2-Mercapto-5,6-methylendioxy-benzimidazol | 35541-25-4

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并间二氧杂环戊烯类
• 英文名称: 2-Mercapto-5,6-methylendioxy-benzimidazol
• 英文别名: 5,7-dihydro-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]imidazole-6-thione；5H-[1,3]-dioxolo[4,5-f]-benzimidazole-6-thiol；5,7-dihydro-[1,3]dioxolo[4,5-f]benzimidazole-6-thione
• CAS: 35541-25-4
• 化学式: C₈H₆N₂O₂S
• mdl: MFCD03659225
• 分子量: 194.214
• InChiKey: GCYRHKXYWGNOJK-UHFFFAOYSA-N

物化性质

• 沸点：
  336.0±52.0 °C(Predicted)
• 密度：
  1.65±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1
• 重原子数：
  13
• 可旋转键数：
  0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.125
• 拓扑面积：
  74.6
• 氢给体数：
  2
• 氢受体数：
  3

安全信息

• 海关编码：
  2934999090

反应信息

• 作为反应物：
  描述：

  2-Mercapto-5,6-methylendioxy-benzimidazol 在 sodium hydroxide 、 双氧水 作用下， 以 水 为溶剂， 反应 1.0h， 生成 5,6-methylenedioxy-2-[3-[4(5)-imidazolyl]propylamino]benzimidazole
  参考文献：
  名称：

  2-氨基苯并咪唑衍生物作为有效的H3拮抗剂的合成，生物活性，QSAR和QSPR研究。

  摘要：

  我们报告设计，合成，QSPR和QSAR的一类新的H（3）拮抗剂，具有通过二或三亚甲基链连接到咪唑环的4（5）位置的2-氨基苯并咪唑部分。在苯并咪唑核的5（6）位置引入了11个通过实验设计选择的取代基，以获得其亲脂性，电子和空间特性的广泛且不相关的变化。通过取代[（3）H]-（R）-α-甲基组胺（[（3H）]-RAMHA）与大鼠脑膜（pK（i ））的内在活性，评估它们对电刺激的豚鼠回肠（pK（B））对[（35）S] GTPgammaS与大鼠脑膜结合的影响，以及对H（3）拮抗剂的作用。具有较长链（5a-k）的衍生物的pK（i）值范围超过2个数量级，其中5（6）-甲氧基衍生物5d具有亚纳摩尔亲和力（pK（i）= 9.37）。在链间隔基（4a-k）中具有两个亚甲基的系列显示出亲和力的小变化，显示出对环取代有些不敏感。在QSAR研究中，对新合成化合物的亲脂性（log P）和碱性（pK（a））进行了测

  DOI：

  10.1016/j.bmc.2003.11.030
• 作为产物：
  描述：

  1,2-diamino-4,5-methylenedioxybenzene dihydrochloride 在 氢氧化钾 作用下， 以 水 、 溶剂黄146 、 异丙醇 为溶剂， 生成 2-Mercapto-5,6-methylendioxy-benzimidazol
  参考文献：
  名称：

  Imidazole derivatives

  摘要：

  Tricyclic imidazole derivatives of the formula ##STR1## wherein R.sup.1 is 2-pyridyl optionally substituted by lower alkyl or lower alkoxy, n is the integer 0 or 1, R.sup.2 is hydrogen or lower alkyl, R.sup.3 and R.sup.4, independently, are hydrogen or lower alkyl, A is a group of the formula ##STR2## m is the integer 2 or 3, R.sup.5, R.sup.6, R.sup.7 and R.sup.8, independently, are hydrogen or lower alkyl, and R.sup.9 is hydrogen and R.sup.10 is hydrogen or lower alkyl or R.sup.9 and R.sup.10 taken together are oxo, provided that at least one of R.sup.3 and R.sup.4 is lower alkyl when A is a group of the formula --CH.dbd.CH--CH.dbd.CH-- or --(CH.sub.2).sub.4 --, and their pharmaceutically acceptable acid addition salts. The compounds of formula I inhibit gastric acid secretion and prevent the formation of gastric ulcers.

  公开号：

  US04435406A1

文献信息

• Benzimidazole compound
  申请人：Miyazawa Shuhei

  公开号：US20070010542A1

  公开（公告）日：2007-01-11

  An object of the present invention is to provide a novel chemical compound useful as a therapeutic or prophylactic agent for acid-related diseases, having an excellent inhibitory effect against gastric acid secretion, an excellent effect of maintaining the inhibitory effect against gastric acid secretion, thereby maintaining intragastric pH high for a long time, and having more safety and appropriate physicochemical stability. Provided is a compound represented by where R 1 and R 3 may be the same or different and each represent a hydrogen atom or a C1-C6 alkyl group; R 2 represents (5,5-dimethyl-1,3-dioxan-2-yl)methoxy group, 5,7-dioxaspiro[2.5]oct-6-ylmethoxy group, 1,5,9-trioxaspiro[5.5]undec-3-ylmethoxy group, or (2,2-dimethyl-1,3-dioxan-5-yl)methoxy group; R 4 , R 5 , R 6 and R 7 represent a hydrogen atom, halogen atom, C1-C6 alkyl group, C1-C6 haloalkyl group, C1-C6 alkoxy group or C1-C6 haloalkoxy group; and W 1 represents a single bond, methylene or ethylene group, a salt thereof or a solvate of these.

