基、吡啶基、吡嗪基、嘧啶基、哒嗪基、三氮嗪基、三氮唑基及四氮唑基等。“杂芳基”可以是取代的或者未取代的,当被取代时,取代基优选为一个或多个以下基团,其独立地选自烷基、氘代烷基、卤代烷基、烷氧基、卤代烷氧基、烯基、炔基、烷硫基、烷基氨基、卤素、氨基、硝基、羟基、巯基、氰基、环烷基、杂环基、芳基、杂芳基、环烷硫基、氧代基、羧基和羧酸酯基。
术语“卤素”或“卤”是指氯、溴、氟、碘。
术语“卤代”是指被卤素取代。
术语“氘代”是指被氘取代。
术语“羟基”是指带有结构OH的基团。
术语“硝基”是指带有结构NO2的基团。
术语“氰基”是指带有结构CN的基团。
术语“酯基”是指带有结构-COOR的基团,其中R代表氢、烷基或取代的烷基、环烷基或取代的环烷基、环烯基或取代的环烯基、芳基或取代的芳基、杂环或取代的杂环。
术语“胺基”是指带有结构-NRR'的基团,其中R和R'可以独立的代表氢、烷基或取代的烷基、环烷基或取代的环烷基、环烯基或取代的环烯基、芳基或取代的芳基、杂环或取代的杂环,如上文所定义。R和R'在二烷基胺片段中可以相同或不同。
术语“酰胺基”是指带有结构-CONRR'的基团,其中R和R'可以独立的代表氢、烷基或取代的烷基、环烷基或取代的环烷基、环烯基或取代的环烯基、芳基或取代的芳基、杂环或取代的杂环,如上文所定义。R和R'在二烷基胺片段中可以相同或不同。
术语“磺酰胺基”是指带有结构-SO2NRR'的基团,其中R和R'可以独立的代表氢、烷基或取代的烷基、环烷基或取代的环烷基、环烯基或取代的环烯基、芳基或取代的芳基、杂环或取代的杂环,如上文所定义。R和R'在二烷基胺片段中可以相同或不同。
术语“脲基”是指带有结构-NRCONR'R"的基团,其中R、R'和R"可以独立的代表氢、烷基或取代的烷基、环烷基或取代的环烷基、环烯基或取代的环烯基、芳基或取代的芳基、杂环或取代的杂环,如上文所定义。R、R'和R"在二烷基胺片段中可以相同或不同。
术语"烷基胺基烷基"是指带有结构-RNHR'的基团,其中R和R'可以独立的代表氢、烷基或取代的烷基、环烷基或取代的环烷基、环烯基或取代的环烯基、芳基或取代的芳基、杂环或取代的杂环,如上文所定义。R和R'可以相同或不同。
术语"二烷基胺基烷基"是指带有结构-RNHR'R"的基团,其中R、R'和R"可以独立的代表烷基或取代的烷基、环烷基或取代的环烷基、环烯基或取代的环烯基、芳基或取代的芳基、杂环或取代的杂环,如上文所定义。R、R'和R"在二烷基胺片段中可以相同或不同。
术语"杂环基烷基"是指带有结构-RR'的基团,其中R可以独立的代表烷基或取代的烷基、环烷基或取代的环烷基、环烯基或取代的环烯基、芳基或取代的芳基;R'代表杂环或取代的杂环。
在本发明中,术语“取代”指特定的基团上的一个或多个氢原子被特定的取代基所取代。特定的取代基为在前文中相应描述的取代基,或各实施例中所出现的取代基。除非特别说明,某个取代的基团可以在该基团的任何可取代的位点上具有一个选自特定组的取代基,所述的取代基在各个位置上可以是相同或不同的。本领域技术人员应理解,本发明所预期的取代基的组合是那些稳定的或化学上可实现的组合。所述取代基例如(但并不限于):卤素、羟基、氰基、羧基(-COOH)、C1-C6烷基、C2-C6烯基、C2-C6炔基、C3-C8环烷基、3-至12元杂环基、芳基、杂芳基、C1-C8醛基、C2-C10酰基、C2-C10酯基、胺基、C1-C6烷氧基、C1-C10磺酰基、及C1-C6脲基等。
除非另外说明,假定任何不满价态的杂原子有足够的氢原子补充其价态。
当取代基为非末端取代基时,其为相应基团的亚基,例如烷基对应于亚烷基、环烷基对应亚环烷基、杂环基对亚杂环基、烷氧基对应亚烷氧基等。
活性成分
本发明提供了具有通式(I)结构的氘代3-氧-2,3-二氢哒嗪-4-甲酰胺类化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药:
式中:
R1选自取代的下组基团:C2-C6的烷基、C3-C10环烷基、或4-10元杂环基;其中上述C2-C6的烷基、C3-C10环烷基、或4-10元杂环基至少被一个羟基取代;
R2选自氢或氘;
R3选自取代或未取代的下组基团:C1-C3的烷基、C3-C6环烷基或4-6元杂环基;
X选自N或CR4;
R4、R5、R6、R8、R9、或R10选自氢或氘;
R7选自Cl、CF3、CHF2、OCF3、OCHF2、或N(Me)2;
其中,上述取代是指被选自下组的一个或多个基团取代:氢、氘、C1-C18烷基、氘代C1-C18烷基、卤代C1-C18烷基、卤代C1-C18烷基羟基、C3-C20环烷基、C1-C18烷氧基、氘代C1-C18烷氧基、卤代C1-C18烷氧基、C6-C14芳基、5-14元杂芳基、4-20元杂环基、卤素、硝基、羟基、氰基、酯基、胺基、酰胺基、磺酰胺基或脲基;
限定条件是R1、R2、R3、R4、R5、R6、R7、R8、R9、或R10至少有一个是氘或者含氘原子取代。
本发明中的化合物可能形成的盐也是属于本发明的范围。除非另有说明,本发明中的化合物被理解为包括其盐类。在此使用的术语“盐”,指用无机或有机酸和碱形成酸式或碱式的盐。此外,当本发明中的化合物含一个碱性片段时,它包括但不限于吡啶或咪唑,含一个酸性片段时,包括但不限于羧酸,可能形成的两性离子(“内盐”)包含在术语“盐”的范围内。药学上可接受的(即无毒,生理可接受的)盐是首选,虽然其他盐类也有用,例如可以用在制备过程中的分离或纯化步骤。本发明的化合物可能形成盐,例如,化合物I与一定量如等当量的酸或碱反应,在介质中盐析出来,或在水溶液中冷冻干燥得来。
