5-甲基-噻唑-2-羧酸乙酯 | 58334-08-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 中文名称: 5-甲基-噻唑-2-羧酸乙酯
• 中文别名: 5-甲基噻唑-2-甲酸乙酯
• 英文名称: ethyl 5-methylthiazole-2-carboxylate
• 英文别名: 5-methyl-thiazole-2-carboxylic acid ethyl ester；5-Methyl-thiazol-2-carbonsaeure-aethylester；ethyl 5-methyl-1,3-thiazole-2-carboxylate
• CAS: 58334-08-0
• 化学式: C₇H₉NO₂S
• 分子量: 171.22
• InChiKey: VEPAYOCGFBLRCU-UHFFFAOYSA-N

物化性质

• 沸点：
  129 °C(Press: 13 Torr)
• 密度：
  1.198±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  11
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.43
• 拓扑面积：
  67.4
• 氢给体数：
  0
• 氢受体数：
  4

安全信息

• 海关编码：
  2934100090

反应信息

• 作为反应物：
  描述：

  5-甲基-噻唑-2-羧酸乙酯 在 氢氧化钾 、 硫酸 、 水 作用下， 反应 240.08h， 生成 5-甲基噻唑-2-甲酸甲酯
  参考文献：
  名称：

  噻唑-2-羧酸酯的旋转异构现象的红外研究

  摘要：

  制备了一系列在4-和5-位含有一系列取代基的烷基噻唑-2-羧酸酯。这些酯的溶液（大多数是新化合物）在ir C O区域显示出良好拆分的双峰，这是由旋转异构体引起的。较高的波数分量被分配到更多的极性羰基Ø，小号-反-小号-反式-rotamers和下波数分量羰Ø，小号-顺式-小号-反式-forms。注意到甲酯之间的微小但系统的差异。

  DOI：

  10.1039/p19810002335
• 作为产物：
  描述：

  5-甲基噻唑-2-甲酸 、 碘乙烷 在 potassium carbonate 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 4.0h， 以390 mg的产率得到5-甲基-噻唑-2-羧酸乙酯
  参考文献：
  名称：

  [EN] MRGPRX2 ANTAGONISTS FOR THE TREATMENT OF INFLAMMATORY DISORDERS
  [FR] ANTAGONISTES DE MRGPRX2 POUR LE TRAITEMENT DE TROUBLES INFLAMMATOIRES

  摘要：

  本公开涉及在治疗炎症性疾病，例如皮肤炎症性疾病中使用MrgprX2拮抗剂。该发明还涉及包含MrgprX2拮抗剂和药学上或口服可接受的载体用于给药的药物组合物。

  公开号：

  WO2021092240A1

文献信息

• [EN] MODULATORS OF INDOLEAMINE 2,3-DIOXYGENASE<br/>[FR] MODULATEURS D'INDOLAMINE 2,3-DIOXYGÉNASE
  申请人：GLAXOSMITHKLINE INTELLECTUAL PROPERTY (NO 2) LTD

  公开号：WO2017051354A1

  公开（公告）日：2017-03-30

  Provided are compounds and pharmaceutically acceptable salts thereof, their pharmaceutical compositions, their methods of preparation, and methods for their use in the prevention and/or treatment of HIV; including the prevention of the progression of AIDS and general immunosuppression.

  提供了这些化合物及其药用盐，它们的药物组合物，它们的制备方法，以及它们在预防和/或治疗HIV方面的使用方法；包括预防AIDS的进展和一般免疫抑制。
• [EN] COMPOUNDS CONTAINING BASIC AND ACIDIC TERMINI USEFUL AS FIBRINOGEN RECEPTOR ANTAGONISTS<br/>[FR] COMPOSES CONTENANT DES TERMINAISONS BASIQUES ET ACIDES UTILES EN TANT QU'ANTAGONISTES DES RECEPTEURS DE FIBRINOGENE
  申请人：THE DU PONT MERCK PHARMACEUTICAL COMPANY

  公开号：WO1995018111A1

  公开（公告）日：1995-07-06

  (EN) This invention relates to novel compounds containing basic and acidic termini, pharmaceutical compositions containing such compounds, processes for preparing such compounds, and to methods of using these compounds, alone or in combination with other therapeutic agents, for the inhibition of platelet aggregation, as thrombolytics, and/or for the treatment of thromboembolic disorders.(FR) Nouveaux composés contenant des terminaisons basiques et acides, compositions pharmaceutiques contenant lesdits composés, procédés pour préparer lesdits composés et procédés d'utilisation desdits composés, seuls ou en combinaison avec d'autres agents thérapeutiques, afin d'inhiber l'agrégation plaquettaire, afin de servir d'agents thrombolytiques, et/ou afin de traiter des troubles thromboemboliques.

