ethyl 4'-(2-methylimidazo<4,5-c>pyrid-1-yl)benzoylacetate | 122957-08-8

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: ethyl 4'-(2-methylimidazo<4,5-c>pyrid-1-yl)benzoylacetate
• 英文别名: ethyl 4'-(2-methylimidazo[4,5-c]pyridin-1-yl)benzoylacetate；3-[4-(2-Methyl-imidazo[4,5-c]pyridin-1-yl)-phenyl]-3-oxo-propionic acid ethyl ester；ethyl 3-[4-(2-methylimidazo[4,5-c]pyridin-1-yl)phenyl]-3-oxopropanoate
• CAS: 122957-08-8
• 化学式: C₁₈H₁₇N₃O₃
• 分子量: 323.351
• InChiKey: KWZVMOAYQMRXTG-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  24
• 可旋转键数：
  6
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.22
• 拓扑面积：
  74.1
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  ethyl 4'-(2-methylimidazo<4,5-c>pyrid-1-yl)benzoylacetate 在 tetraphosphorus decasulfide 作用下， 以 吡啶 、 甲苯 为溶剂， 反应 5.75h， 生成 7,8-dichloro-2,3-dihydro-4-<4-(2-methylimidazo<4,5-c>pyrid-1-yl)phenyl>-1H-<1,5>benzodiazepine-2-thione
  参考文献：
  名称：

  血小板活化因子的新型拮抗剂。1. 2-甲基-1-苯基咪唑并[4,5-c]吡啶的苯二氮卓和苯并ze庚因衍生物的合成及构效关系。

  摘要：

  在发现2-甲基-1-苯基咪唑并[4,5-c]吡啶（2）（IC50 = 840 nM）中中等程度的拮抗活性血小板活化因子（PAF）之后，制备了19种衍生物（3-21）它结合了各种亲脂基团，这些亲脂基团连接在苯基的4-位上。通过确定抑制PAF诱导的兔洗血小板聚集所需的化合物（IC50）的浓度在体外测量PAF拮抗剂活性，并通过确定保护小鼠免于口服的口服剂量（ED50）在体内测量PAF拮抗剂活性，从而评估了结构-活性关系。致命注射PAF。[1,5]苯二氮卓类，例如14（2,3-二氢-1-甲基-4- [4-（2-甲基咪唑并[4,5-c]吡啶-1-基）苯基] -1H- [1 ，5]苯并二氮杂-2-酮）（IC50 = 4.9 nM，Ed50 = 0.03 mg / kg po），被发现具有与1，4-二氢吡啶PAF拮抗剂UK-74,505（1,4-（2-氯苯基）-1,4-二氢-3-（乙氧羰基）-6-甲基-2-

  DOI：

  10.1021/jm00018a011
• 作为产物：
  描述：

  3,4-二氨基吡啶 在 双氧水 、 铁粉 、 potassium carbonate 、 溶剂黄146 、 三氟乙酸 、 锌 作用下， 反应 176.92h， 生成 ethyl 4'-(2-methylimidazo<4,5-c>pyrid-1-yl)benzoylacetate
  参考文献：
  名称：

  1,4-二氢吡啶类作为血小板活化因子的拮抗剂。1. 2-（4-杂环基）苯基衍生物的合成及其构效关系。

  摘要：

  利用多种4'-杂环取代的苯甲酰乙酸乙酯通过Hantzsch合成方法制备了一类对血小板活化因子（PAF）具有拮抗活性的2-（4-杂环基苯基）-1,4-二氢吡啶（2-38） ，芳基或杂芳基醛，以及取代的3-氨基巴豆酰胺或3-氨基巴豆酸酯。评估了结构活性关系，其中通过测定抑制PAF诱导的兔洗涤血小板聚集所需的化合物浓度（IC50）在体外测量PAF拮抗剂活性，并通过确定保护小鼠的口服剂量（ED50）在体内测量PAF拮抗剂活性致命注射PAF。发现二氢吡啶2位上的取代基对于体外和体内活性均很重要，而4位和5位的结构变化具有更大的灵活性。最有效的化合物是4-（2-氯苯基）-1,4-二氢-3-（乙氧羰基）-6-甲基-2- [4-（2-甲基咪唑并[4,5-c]吡啶-1-基）苯基] -5- [N-（2-吡啶基）氨基甲酰基]吡啶（17，UK-74,505），IC50 = 4.3 nM，ED50 = 0.26 mg

  DOI：

  10.1021/jm00095a005

文献信息

• Platelet activating factor antagonists
  申请人：Pfizer Inc.