本发明中的化合物含有的碱性片段,包括但不限于胺或吡啶或咪唑环,可能会和有机或无机酸形成盐。可以成盐的典型的酸包括醋酸盐(如用醋酸或三卤代醋酸,如三氟乙酸)、己二酸盐、藻朊酸盐、抗坏血酸盐、天冬氨酸盐、苯甲酸盐、苯磺酸盐、硫酸氢盐、硼酸盐、丁酸盐、柠檬酸盐、樟脑盐、樟脑磺酸盐、环戊烷丙酸盐、二甘醇酸盐、十二烷基硫酸盐、乙烷磺酸盐、延胡索酸盐、葡庚糖酸盐、甘油磷酸盐、半硫酸盐、庚酸盐、己酸盐、盐酸盐、氢溴酸盐、氢碘酸盐、羟基乙磺酸盐(如,2-羟基乙磺酸盐)、乳酸盐、马来酸盐、甲磺酸盐、萘磺酸盐(如,2-萘磺酸盐)、烟酸盐、硝酸盐、草酸盐、果胶酸盐、过硫酸盐、苯丙酸盐(如3-苯丙酸盐)、磷酸盐、苦味酸盐、新戊酸盐、丙酸盐,水杨酸盐、琥珀酸盐、硫酸盐(如与硫酸形成的)、磺酸盐、酒石酸盐、硫氰酸盐、甲苯磺酸盐如对甲苯磺酸盐、十二烷酸盐等等
本发明的某些化合物可能含有的酸性片段,包括但不限于羧酸,可能会和各种有机或无机碱形成盐。典型的碱形成的盐包括铵盐、碱金属盐如钠、锂、钾盐,碱土金属盐如钙、镁盐,和有机碱形成的盐(如有机胺),如苄星、二环已基胺、海巴胺(与N,N-二(去氢枞基)乙二胺形成的盐)、N-甲基-D-葡糖胺、N-甲基-D-葡糖酰胺、叔丁基胺,以及和氨基酸如精氨酸、赖氨酸等等形成的盐。碱性含氮基团可以与卤化物季铵盐,如小分子烷基卤化物(如甲基、乙基、丙基和丁基的氯化物、溴化物及碘化物),二烷基硫酸盐(如,硫酸二甲酯、二乙酯,二丁酯和二戊酯),长链卤化物(如癸基、十二烷基、十四烷基和十四烷基的氯化物、溴化物及碘化物),芳烷基卤化物(如苄基和苯基溴化物)等等。
本发明中化合物的前药及溶剂合物也在涵盖的范围之内。此处术语“前药”是指一种化合物,在治疗相关疾病时,经过代谢或化学过程的化学转化而产生本发明中的化合物、盐、或溶剂合物。本发明的化合物包括溶剂合物,如水合物。
本发明中的化合物、盐或溶剂合物,可能存在的互变异构形式(例如酰胺和亚胺醚)。所有这些互变异构体都是本发明的一部分。
所有化合物的立体异构体(例如,那些由于对各种取代可能存在的不对称碳原子),包括其对映体形式和非对映形式,都属于本发明的设想范围。本发明中的化合物独立的立体异构体可能不与其他异构体同时存在(例如,作为一个纯的或者实质上是纯的光学异构体具有特殊的活性),或者也可能是混合物,如消旋体,或与所有其他立体异构体或其中的一部分形成的混合物。本发明的手性中心有S或R两种构型,由理论与应用化学国际联合会(IUPAC)1974年建议定义。外消旋形式可通过物理方法解决,例如分步结晶,或通过衍生为非对映异构体分离结晶,或通过手性柱色谱法分离。单个的光学异构体可通过合适的方法由外消旋体得到,包括但不限于传统的方法,例如与光学活性酸成盐后再结晶。
本发明中的化合物,依次通过制备、分离纯化获得的该化合物其重量含量等于或大于90%,例如,等于或大于95%,等于或大于99%(“非常纯”的化合物),在正文描述列出。此处这种“非常纯”本发明的化合物也作为本发明的一部分。
本发明的化合物所有的构型异构体都在涵盖的范围之内,无论是混合物、纯的或非常纯的形式。在本发明化合物的定义包含顺式(Z)和返式(E)两种烯烃异构体,以及碳环和杂环的顺式和反式异构体。
在整个说明书中,基团和取代基可以被选择以提供稳定的片段和化合物。
特定官能团和化学术语定义都详细介绍如下。对本发明来说,化学元素与Periodic Table of the Elements,CAS version,Handbook of Chemistry and Physics,75th Ed.中定义的一致。特定官能团的定义也在其中描述。此外,有机化学的基本原则以及特定官能团和反应性在“Organic Chemistry”,Thomas Sorrell,University ScienceBooks,Sausalito:1999,也有说明,其全部内容纳入参考文献之列。
本发明的某些化合物可能存在于特定的几何或立体异构体形式。本发明涵盖所有的化合物,包括其顺式和反式异构体、R和S对映异构体、非对映体、(D)型异构体、(L)型异构体、外消旋混合物和其它混合物。另外不对称碳原子可表示取代基,如烷基。所有异构体以及它们的混合物,都包涵在本发明中。
按照本发明,同分异构体的混合物含有异构体的比率可以是多样的。例如,在只有两个异构体的混合物可以有以下组合:50:50,60:40,70:30,80:20,90:10,95:5,96:4,97:3,98:2,99:1,或100:0,异构体的所有比率都在本发明范围之内。本专业内一般技术人员容易理解的类似的比率,及为更复杂的异构体的混合物的比率也在本发明范围之内。
本发明还包括同位素标记的化合物,等同于原始化合物在此公开。不过实际上对一个或更多的原子被与其原子量或质量序数不同的原子取代通常会出现。可以列为本发明的化合物同位素的例子包括氢,碳,氮,氧,磷,硫,氟和氯同位素,分别如2H、3H、13C、11C、14C、15N、18O、17O、31P、32P、35S、18F和36Cl。本发明中的化合物,或对映体,非对映体,异构体,或药学上可接受的盐或溶剂化物,其中含有上述化合物的同位素或其他同位素原子都在本发明的范围之内。本发明中某些同位素标记化合物,例如3H和14C的放射性同位素也在其中,在药物和底物的组织分布实验中是有用的。氚,即3H和碳-14,即14C,它们的制备和检测比较容易。是同位素中的首选。此外,较重同位素取代如氘,即2H,由于其很好的代谢稳定性在某些疗法中有优势,例如在体内增加半衰期或减少用量,因此,在某些情况下可以优先考虑。同位素标记的化合物可以用一般的方法,通过用易得的同位素标记试剂替换为非同位素的试剂,用批露在示例中的方案可以制备。
如果要设计一个本发明的化合物特定的对映体的合成,它可以不对称合成制备,或用手性辅剂衍生化,将所产生的非对映混合物分离,再除去手性辅剂而得到纯的对映体。另外,如果分子中含有一个碱性官能团,如氨基酸,或酸性官能团,如羧基,可以用合适的光学活性的酸或碱的与之形成非对映异构体盐,再通过分离结晶或色谱等常规手段分离,然后就得到了纯的对映体。