  该发明涉及新型化合物，其含有碱性和酸性末端，含有这种化合物的制药组合物，制备这种化合物的方法，以及使用这些化合物的方法，单独或与其他治疗剂联合使用，用于抑制血小板聚集，作为溶栓剂以及治疗血栓栓塞性疾病。
• Pyrrolopyridazinone Compound
  申请人：Hagihara Masahiko

  公开号：US20090036453A1

  公开（公告）日：2009-02-05

  The present invention discloses a pyrrolopyridazinone compound represented by the formula (1): wherein R 1 represents C 1 -C 2 alkyl group or halogeno C 1 -C 2 alkyl group, R 2 repersents C 3 -C 5 cycloalkyl group, (C 3 -C 5 cycloalkyl)C 1 -C 2 alkyl group or C 1 -C 3 alkyl group, R 3 represents hydrogen atom, or methylene group or cis-vinylene group for forming substituted oxygen-containing hetero ring in combination with group —O—R 2 , R 4 represents hydrogen atom, halogen atom, C 1 -C 8 alkyl group, C 2 -C 6 alkenyl group, C 2 -C 6 alkynyl group, hydroxy C 3 -C 6 alkenyl group, hydroxy C 3 -C 6 alkynyl group, C 1 -C 6 alkyl group substituted by substituent(s) selected from Substituent group (a), C 3 -C 6 cycloalkyl group which may be substituted by substituent(s) selected from Substituent group (b), “C 1 -C 3 alkyl group which is substituted by C 3 -C 6 cycloalkyl group which may be substituted by substituent(s) selected from Substituent group (b), and which may be substituted by a hydroxy group”, an aromatic ring group or heteroaromatic ring group each of which may be substituted by a substituent(s) selected from Substituent group (c) or “C 1 -C 2 alkyl group which is substituted by aromatic ring group or heteroaromatic ring group each of which may be substituted by group(s) selected from Substituent group (c), and which may be substituted by a hydroxy group”, Substituent group (a) represents a halogen atom, hydroxy group, cyano group, carboxy group, C 1 -C 5 alkoxy group, halogeno C 1 -C 4 alkoxy group, C 3 -C 6 cycloalkoxy group, (C 3 -C 6 cycloalkyl)C 1 -C 2 alkoxy group, C 1 -C 4 alkoxycarbonyl group, C 2 -C 4 alkanoyl group, C 2 -C 4 alkanoyloxy group or C 1 -C 4 alkyl-substituted amino group, Substituent group (b) represents a hydroxy group or a halogen atom, Substituent group (c) represents a halogen atom, a hydroxy group, a cyano group, a nitro group, a carboxy group, C 1 -C 5 alkoxy group, C 1 -C 4 alkoxycarbonyl group, C 2 -C 4 alkanoyloxy group, C 1 -C 4 alkyl-substituted amino group or a C 1 -C 4 alkyl group which may be substituted by a substituent(s) selected from the group consisting of (a halogen atom, a hydroxy group and a carboxy group), or a pharmaceutically acceptable salt thereof.

  本发明公开了一种由式（1）表示的吡咯吡啶二酮化合物：其中，R1代表C1-C2烷基或卤代C1-C2烷基，R2代表C3-C5环烷基、（C3-C5环烷基）C1-C2烷基或C1-C3烷基，R3代表氢原子，或与基团-O-R2结合形成取代含氧杂环的亚甲基或顺式乙烯基，R4代表氢原子、卤素原子、C1-C8烷基、C2-C6烯基、C2-C6炔基、羟基C3-C6烯基、羟基C3-C6炔基、由从取代基团（a）中选择的取代基团取代的C1-C6烷基，可由从取代基团（b）中选择的取代基团取代的C3-C6环烷基，可由从取代基团（b）中选择的取代基团取代的C1-C3烷基，且可由羟基取代，芳香环基或杂芳香环基，每个都可由从取代基团（c）中选择的取代基团取代或由取代基团（c）选择的基团取代的C1-C2烷基，且可由羟基取代，取代基团（a）表示卤素原子、羟基、氰基、羧基、C1-C5烷氧基、卤代C1-C4烷氧基、C3-C6环烷氧基、（C3-C6环烷基）C1-C2烷氧基、C1-C4烷氧羰基、C2-C4酰基、C2-C4酰氧基或C1-C4烷基取代的氨基基团，取代基团（b）表示羟基或卤素原子，取代基团（c）表示卤素原子、羟基、氰基、硝基、羧基、C1-C5烷氧基、C1-C4烷氧羰基、C2-C4酰氧基、C1-C4烷基取代的氨基基团或可由从由卤素原子、羟基和羧基组成的基团中选择的取代基团取代的C1-C4烷基，或其药学上可接受的盐。
• Heterocyclic Derivatives as M3 Muscarinic Receptors
  申请人：Avitabile Barbara Giuseppina

  公开号：US20100056565A1

  公开（公告）日：2010-03-04

  This invention relates to M3 antagonists of formula (I) wherein R 2 , R 4 , R 5 , R 6 , W, V, A, D, X, t, u and v are as defined herein; pharmaceutical compositions containing them; methods for their preparation; and their use in the treatment of diseases where enhanced M3 receptor activation is implicated.