  本发明的目的是提供一种新型化合物，可用作治疗或预防酸相关疾病的药物，具有出色的抑制胃酸分泌作用，保持抑制胃酸分泌作用的出色效果，从而长时间保持胃内pH值高，并具有更高的安全性和适当的理化稳定性。 提供的化合物表示为 其中R 1 和R 3 可以相同也可以不同，每个代表氢原子或C1-C6烷基；R 2 表示(5,5-二甲基-1,3-二氧杂环戊烷-2-基)甲氧基基团，5,7-二氧杂螺[2.5]辛-6-基甲氧基基团，1,5,9-三氧杂螺[5.5]十一烷-3-基甲氧基基团，或(2,2-二甲基-1,3-二氧杂环戊烷-5-基)甲氧基基团； R 4 ，R 5 ，R 6 和R 7 代表氢原子，卤原子，C1-C6烷基，C1-C6卤代烷基，C1-C6烷氧基或C1-C6卤代烷氧基；W 1 表示单键，亚甲基或乙烯基，其盐或这些的溶剂化合物。
• (Bezimidazol-2-yl)-pyridinium compounds
  申请人：Hoffman-La Roche Inc.

  公开号：US04766133A1

  公开（公告）日：1988-08-23

  (Benzimidazol-2-yl)-pyridinium compounds of the formula ##STR1## wherein A is --SR.sup.9, --SO.sub.3.sup.- or --S--SO.sub.3.sup.- ; R.sup.1 and R.sup.3 each is hydrogen or (C.sub.1 -C.sub.7)-alkyl; R.sup.2 is hydrogen, (C.sub.1 -C.sub.7)-alkyl, (C.sub.1 -C.sub.7)-alkoxy or a negatively charged oxygen atom; R.sup.4 is hydrogen or a negative charge; R.sup.5, R.sup.6, R.sup.7 and R.sup.8 each is hydrogen, (C.sub.1 -C.sub.7)-alkyl, aryl, halogen, cyano, nitro, formyl, (C.sub.2 -C.sub.7)-alkanoyl, arylcarbonyl, carboxy, carboxy-(C.sub.1 -C.sub.7)-alkyl, (C.sub.1 -C.sub.7)-alkoxycarbonyl, aryloxycarbonyl, aryl-(C.sub.1 -C.sub.7)-alkoxycarbonyl, (C.sub.1 -C.sub.7)-alkoxycarbonyl-(C.sub.1 -C.sub.7)-alkyl, carbamoyl, mono- or di-(C.sub.1 -C.sub.7)-alkylcarbamoyl, pyrrolidinocarbonyl, piperidinocarbonyl, carbamoyl-(C.sub.1 -C.sub.7)-alkyl, mono- or di-(C.sub.1 -C.sub.7)-alkylcarbamoyl-(C.sub.1 -C.sub.7)-alkyl, pyrrolidinocarbonyl-(C.sub.1 -C.sub.7)-alkyl, piperdinocarbonyl-(C.sub.1 -C.sub.7)-alkyl, hydroxy, (C.sub.1 -C.sub.7)-alkoxy, (C.sub.2 -C.sub.7)-alkanoloxy, aryloxy, arylcarbonyloxy, (C.sub.1 -C.sub.7)-alkoxycarbonyloxy, aryl-(C.sub.1 -C.sub.7)-alkoxycarbonyloxy, aryloxycarbonyloxy, carbamoyloxy, mono- or di-(C.sub.1 -C.sub.7)-alkylcarbamoyloxy, pyrrolidinocarbonyloxy, piperidinocarbonyloxy, hydroxy-(C.sub.1 -C.sub.7)-alkyl, trifluoromethyl, di-(C.sub.1 -C.sub.7)-alkoxymethyl or (C.sub.2 -C.sub.3)-alkylenedioxymethyl or two of these substituents which are adjacent jointly and together with the carbon atoms to which they are attached are a 5-, 6- or 7-membered ring; and R.sup.9 is (C.sub.1 -C.sub.20)-alkyl, (C.sub.3 -C.sub.7)-cycloalkyl, (C.sub.3 -C.sub.7)-alkenylalkyl, (C.sub.3 -C.sub.7)-alkynylalkyl, substituted (C.sub.3 -C.sub.7)- alkenyl-alkyl, aryl, aryl-(C.sub.1 -C.sub.7)-alkyl, hydroxy- (C.sub.2 -C.sub.7)-alkyl, (C.sub.1 -C.sub.7)-alkoxy- (C.sub.2 -C.sub.7)-alkyl, (C.sub.1 -C.sub.7)-alkoxycarbonyl- (C.sub.1 -C.sub.7)-alkyl, carboxy-(C.sub.1 -C.sub.7)-alkyl, di-(C.sub.1 -C.sub.7)-alkoxycarbonyl-(C.sub.2 -C.sub.7)-alkyl, dicarboxy-(C.sub.2 -C.sub.7)-alkyl, carboxy-(C.sub.1 -C.sub.7)-alkylcarbamoyl-(C.sub.1 -C.sub.7)-alkyl, optionally N-substituted amino-(C.sub.2 -C.sub.7)-alkyl, optionally N-substituted amino-carboxy-(C.sub.2 -C.sub.7)-alkyl, optionally N-substituted amino-(C.sub.1 -C.sub.7)-alkoxycarbonyl-(C.sub.2 -C.sub.7)-alkyl, heteroaryl, heteroaryl-(C.sub.1 -C.sub.7)-alkyl or a residue derived from a cysteine-containing oligopeptide by elimination of the SH group; provided that when there is a net single positive charge there is an external anion, or a pharmaceutically acceptable acid addition salt thereof.