如本文所述,本发明中的化合物可与任何数量取代基或官能团取而扩大其包涵范围。通常,术语“取代”不论在术语“可选”前面或后面出现,在本发明配方中包括取代基的通式,是指用指定结构取代基,代替氢自由基。当特定结构中的多个在位置被多个特定的取代基取代时,取代基每一个位置可以是相同或不同。本文中所使用的术语“取代”包括所有允许有机化合物取代。从广义上讲,允许的取代基包括非环状的、环状的、支链的非支链的、碳环的和杂环的,芳环的和非芳环的有机化合物。在本发明中,如杂原子氮可以有氢取代基或任何允许的上文所述的有机化合物来补充其价态。此外,本发明是无意以任何方式限制允许取代有机化合物。本发明认为取代基和可变基团的组合在以稳定化合物形式在疾病的治疗上是很好的,例如传染病或增生性疾病。此处术语“稳定”是指具有稳定的化合物,在足够长的时间内检测足以维持化合物结构的完整性,最好是在足够长的时间内都在效,本文在此用于上述目的。
本申请所涉及的化合物及其药学可接受的盐的代谢产物,以及可以在体内转变为本申请所涉及的化合物及其药学可接受的盐的结构的前药,也包含在本申请的权利要求中。
制备方法
下面更具体地描述本发明式(I)结构化合物的制备方法,但这些具体方法不对本发明构成任何限制。本发明化合物还可以任选将在本说明书中描述的或本领域已知的各种合成方法组合起来而方便地制得,这样的组合可由本发明所属领域的技术人员容易地进行。
典型地,本发明化合物的制备工艺流程如下,其中所用原料和试剂如无特殊说明,均可通过商业途径购买。
(i)在第一种碱(如醋酸钠)存在下,式(P-1)化合物与式(Q)化合物反应,得到式X-2化合物;
(ii)在铜盐(如CuCl2)存在下,式(P-2)化合物发生脱氢反应,得到生成式(P-3)化合物;
(iii)在第二种碱(如LiOH)存在下,式(P-3)化合物水解得到式(P-4)化合物;
(iv)式(P-4)化合物与胺(R1H)反应,得到式(I)化合物;
式中,R1、R2、R3、R5、R6、R7、R8、R9、R10、及X定义如上文中所述。
药物组合物和施用方法
本发明所述的药物组合物用于预防和/或治疗以下疾病:炎症、癌症、心血管疾病、感染、免疫性疾病、代谢性疾病。
通式(I)所述化合物可以与已知的治疗或改进相似病状的其他药物联用。联合给药时,原来药物的给药方式和剂量可以保持不变,而同时或随后服用式I的化合物。当式I化合物与其它一种或几种药物同时服用时,可以优选使用同时含有一种或几种已知药物和式I化合物的药用组合物。药物联用也包括在重叠的时间段服用式I化合物与其它一种或几种已知药物。当式I化合物与其它一种或几种药物进行药物联用时,式I化合物或已知药物的剂量可能比它们单独用药的剂量低。
可以与通式(I)所述化合物进行药物联用的药物或活性成分包括但不局限为:PD-1抑制剂(如nivolumab、pembrolizumab、pidilizumab、cemiplimab、JS-001、SHR-120、BGB-A317、IBI-308、GLS-010、GB-226、STW204、HX008、HLX10、BAT 1306、AK105、LZM 009或上述药物的生物类似药等)、PD-L1抑制剂(如durvalumab、atezolizumab、avelumab、CS1001、KN035、HLX20、SHR-1316、BGB-A333、JS003、CS1003,KL-A167、F 520、GR1405、MSB2311或上述药物的生物类似药等)、CD20抗体(如rituximab、obinutuzumab、ofatumumab、veltuzumab、tositumomab、131I-tositumomab、ibritumomab、90Y-ibritumomab、90In-ibritumomab、ibritumomab tiuxetan等)、CD47抗体(如Hu5F9-G4、CC-90002、TTI-621、TTI-622,OSE-172、SRF-231、ALX-148、NI-1701、SHR-1603、IBI188、IMM01)、ALK抑制剂(如Ceritinib、Alectinib、Brigatinib、Lorlatinib、奥卡替尼)、PI3K抑制剂(如Idelalisib、Duvelisib、Dactolisib、Taselisib、Bimiralisib、Omipalisib、Buparlisib等)、BTK抑制剂(如Ibrutinib、Tirabrutinib、Acalabrutinib、Zanubrutinib、Vecabrutinib等)、EGFR抑制剂(如Afatinib、Gefitinib、Erlotinib、Lapatinib、Dacomitinib、Icotinib、Canertinib、Sapitinib、Naquotinib、Pyrotinib、Rociletinib、Osimertinib等)、VEGFR抑制剂(如Sorafenib、Pazopanib、Regorafenib、Sitravatinib、Ningetinib、Cabozantinib、Sunitinib、多纳非尼等)、HDAC抑制剂(如Givinostat、Tucidinostat、Vorinostat、Fimepinostat、Droxinostat、Entinostat、Dacinostat、Quisinostat、Tacedinaline等)、CDK抑制剂(如Palbociclib、Ribociclib、Abemaciclib、Milciclib、Trilaciclib、Lerociclib等)、MEK抑制剂(如Selumetinib(AZD6244)、Trametinib(GSK1120212)、PD0325901、U0126、Pimasertib(AS-703026)、PD184352(CI-1040)等)、mTOR抑制剂(如Vistusertib等)、SHP2抑制剂(如RMC-4630、JAB-3068、TNO155等)或其组合。
本发明所述药物组合物的剂型包括(但并不限于):注射剂、片剂、胶囊剂、气雾剂、栓剂、膜剂、滴丸剂、外用擦剂、控释型或缓释型或纳米制剂。