  公开号：US04935430A1

  公开（公告）日：1990-06-19

  Platelet activating factor antagonists of formula (I): ##STR1## wherein R is phenyl or phenyl substituted by one or more substituents selected from nitro, halo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, aryl (C.sub.1 -C.sub.4) alkoxy, fluoro (C.sub.1 -C.sub.4) alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulphonyl, hydroxy, trifluoromethyl and cyano, or is phenyl fused to a dioxole ring; R.sup.1 and R.sup.2 are each independently H or C.sub.1 -C.sub.6 alkyl, or R.sup.1 and R.sup.2 together complete a pyrrolidinyl, piperidino, morpholino, piperazinyl, N-(C.sub.1 -C.sub.4 alkyl) piperazinyl or N-(C.sub.2 -C.sub.4 alkanoyl)-piperazinyl group; or R.sup.2 is H or C.sub.1 -C.sub.4 alkyl and R.sup.1 is CN, C.sub.3 -C.sub.7 cycloalkyl, aryl, heteroaryl or a C.sub.1 -C.sub.4 alkyl group substituted by one or more substituents selected from C.sub.3 -C.sub.7 cycloalkyl, C.sub.1 -C.sub.4 alkoxycarbonyl, aryl or heteroaryl; Z is selected from C.sub.1 -C.sub.6 alkoxy, aryl (C.sub.1 -C.sub.4) alkoxy, hydroxy, and --NR.sup.4 R.sup.5 wherein each of R.sup.4 and R.sup.5 is independently H or C.sub.1 -C.sub.6 alkyl, or R.sup.4 and R.sup.5 together complete a pyrrolidinyl, piperidino, morpholino, piperazinyl or N-(C.sub.1 -C.sub.4 alkyl) piperazinyl group; Y is 1,4 phenylene or pyridine-2,5-diyl, and X is a 5 or 6 membered aromatic heterocyclic group containing one or more nitrogen atoms in its ring; which ring may be fused to a benzene ring or to a further 5- or 6-membered aromatic heterocyclic ring containing one or more nitrogen atoms, at least one of said heterocyclic rings optionally also containing an oxygen or sulphur atom, and being optionally substituted with one or more substituents selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halo, CF.sub.3 and CN; and their pharmaceutically acceptable salts.

  公式（I）的血小板活化因子拮抗剂：其中R是苯基或苯基，其上取代基可从硝基，卤素，C.sub.1-C.sub.4烷基，C.sub.1-C.sub.4烷氧基，芳基（C.sub.1-C.sub.4）烷氧基，氟基（C.sub.1-C.sub.4）烷氧基，C.sub.1-C.sub.4烷基硫基，C.sub.1-C.sub.4烷基磺酰基，羟基，三氟甲基和氰基中选择一个或多个取代基；或者是与二噁唑环融合的苯基；R.sup.1和R.sup.2分别独立地为H或C.sub.1-C.sub.6烷基，或者R.sup.1和R.sup.2一起形成吡咯啉基，哌啶基，吗啉基，哌嗪基，N-(C.sub.1-C.sub.4烷基)哌嗪基或N-(C.sub.2-C.sub.4烷酰基)-哌嗪基；或者R.sup.2为H或C.sub.1-C.sub.4烷基，R.sup.1为CN，C.sub.3-C.sub.7环烷基，芳基，杂环芳基或一个C.sub.1-C.sub.4烷基，其上取代基可从C.sub.3-C.sub.7环烷基，C.sub.1-C.sub.4烷氧羰基，芳基或杂环芳基中选择一个或多个取代基；Z从C.sub.1-C.sub.6烷氧基，芳基（C.sub.1-C.sub.4）烷氧基，羟基和--NR.sup.4R.sup.5中选择，其中R.sup.4和R.sup.5中的每一个独立地为H或C.sub.1-C.sub.6烷基，或者R.sup.4和R.sup.5一起形成吡咯啉基，哌啶基，吗啉基，哌嗪基或N-(C.sub.1-C.sub.4烷基)哌嗪基；Y为1,4-苯基或吡啶-2,5-二基，X为含有一个或多个氮原子的5或6成员芳香杂环基团；该环可能与苯环融合，或与进一步含有一个或多个氮原子的5-或6成员芳香杂环环融合，至少其中一个杂环环可选地还含有一个氧原子或硫原子，并可选地取代一个或多个取代基，所述取代基可从C.sub.1-C.sub.4烷基，C.sub.1-C.sub.4烷氧基，卤素，CF.sub.3和CN中选择；以及其药学上可接受的盐。
• 1,4-DIHYDROPYRIDINE DERIVATIVES
  申请人：Nikken Chemicals Company, Limited

  公开号：EP0943615A1

  公开（公告）日：1999-09-22

  A 1,4-dihydropyridine derivative having the formula (I): wherein, R1 represents a substituted or unsubstituted phenyl or heterocyclic group, R2 represents a C1 to C5 lower alkyl group, R3 represents a substituted or unsubstituted C2 to C8 alkyl, alkenyl, alkynyl or substituted or unsubstituted cycloalkyl group, R4 represents -A-R5, wherein A represents a C2 to C8 alkylene group or a substituted or unsubstituted C2 to C8 alkenylene group, and R5 represents a substituted or unsubstituted pyridyl, pyridylcarbonyl or piperadinyl group and a drug for overcoming resistance to an anti-cancer drug or a drug increasing the effect of an anti-cancer drug containing as an effective ingredient the derivative or its pharmacologically acceptable salt or hydrate.