  本发明涉及公式（I）的M3拮抗剂，其中R2、R4、R5、R6、W、V、A、D、X、t、u和v的定义如本文所述；包含它们的药物组合物；制备它们的方法；以及它们在治疗增强M3受体激活涉及的疾病中的应用。
• Azole and Thiazole Derivatives and Their Use
  申请人：Ray Nicholas Charles

  公开号：US20100113540A1

  公开（公告）日：2010-05-06

  Compounds of formula (I) are useful in the treatment of diseases where enhanced M3 receptor activation is implicated, such as respiratory tract diseases: wherein (i) R 1 is C 1 -C 6 -alkyl or hydrogen; and R 2 is hydrogen or a group —R 7 , —Z—Y—R 7 , —Z—NR 9 R 10 ; —Z—CO—NR 9 R 10 , —Z—NR 9 — [AE11] C(O)O—R 7 , or —Z—C(O)—R 7 ; and R 3 is a lone pair, or C 1 C 6 -alkyl; or (ii) R 1 and R 3 together with the nitrogen to which they are attached form a heterocycloalkyl ring and R 2 is a lone pair or a group —R 7 , —Z—Y—R 7 , —Z—NR 9 R 10 , —Z—CO—NR 9 R 10 , —Z—NR 9 — [AE12] C(O)O—R 7 ; or; —Z—C(O)—R 7 ; or (iii) R 1 and R 2 together with the nitrogen to which they are attached form a heterocycloalkyl ring, said ring being substituted by a group —Y—R 7 , —Z—Y—R 7 , —Z—NR 9 R 10 ; —Z—CO—NR 9 R 10 ; —Z—NR 9 — [AE13] C(O)O—R 7 ; or; —Z—C(O)—R 7 ; and R 3 is a lone pair, or C 1 -C 6 -alkyl; R 4 and R 5 are independently selected from the group consisting of aryl, ary-tfused-heterocycloalkyl, heteroaryl, C 1 -C 6 -alkyl, cycloalkyl; R 6 is —OH, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, hydroxy-C 1 -C 6 -alkyl, nitrile, a group CONR 8 2 or a hydrogen atom; A is an oxygen or a sulfur atom; X is an alkylene, alkenylene or alkynylene group; R 7 is an C 1 -C 6 -alkyl, aryl, aryl-fused-cycloalkyl, aryl-fused-heterocycloalkyl, heteroaryl, aryl(C 1 -C 8 -alkyl)-, heteroaryl(C 1 -C 8 -alkyl)-, cycloalkyl or heterocycloalkyl group; R 8 is C 1 -C 6 -alkyl or a hydrogen atom; Z is a C 1 -C 16 -alkylene, C 2 -C 16 -alkenylene or C 2 -C 16 -alkynylene group; Y is a bond or oxygen atom; R 9 and R 10 are independently a hydrogen atom, C 1 -C 6 -alkyl, aryl, aryl-fused-heterocycloalkyl, aryl-fused-cycloalkyl, heteroaryl, aryl(C 1 -C 6 -alkyl)-, or heteroaryl(C 1 -C 6 -alkyl)- group; or R 9 and R 10 together with the nitrogen atom to which they are attached form a heterocyclic ring of 48 atoms, optionally containing a further nitrogen or oxygen atom.

  式（I）的化合物在治疗呼吸道疾病等需要增强M3受体激活的疾病中有用，其中（i）R1为C1-C6烷基或氢，R2为氢或基团-R7、-Z-Y-R7、-Z-NR9R10、-Z-CO-NR9R10、-Z-NR9-[AE11]C（O）O-R7或-Z-C（O）-R7，R3为孤对电子或C1-C6烷基；或（ii）R1和R3与它们连接的氮一起形成杂环烷基环，R2为孤对电子或基团-R7、-Z-Y-R7、-Z-NR9R10、-Z-CO-NR9R10、-Z-NR9-[AE12]C（O）O-R7或-Z-C（O）-R7；或（iii）R1和R2与它们连接的氮一起形成杂环烷基环，该环被基团-Y-R7、-Z-Y-R7、-Z-NR9R10、-Z-CO-NR9R10、-Z-NR9-[AE13]C（O）O-R7或-Z-C（O）-R7取代，R3为孤对电子或C1-C6烷基；R4和R5独立地选自芳基、芳基融合的杂环烷基、杂芳基、C1-C6烷基、环烷基；R6为-OH、C1-C6烷基、C1-C6-烷氧基、羟基-C1-C6烷基、腈基、基团CONR82或氢原子；A为氧原子或硫原子；X为烷基、烯基或炔基；R7为C1-C6烷基、芳基、芳基融合的环烷基、芳基融合的杂环烷基、杂芳基、芳基（C1-C8烷基）-、杂芳基（C1-C8烷基）-、环烷基或杂环烷基；R8为C1-C6烷基或氢原子；Z为C1-C16烷基、C2-C16烯基或C2-C16炔基；Y为键或氧原子；R9和R10独立地为氢原子、C1-C6烷基、芳基、芳基融合的杂环烷基、芳基融合的环烷基、杂芳基、芳基（C1-C6烷基）-或杂芳基（C1-C6烷基）-基团；或R9和R10与它们连接的氮原子一起形成48个原子的杂环，可选地含有进一步的氮或氧原子。