本发明的药物组合物包含安全有效量范围内的本发明化合物或其药理上可接受的盐及药理上可以接受的赋形剂或载体。其中“安全有效量”指的是:化合物的量足以明显改善病情,而不至于产生严重的副作用。通常,药物组合物含有1-2000mg本发明化合物/剂,更佳地,含有10-1000mg本发明化合物/剂。较佳地,所述的“一剂”为一个胶囊或药片。
“药学上可以接受的载体”指的是:一种或多种相容性固体或液体填料或凝胶物质,它们适合于人使用,而且必须有足够的纯度和足够低的毒性。“相容性”在此指的是组合物中各组份能和本发明的化合物以及它们之间相互掺和,而不明显降低化合物的药效。药学上可以接受的载体部分例子有纤维素及其衍生物(如羧甲基纤维素钠、乙基纤维素钠、纤维素乙酸酯等)、明胶、滑石、固体润滑剂(如硬脂酸、硬脂酸镁)、硫酸钙、植物油(如豆油、芝麻油、花生油、橄榄油等)、多元醇(如丙二醇、甘油、甘露醇、山梨醇等)、乳化剂(如)、润湿剂(如十二烷基硫酸钠)、着色剂、调味剂、稳定剂、抗氧化剂、防腐剂、无热原水等。
本发明化合物或药物组合物的施用方式没有特别限制,代表性的施用方式包括(但并不限于):口服、瘤内、直肠、肠胃外(静脉内、肌肉内或皮下)、和局部给药。
用于口服给药的固体剂型包括胶囊剂、片剂、丸剂、散剂和颗粒剂。在这些固体剂型中,活性化合物与至少一种常规惰性赋形剂(或载体)混合,如柠檬酸钠或磷酸二钙,或与下述成分混合:(a)填料或增容剂,例如,淀粉、乳糖、蔗糖、葡萄糖、甘露醇和硅酸;(b)粘合剂,例如,羟甲基纤维素、藻酸盐、明胶、聚乙烯基吡咯烷酮、蔗糖和阿拉伯胶;(c)保湿剂,例如,甘油;(d)崩解剂,例如,琼脂、碳酸钙、马铃薯淀粉或木薯淀粉、藻酸、某些复合硅酸盐、和碳酸钠;(e)缓溶剂,例如石蜡;(f)吸收加速剂,例如,季胺化合物;(g)润湿剂,例如鲸蜡醇和单硬脂酸甘油酯;(h)吸附剂,例如,高岭土;和(i)润滑剂,例如,滑石、硬脂酸钙、硬脂酸镁、固体聚乙二醇、十二烷基硫酸钠,或其混合物。胶囊剂、片剂和丸剂中,剂型也可包含缓冲剂。
固体剂型如片剂、糖丸、胶囊剂、丸剂和颗粒剂可采用包衣和壳材制备,如肠衣和其它本领域公知的材料。它们可包含不透明剂,并且,这种组合物中活性化合物或化合物的释放可以延迟的方式在消化道内的某一部分中释放。可采用的包埋组分的实例是聚合物质和蜡类物质。必要时,活性化合物也可与上述赋形剂中的一种或多种形成微胶囊形式。
用于口服给药的液体剂型包括药学上可接受的乳液、溶液、悬浮液、糖浆或酊剂。除了活性化合物外,液体剂型可包含本领域中常规采用的惰性稀释剂,如水或其它溶剂,增溶剂和乳化剂,例知,乙醇、异丙醇、碳酸乙酯、乙酸乙酯、丙二醇、1,3-丁二醇、二甲基甲酰胺以及油,特别是棉籽油、花生油、玉米胚油、橄榄油、蓖麻油和芝麻油或这些物质的混合物等。
除了这些惰性稀释剂外,组合物也可包含助剂,如润湿剂、乳化剂和悬浮剂、甜味剂、矫味剂和香料。
除了活性化合物外,悬浮液可包含悬浮剂,例如,乙氧基化异十八烷醇、聚氧乙烯山梨醇和脱水山梨醇酯、微晶纤维素、甲醇铝和琼脂或这些物质的混合物等。
用于肠胃外注射的组合物可包含生理上可接受的无菌含水或无水溶液、分散液、悬浮液或乳液,和用于重新溶解成无菌的可注射溶液或分散液的无菌粉末。适宜的含水和非水载体、稀释剂、溶剂或赋形剂包括水、乙醇、多元醇及其适宜的混合物。
用于局部给药的本发明化合物的剂型包括软膏剂、散剂、贴剂、喷射剂和吸入剂。活性成分在无菌条件下与生理上可接受的载体及任何防腐剂、缓冲剂,或必要时可能需要的推进剂一起混合。
本发明治疗方法可以单独施用,或者与其它治疗手段或者治疗药物联用。
使用药物组合物时,是将安全有效量的本发明化合物适用于需要治疗的哺乳动物(如人),其中施用时剂量为药学上认为的有效给药剂量,对于60kg体重的人而言,日给药剂量通常为1~2000mg,优选50~1000mg。当然,具体剂量还应考虑给药途径、病人健康状况等因素,这些都是熟练医师技能范围之内的。
本发明还提供了一种药物组合物的制备方法,包括步骤:将药学上可接受的载体与本发明所述通式(I)化合物或其晶型、药学上可接受的盐、水合物或溶剂合物进行混合,从而形成药物组合物。
本发明还提供了一种治疗方法,它包括步骤:给需要治疗的对象施用本发明中所述通式(I)化合物,或其晶型、药学上可接受的盐、水合物或溶剂合物,或施用本发明所述的药物组合物,用于选择性地抑制AhR。
与现有技术相比,本发明具有以下主要优点:
(1)所述化合物对AhR具有很好的选择性抑制作用;
(2)所述化合物具有更好的体内外药效学、药代动力学性能和更低的毒副作用。
下面结合具体实施例,进一步阐述本发明。应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。下列实施例中未注明具体条件的实验方法,通常按照常规条件如Sambrook等人,分子克隆:实验室手册(New York:Cold Spring Harbor LaboratoryPress,1989)中所述的条件,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。
除非另行定义,文中所使用的所有专业与科学用语与本领域熟练人员所熟悉的意义相同。此外,任何与所记载内容相似或均等的方法及材料皆可应用于本发明方法中。文中所述的较佳实施方法与材料仅作示范之用。
本发明的化合物结构是通过核磁共振(NMR)和液质联用色谱(LC-MS)来确定的。
NMR是使用Bruker AVANCE-400核磁仪检测的,测定溶剂包含氘代二甲亚砜(DMSO-d6)、氘代丙酮(CD3COCD3)、氘代氯仿(CDCl3)及氘代甲醇(CD3OD)等,内标采用四甲基硅烷(TMS),化学位移以百万分之一(ppm)的单位计量。
液质联用色谱(LC-MS)是使用Waters SQD2质谱仪检测的。HPLC的测定使用Agilent1100高压色谱仪(Microsorb 5micron C18 100x 3.0mm色谱柱)。
薄层层析硅胶板使用青岛GF254硅胶板,TLC采用的是0.15-0.20mm,制备薄层色谱采用的是0.4mm-0.5mm。柱层析一般使用青岛硅胶200-300目硅胶作为载体。