  一种具有以下式（I）的1,4-二氢吡啶衍生物： 其中，R1代表取代或未取代的苯基或杂环基团，R2代表C1至C5的低碳链基团，R3代表取代或未取代的C2至C8的烷基、烯基、炔基或取代或未取代的环烷基团，R4代表-A-R5，其中A代表C2至C8的烷基链或取代或未取代的C2至C8的烯基链，R5代表取代或未取代的吡啶基、吡啶基甲酰基或哌啶基团，以及一种用作克服抗癌药物的抗药性或增加抗癌药物效果的药物，其有效成分为该衍生物或其药理学上可接受的盐或水合物。
• Diazepine antiallergy agents
  申请人：Pfizer Inc.

  公开号：US05008263A1

  公开（公告）日：1991-04-16

  Platelet activating factor antagonists of formula (I), (II) or (III): ##STR1## where A is optionally substituted benzene, pyridine, naphthalene, quinoline, thiophene, benzothiophene, pyrazole or isothiazole, X is O, S or NH Y is 1,4 phenylene or a group of formula ##STR2## R.sup.1 is H or optionally substituted C.sub.1 -C.sub.4 alkyl, R.sup.2 and R.sup.3 are H or C.sub.1 -C.sub.4 alkyl, B is an optionally fused 5- or 6-membered ring containing nitrogen atoms, Het is an optionally substituted 5-membered heterocyclic ring containing nitrogen or a pyridine ring, the ring optionally being fused to benzene or nitrogen-containing heterocyclic ring.

  公式（I）、（II）或（III）的血小板活化因子拮抗剂：##STR1##其中A是可选择取代的苯、吡啶、萘、喹啉、噻吩、苯并噻吩、吡唑或异噻唑，X是O、S或NH，Y是1,4-苯撑基或公式##STR2##的基团，R.sup.1是H或可选择取代的C.sub.1-C.sub.4烷基，R.sup.2和R.sup.3是H或C.sub.1-C.sub.4烷基，B是可选择融合的含氮的5-或6-成员环，Het是可选择取代的含氮的5-成员杂环环或吡啶环，该环可选择与苯或含氮的杂环环融合。
• 1,4-dihydropyridine derivatives
  申请人：Pfizer Inc.

  公开号：US04963560A1

  公开（公告）日：1990-10-16

  The invention provides compounds of the formula ##STR1## and pharmaceutically acceptable salts thereof, wherein R is phenyl substituted by halo; R.sup.1 is C.sub.1 -C.sub.4 alkyl; is hydrogen, C.sub.5 -C.sub.7 cycloalkyl, benzyl or C.sub.1 -C.sub.4 alkyl, said C.sub.1 -C.sub.4 alkyl group being optionally substituted by cyano, trimethylsilyl or C.sub.1 -C.sub.3 alkoxy; and "Het" is ##STR2## wherein R.sup.3 is hydrogen or methyl. The compounds are useful in the treatment of allergic, inflammatory and hypersecretory conditions, and circulatory shock, stroke and thrombosis.

  该发明提供了以下结构的化合物及其药用盐，其中R为卤代苯基；R.sup.1为C.sub.1 -C.sub.4烷基；是氢、C.sub.5 -C.sub.7环烷基、苄基或C.sub.1 -C.sub.4烷基，所述C.sub.1 -C.sub.4烷基基团可以选择性地被氰基、三甲基硅基或C.sub.1 -C.sub.3烷氧基取代；"Het"为以下结构：其中R.sup.3为氢或甲基。这些化合物在治疗过敏、炎症和分泌过多症状以及循环休克、中风和血栓形成方面具有用途。
• 1,4-Dihydropyridine derivatives
  申请人：Nikken Chemicals Co., Ltd.

  公开号：US06306853B1

  公开（公告）日：2001-10-23

  A 1,4-dihydropyridine derivative having the formula (I): wherein, R1 represents a substituted or unsubstituted phenyl or pyridyl group, R2 represents a C1 to C5 lower alkyl group, R3 represents a substituted or unsubstituted C1 to C8 alkyl, alkenyl, alkynyl or substituted or unsubstituted C3 to C7 cycloalkyl or cycloalkenyl group, R4 represents —A—R5, wherein A represents a C3 to C5 alkynylene group having one triple bond, and R5 represents a substituted or unsubstituted pyridyl, quinolyl, isoquinolyl or pyrimidyl group and a drug for overcoming resistance to an anti-cancer drug or a drug increasing the effect of an anti-cancer drug containing as an effective ingredient the derivative or its pharmacologically acceptable salt or hydrate.

  一种具有以下化学式(I)的1,4-二氢吡啶衍生物：其中，R1代表取代或未取代的苯基或吡啉基，R2代表C1至C5的低碳链烷基，R3代表取代或未取代的C1至C8烷基、烯基、炔基或取代或未取代的C3至C7环烷基或环烯基，R4代表—A—R5，其中A代表具有一个三键的C3至C5炔基，R5代表取代或未取代的吡啉基、喹啉基、异喹啉基或嘧啶基，以及一种用作克服抗癌药物的耐药性或增强抗癌药物效果的药物，其有效成分为该衍生物或其药理学上可接受的盐或水合物。