本发明实施例中的起始原料都是已知并有市售的,或者可以采用或按照本领域已报道的文献资料合成的。
除特殊说明外,本发明所有反应均在干燥的惰性气体(如氮气或氩气)保护下通过连续磁力搅拌进行,反应温度均为摄氏度。
实施例
实施例1中间体的制备
实施例1-1 4-肼基-1-(甲基-d3)-1H-吡唑的合成
第一步:4-溴-1-(甲基-d3)-1H-吡唑的制备
将4-溴吡唑(3.90g,26.50mmol)溶于无水四氢呋喃(39mL)中,冰水浴冷却至5℃,随后分批加入钠氢(wt%:60%,1.22g,30.50mmol)。加完后反应液升至室温搅拌30min,随后降至5℃后加入氘代碘甲烷(5.0g,34.49mmol)。得到的反应液在室温搅拌16h后真空浓缩至干。残余物用甲基叔丁基醚(30mL)打浆后过滤,滤饼用甲基叔丁基醚淋洗,将滤液浓缩得到目标产物(3.5g)。无需纯化,直接用于下一步反应。
第二步:1-(1-(甲基-d3)-1H-吡唑-4-基)肼-1,2-二甲酸二叔丁酯的制备
将4-溴-1-(甲基-d3)-1H-吡唑(3.5g,21.3mmol)加入到THF(50mL)中,冷却至-65℃,随后滴加正丁基锂溶液(2.5M,10mL,25.56mmol)。加完后反应液保持温度搅拌0.5h,随后将(E)-二氮烯-1,2-二甲酸二叔丁酯(5.2g,22.4mmol)的THF溶液(50mL)滴加进反应瓶中,控制温度不高于-60℃。加完后反应液保持温度搅拌2h,然后用氯化铵水溶液淬灭反应。得到的混合物升至室温,加入100毫升水,随后用乙酸乙酯萃取两次。合并的有机相用饱和氯化钠洗一次,经无水硫酸钠干燥后浓缩干。得到的残余物用乙酸乙酯/石油醚打浆得到目标产物(1.6g)。;
LC-MS:m/z 316(M+H)+。
第三步:4-肼基-1-(甲基-d3)-1H-吡唑的制备
将1-(1-(甲基-d3)-1H-吡唑-4-基)肼-1,2-二甲酸二叔丁酯(1.6g,5.07mmol)中加入HCl/dioxane(4N,40mL)中,室温搅拌16h,随后加热至55℃搅拌4h。得到的反应液真空浓缩干得到固体目标产物(1.2g)。无需纯化,直接用于下一步反应。
LC-MS:m/z 116(M+H)+。
实施例2
第一步:6-(4-氯苯基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3,4,5-四氢哒嗪-4-甲酸甲酯的制备
将2-(2-(4-氯苯基)-2-氧乙基)丙二酸二甲酯(809mg,2.84mmol)加入到乙酸(12mL)中,随后依次加入醋酸钠(746mg,9.09mmol)和4-肼基-1-(甲基-d3)-1H-吡唑(641mg,3.41mmol)。加完后反应液在室温搅拌1h,然后50度搅拌过夜。得到的反应液浓缩后,加入过量碳酸氢钠溶液调pH为8,然后用乙酸乙酯(3x 30mL)萃取。合并的有机相用饱和氯化钠洗一次,然后用无水硫酸钠干燥后浓缩干。残余物用制备液相分离得到目标产物(357mg,产率36%)。
LC-MS:m/z 350(M+H)+。
第二步:6-(4-氯苯基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酸甲酯的制备
将6-(4-氯苯基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3,4,5-四氢哒嗪-4-甲酸甲酯(357mg,1.02mmol)加入到乙腈(16mL)中,加入无水氯化铜(411mg,3.06mmol)。加完后反应升温至90℃搅拌2h。混合物降至室温,减压浓缩除去溶剂。残余物用水打浆得到目标产物(230mg,产率64.7%)。无需进一步纯化,直接用于下一步反应。
LC-MS:m/z 348(M+H)+。
第三步:6-(4-氯苯基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酸的制备
将6-(4-氯苯基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酸甲酯(230.0mg,0.66mmol)溶于THF(3.0mL)中,再将LiOH·H2O(83.0mg,1.99mmol)的水溶液(0.6mL)滴加到反应体系中。得到的反应液在室温搅拌1.0h,然后过滤除去不溶物,用THF洗涤固体。合并的滤液浓缩后用HCl水溶液(1M)调节pH至3-4,然后用乙酸乙酯萃取(3x10mL)。合并的有机相用饱和食盐水洗涤,经无水硫酸钠干燥后减压浓缩得到目标产物(197.0mg,产率89.4%)。无需进一步纯化,直接用于下一步反应。
LC-MS:m/z 334(M+H)+。
第四步:(S)-6-(4-氯苯基)-N-(1-羟基丙烷-2-基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
将6-(4-氯苯基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酸(197.0mg,0.59mmol)溶于DMF(4.0mL)中,依次加入L-氨基丙醇(97.5mg,1.3mmol)、DIPEA(0.3mL,1.95mmol)和HATU(493.8mg,1.3mmol)。反应液在室温搅拌15min,然后加入水(15mL)淬灭后用乙酸乙酯萃取(3x 10mL)。合并的有机相用饱和食盐水洗涤,经无水硫酸钠干燥后减压浓缩。得到的残余物用液相分离得目标产物(115.0mg,产率50%)。
LC-MS:m/z 391(M+H)+。1H NMR(400MHz,DMSO)δ9.52(d,J=7.8Hz,1H),8.56(d,J=9.5Hz,2H),8.17–7.98(m,3H),7.59(d,J=8.5Hz,2H),4.96(s,1H),4.06(s,1H),3.48(m,2H),1.19(d,J=6.6Hz,3H).
按照实施例2的方法,以不同的起始原料合成了以下化合物:
实施例3 6-(4-氯苯基)-N-((反式)-2-羟基环己基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 431(M+H)+。1H NMR(400MHz,DMSO)δ9.51(d,J=7.7Hz,1H),8.57(d,J=7.8Hz,2H),8.19–8.01(m,3H),7.60(d,J=8.6Hz,2H),4.84(d,J=5.1Hz,1H),3.74–3.58(m,1H),3.38(m,1H),2.10–1.92(m,1H),1.88(d,J=8.7Hz,1H),1.64(m,2H),1.39–1.11(m,4H).
实施例4 6-(4-氯苯基)-N-((反式)-3-羟基四氢-2H-吡喃-4-基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 433(M+H)+。1H NMR(400MHz,DMSO)δ9.55(d,J=7.3Hz,1H),8.57(d,J=8.5Hz,2H),8.22–7.96(m,3H),7.60(d,J=8.4Hz,2H),5.17(d,J=5.4Hz,1H),3.95–3.69(m,3H),3.52–3.34(m,2H),3.11(m,1H),2.03(m,1H),1.51(m,1H).
实施例5 6-(4-氯苯基)-N-((反式)-2-羟基环戊基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 417(M+H)+。1H NMR(400MHz,DMSO)δ9.44(d,J=7.4Hz,1H),8.55(d,J=3.6Hz,2H),8.14–7.97(m,3H),7.60(d,J=8.6Hz,2H),4.96(d,J=4.3Hz,1H),4.12–3.85(m,2H),2.07(m,1H),1.91–1.80(m,1H),1.78–1.60(m,2H),1.60–1.34(m,2H).
实施例6 6-(4-氯苯基)-N-((反式)-4-羟基四氢呋喃-3-基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 419(M+H)+。1H NMR(400MHz,DMSO)δ9.56(d,J=7.4Hz,1H),8.56(s,2H),8.10(d,J=9.2Hz,3H),7.60(d,J=8.6Hz,2H),5.50(d,J=3.8Hz,1H),4.26(dd,J=6.9,5.0Hz,1H),4.20(s,1H),3.99(dd,J=9.2,4.8Hz,1H),3.93(dd,J=9.6,4.6Hz,1H),3.68(dd,J=9.2,1.8Hz,1H),3.56(dd,J=9.6,1.7Hz,1H).
实施例7(S)-6-(4-氯苯基)-N-(1-羟基丙烷-2-基-1,1-d2)-2-(1-甲基-1H-吡唑-4-yl)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 390(M+H)+。1HNMR(400M,CDCl3)9.81(d,J=8.0Hz,1H),8.68(s,1H),8.35(s,1H),8.12(s,1H),7.88(d,J=8.0Hz,2H),7.50(d,J=8.0Hz,2H),4.29(m,1H),3.98(s,3H),1.34(d,J=4Hz,3H).
实施例8(S)-6-(4-氯苯基)-N-(1-羟基丙烷-2-基-1,1-d2)-2-(1-(甲基-d3)-1H-吡唑-4-yl)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 393(M+H)+。1H NMR(400MHz,DMSO)δ9.52(d,J=7.8Hz,1H),8.57(d,J=9.1Hz,2H),8.16–8.03(m,3H),7.60(d,J=8.6Hz,2H),4.91(s,1H),4.04(p,J=6.7Hz,1H),1.19(d,J=6.7Hz,3H).
实施例9(S)-6-(4-氯苯基)-N-(1-羟基丙烷-2-基)-2-(1-甲基-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-5-d-4-甲酰胺的制备
LC-MS:m/z 389(M+H)+。1H NMR(400MHz,DMSO)δ9.52(d,J=7.9Hz,1H),8.58(s,1H),8.14–8.04(m,3H),7.60(d,J=8.5Hz,2H),4.95(t,J=5.2Hz,1H),4.06(m,1H),3.93(s,3H),3.48(s,2H),1.19(d,J=6.7Hz,3H).
实施例10(S)-6-(4-氯苯基)-N-(1-羟基丙烷-2-基-1,1-d2)-2-(1-甲基-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-5-d-4-甲酰胺的制备
LC-MS:m/z 391(M+H)+。
实施例11(S)-6-(4-氯苯基)-N-(1-羟基-3-甲基丁烷-2-基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 419(M+H)+。1H NMR(400MHz,DMSO)δ9.53(d,J=9.2Hz,1H),8.59(d,J=9.1Hz,2H),8.19–8.02(m,3H),7.61(d,J=8.6Hz,2H),4.83(t,J=5.3Hz,1H),3.87(m,1H),3.58(m,1H),3.48(m,1H),2.00(m,1H),1.01–0.88(m,6H).
实施例12(S)-6-(4-氯苯基)-N-(1-环丙基-2-羟基乙基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 417(M+H)+。1H NMR(400MHz,DMSO)δ9.66(d,J=8.6Hz,1H),8.58(d,J=6.7Hz,2H),8.22–8.00(m,3H),7.60(d,J=8.6Hz,2H),4.94(t,J=5.3Hz,1H),3.69–3.53(m,2H),3.46(m,1H),1.17–1.03(m,1H),0.53–0.23(m,4H).
实施例13(S)-6-(4-氯苯基)-N-(1-羟基丙烷-2-基-1,1,2,3,3,3-d6)-2-(1-甲基-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 394(M+H)+。
实施例14(S)-6-(4-氯苯基)-N-(1-羟基丙烷-2-基-1,1,2,3,3,3-d6)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 397(M+H)+。
实施例15(S)-6-(4-氯苯基-2,3,5,6-d4)-N-(1-羟基丙烷-2-基)-2-(1-甲基-1H-吡唑-4-基)-3-甲酰基-2,3-二氢哒嗪-4-甲酰胺的制备
第一步:2-氯-1-(4-氯苯基-2,3,5,6-d4)乙基-1-酮的制备
在圆底烧瓶中依次加入化合物1-氯苯-2,3,4,5,6-d5(5g,42.5mmol)和二氯甲烷(35mL)。反应液冰浴冷至0℃,随后加入化合物氯乙酰氯(5.8g,51mmol),最后加入三氯化铝(9g,68mmol)。得到的反应液在0℃反应2小时,随后加入到冰水中淬灭,再用二氯甲烷萃取。合并的有机相用无水硫酸镁干燥过滤,然后浓缩得目标化合物(7.4g,产率90.7%)。无需纯化,直接用于下一步反应。
LC-MS:m/z 191(M-H)-。
第二步:2-(2-(4-氯苯基-2,3,5,6-d4)-2-甲酰甲基)丙二酸二甲酯的制备
在圆底烧瓶中依次加入化合物2-氯-1-(4-氯苯基-2,3,5,6-d4)乙基-1-酮(7.4g,38mmol)、丙二酸二甲酯(25g,191mmol)、碳酸钾(26g,191mmol)和丙酮(150mL)。反应液在室温反应20小时后浓缩。残余物加水后用乙酸乙酯萃取。合并的有机相用无水硫酸镁干燥过滤,然后浓缩。所得粗品用硅胶柱层析分离(乙酸乙酯/石油醚=1/5)得到目标化合物(9.3g,产率84.7%)。
LC-MS:m/z 289(M+H)+。
第三步:6-(4-氯苯基-2,3,5,6-d4)-2-(1-甲基-1H-吡唑-4-基)-3-甲酰基-2,3,4,5-四氢哒嗪-4-甲酸甲酯的制备
在圆底烧瓶中依次加入化合物2-(2-(4-氯苯基-2,3,5,6-d4)-2-甲酰甲基)丙二酸二甲酯(130mg,0.45mmol)\4-肼-1-甲基-1H-吡唑二盐酸盐(100mg,0.54mmol)、乙酸钠(118mg,1.44mmol)和乙酸(3mL)。反应液在室温反应1小时,再升温至50℃反应20小时。得到的反应液浓缩后加水,随后调pH至8,再用乙酸乙酯萃取。合并的有机相用无水硫酸镁干燥过滤,然后浓缩。所得粗品硅胶柱分离(乙酸乙酯/石油醚=1/3)得目标化合物(47mg,产率29.8%)。
LC-MS:m/z 351(M+H)+。
第四步:6-(4-氯苯基-2,3,5,6-d4)-2-(1-甲基-1H-吡唑-4-基)-3-甲酰基-2,3-二氢哒嗪-4-甲酸甲酯的制备
在圆底烧瓶中依次加入化合物6-(4-氯苯基-2,3,5,6-d4)-2-(1-甲基-1H-吡唑-4-基)-3-甲酰基-2,3,4,5-四氢哒嗪-4-甲酸甲酯(47mg,0.13mmol)、氯化铜(54mg,0.40mmol)和乙腈(4mL)。反应液升温至90℃反应4小时,再浓缩,随后加水。得到的混合物搅拌后过滤,滤饼用水洗后干燥得目标化合物(50mg,定量产率)。
LC-MS:m/z 349(M+H)+。
第五步:(S)-6-(4-氯苯基-2,3,5,6-d4)-N-(1-羟基丙烷-2-基)-2-(1-甲基-1H-吡唑-4-基)-3-甲酰基-2,3-二氢哒嗪-4-甲酰胺的制备
在圆底烧瓶中依次加入化合物6-(4-氯苯基-2,3,5,6-d4)-2-(1-甲基-1H-吡唑-4-基)-3-甲酰基-2,3-二氢哒嗪-4-甲酸甲酯(50mg,0.14mmol)、L-氨基丙醇(16mg,0.22mmol)和二氯乙烷(1mL)。反应液在50℃反应3小时随后浓缩,残余物经制备液相分离得到目标化合物(27mg,产率49.2%)。
LC-MS:m/z 392(M+H)+。1H NMR(400MHz,DMSO-d6)δ9.52(d,J=8.0Hz,1H),8.58(s,1H),8.56(s,1H),8.12(s,1H),4.95(t,J=5.2Hz,1H),4.10-4.01(m,1H),3.93(s,3H),3.49-3.46(m,2H),1.19(d,J=6.8Hz,3H).
按照实施例15的方法,以不同的起始原料合成了以下化合物:
实施例16(S)-6-(4-氯苯基-2,3,5,6-d4)-N-(1-羟基丙烷-2-基)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 395(M+H)+。
实施例17(S)-6-(4-氯苯基-2,3,5,6-d4)-N-(1-羟基丙烷-2-基-1,1-d2)-2-(1-(甲基-d3)-1H-吡唑-4-基)-3-氧-2,3-二氢哒嗪-4-甲酰胺的制备
LC-MS:m/z 397(M+H)+。
实施例18生物学测试评价
以下生物学测试例进一步描述解释本发明,但这些实例并非意味着限制本发明的范围。
AhR-内酰胺酶的拮抗实验
试剂的制备
(1)育种培养基:Opti-MEM,5%FBS,1uM sodium Pyruvate,0.1mM NEAA,4℃保存。
(2)实验培养基:Opti-MEM,0.1%BSA,1uM sodium Pyruvate,0.1mM NEAA,4℃保存.
实验步骤:
第一天:
涂覆试验板(试验前一天)
1)将25mg多聚-L-赖氨酸溶解于500mL DPBS中;
2)加入20uL/孔,37℃,5%CO2孵育1-2小时;
3)完全倾倒溶液,用50uL MEM清洗一次。
板上种植细胞
1)将CYP1A1-bla LS-180细胞系细胞从培养箱中取出;
2)抽除培养基,加入2mL TrypLE/flask;
3)将烧瓶置于37℃静置5-8分钟,使细胞分离;
4)加入10mL的播种培养基/烧瓶;
5)将细胞混合物转移到50毫升无菌离心管中拌匀;
6)细胞计数,将细胞播散到细胞板;
7)15K细胞/孔:每孔用30uL的培养基放入15K细胞;
8)用30uL的育种培养基在孔中播种,每孔采用生物膜多聚-D-赖氨酸384孔TC处理微板的Combi标准模式;
9)37℃5%CO2孵育过夜。
第二天:
化合物给药
a)参比化合物准备
用DMSO在LDV平板中制备20剂量参比CH-223191。CH-223191的最大工作溶液为10mM的DMSO溶液。用Bravo进行2倍连续稀释。
b)Max和Min Wells
最大孔:10mM的DMSO标准CH-223191在LDV板;
最小孔:DMSO在LDV板。
c)使用ECHO根据板映射将80个nL从LDV板传输到复合板(PE6008590)。
d)使用Combi Stand模式,每孔加入20uL检测介质,按2000转/分离心2分钟,使其混合均匀。
e)细胞的饥饿处理
利用Bravo将29uL的培养基转移到细胞板孔内;
使用Combi立式模式,每孔加入20uL的温试液,以300转/分离心1分钟;
37℃5%CO2孵育1小时。
f)化合物加入
用Bravo将10uL稀释物或DMSO(4倍工作溶液)从复合板(PE6008590)转移至细胞板。
37℃5%CO2孵育1小时。
g)受体激动剂加入
用Bravo将10uL 4X ITE工作溶液(2nM)加到细胞板的所有孔。总检测体系为40uL/Well
37℃5%CO2孵育4小时;
在加入加载试剂之前,让板在室温下放置10分钟
h)最终测定条件
最终孔:15k/孔
最小值:0.1%DMSO溶液
Max:10uM CH-223191
CH-223191CRC:稀释2倍至10uM,20个点
ITE终浓度:0.5nM
第二天:添加检测缓冲液和读板
A.底物上载及读板
a)按照试剂盒说明书存储和准备每种试剂
b)从-20℃冰箱中取出溶液A和溶液D。待完全解冻后,准备如下混合溶液
c)将A溶液加到B溶液中,涡流好
d)将C溶液加入A和B混合物中,涡流良好
e)将D溶液加入A、B、C溶液中,涡流好
f)使用Combi小模式向每个板添加9.5uL最终溶液
g)室温下避光孵育至少1小时,读板。信号至少能工作3个小时。
B.用Envision读板
Envision Reader设置
Wavelength | |
Excitation Filter | 400 |
Emission Filter 1 | 460 |
Emission Filter 2 | 535 |
Dichroic Mirror | Beta lactamase D425/490 |
本发明中实施例化合物对AhR的拮抗活性见表1。
表1本发明中实施例化合物抑制活性
IC<sub>50</sub> | (nM) |
BAY-2416964 | <100 |
实施例2 | <50 |
实施例7 | <50 |
实施例8 | <50 |
从表1可以看出,本发明实施例化合物对于AhR显示出了很好的拮抗活性。
大鼠药代动力学测试评价
雄性SD大鼠,体重220g左右,禁食过夜后,灌胃给予2mg/kg本发明化合物的溶液[CMC/TW80为载体]。分别在给于本发明化合物后0.5,1.0,2.0,4.0,6.0,8.0,12和24h采血,用LC/MS/MS测定血浆中本发明化合物的浓度。
参比化合物:BAY-2416964
表1药代动力学参数总结(n=4,均值)
相对于对照化合物BAY-2416964,本发明所得实施例化合物在大鼠体内体现出更好的代谢性质,具有更高的血浆暴露量AUC和Cmax,从而具有更好的药效。
小鼠药代动力学测试评价
雄性ICR小鼠,体重20-30g左右,禁食过夜后,灌胃给予2mg/kg本发明化合物的溶液[CMC/TW80为载体]。分别在给于本发明化合物后0.5,1.0,2.0,4.0,6.0,8.0,12和24h采血,用LC/MS/MS测定血浆中本发明化合物的浓度。
表2药代动力学参数总结(n=4,均值)
相对于对照化合物BAY-2416964,本发明所得实施例化合物在小鼠体内体现出更好的代谢性质,具有更高的血浆暴露量AUC,从而具有更好的药效。
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 (10)
1.具有通式(I)结构的氘代3-氧-2,3-二氢哒嗪-4-甲酰胺类化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药:
式中:
R1选自取代的下组基团:C2-C6的烷基、C3-C10环烷基、或4-10元杂环基;其中上述C2-C6的烷基、C3-C10环烷基、或4-10元杂环基至少被一个羟基取代;
R2选自氢或氘;
R3选自取代或未取代的下组基团:C1-C3的烷基、C3-C6环烷基或4-6元杂环基;
X选自N或CR4;
R4、R5、R6、R8、R9、或R10选自氢或氘;
R7选自Cl、CF3、CHF2、OCF3、OCHF2、或N(Me)2;
其中,上述取代是指被选自下组的一个或多个基团取代:氢、氘、C1-C18烷基、氘代C1-C18烷基、卤代C1-C18烷基、卤代C1-C18烷基羟基、C3-C20环烷基、C1-C18烷氧基、氘代C1-C18烷氧基、卤代C1-C18烷氧基、C6-C14芳基、5-14元杂芳基、4-20元杂环基、卤素、硝基、羟基、氰基、酯基、胺基、酰胺基、磺酰胺基或脲基;
限定条件是R1、R2、R3、R4、R5、R6、R7、R8、R9、或R10至少有一个是氘或者含氘原子取代。
5.如权利要求1所述的具有通式(I)结构的氘代3-氧-2,3-二氢哒嗪-4-甲酰胺类化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药,其特征在于,R3选自下组:CH3、CD3。
6.如权利要求1所述的具有通式(I)结构的氘代3-氧-2,3-二氢哒嗪-4-甲酰胺类化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药,其特征在于,R13和R14各自独立地为氘。
8.一种制备通式(I)结构的氘代3-氧-2,3-二氢哒嗪-4-甲酰胺类化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药的方法,其特征在于,包括步骤:
(i)在第一种碱(如醋酸钠)存在下,式(P-1)化合物与式(Q)化合物反应,得到式X-2化合物;
(ii)在铜盐(如CuCl2)存在下,式(P-2)化合物发生脱氢反应,得到式(P-3)化合物;
(iii)在第二种碱(如LiOH)存在下,式(P-3)化合物水解得到式(P-4)化合物;
(iv)式(P-4)化合物与胺(R1H)反应,得到式(I)化合物;
式中,
R1、R2、R3、R5、R6、R7、R8、R9、R10、及X定义如权利要求1所述。
9.一种药物组合物,其特征在于,包含i)一种或多种权利要求1-5任一项所述通式(I)结构的化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药;和ii)药学上可接受的载体。
10.一种如权利要求1-7任一项所述的具有通式(I)结构的氘代3-氧-2,3-二氢哒嗪-4-甲酰胺类化合物、其立体异构体、互变异构体、晶型、药学上可接受的盐、水合物、溶剂合物或前药,或权利要求9所述的药物组合物的用途,其特征在于,用于制备预防和/或治疗与AhR介导的疾病的药物组合物。
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