  苯并咪唑-2-基吡啶化合物的化学式为##STR1##其中A为--SR.sup.9，--SO.sub.3.sup.-或--S--SO.sub.3.sup.-；R.sup.1和R.sup.3分别为氢或(C.sub.1 -C.sub.7)-烷基；R.sup.2为氢，(C.sub.1 -C.sub.7)-烷基，(C.sub.1 -C.sub.7)-烷氧基或带负电荷的氧原子；R.sup.4为氢或带负电荷；R.sup.5，R.sup.6，R.sup.7和R.sup.8分别为氢，(C.sub.1 -C.sub.7)-烷基，芳基，卤素，氰基，硝基，甲酰基，(C.sub.2 -C.sub.7)-烷酰基，芳基羰基，羧基，羧基-(C.sub.1 -C.sub.7)-烷基，(C.sub.1 -C.sub.7)-烷氧羰基，芳氧羰基，芳基-(C.sub.1 -C.sub.7)-烷氧羰基，(C.sub.1 -C.sub.7)-烷氧羰基-(C.sub.1 -C.sub.7)-烷基，氨基甲酰基，单或双-(C.sub.1 -C.sub.7)-烷基氨基甲酰基，吡咯烷甲酰基，哌啶甲酰基，氨基甲酰基-(C.sub.1 -C.sub.7)-烷基，单或双-(C.sub.1 -C.sub.7)-烷基氨基甲酰基-(C.sub.1 -C.sub.7)-烷基，吡咯烷甲酰基-(C.sub.1 -C.sub.7)-烷基，哌啶甲酰基-(C.sub.1 -C.sub.7)-烷基，羟基，(C.sub.1 -C.sub.7)-烷氧基，(C.sub.2 -C.sub.7)-烷氧基，芳氧基，芳基羰氧基，(C.sub.1 -C.sub.7)-烷氧羰氧基，芳基-(C.sub.1 -C.sub.7)-烷氧羰氧基，芳氧羰氧基，氨基氧基，单或双-(C.sub.1 -C.sub.7)-烷基氨基氧基，吡咯烷甲酰氧基，哌啶甲酰氧基，羟基-(C.sub.1 -C.sub.7)-烷基，三氟甲基，双-(C.sub.1 -C.sub.7)-烷氧甲基或(C.sub.2 -C.sub.3)-烷二氧甲基或其中两个相邻的这些取代基与它们连接的碳原子一起形成5、6或7元环；R.sup.9为(C.sub.1 -C.sub.20)-烷基，(C.sub.3 -C.sub.7)-环烷基，(C.sub.3 -C.sub.7)-烯基烷基，(C.sub.3 -C.sub.7)-炔基烷基，取代的(C.sub.3 -C.sub.7)-烯基-烷基，芳基，芳基-(C.sub.1 -C.sub.7)-烷基，羟基-(C.sub.2 -C.sub.7)-烷基，(C.sub.1 -C.sub.7)-烷氧基-(C.sub.2 -C.sub.7)-烷基，(C.sub.1 -C.sub.7)-烷氧羰基-(C.sub.1 -C.sub.7)-烷基，羧基-(C.sub.1 -C.sub.7)-烷基，双-(C.sub.1 -C.sub.7)-烷氧羰基-(C.sub.2 -C.sub.7)-烷基，二羧基-(C.sub.2 -C.sub.7)-烷基，羧基-(C.sub.1 -C.sub.7)-烷基氨基甲酰基-(C.sub.1 -C.sub.7)-烷基，可选地N-取代氨基-(C.sub.2 -C.sub.7)-烷基，可选地N-取代氨基-羧基-(C.sub.2 -C.sub.7)-烷基，可选地N-取代氨基-(C.sub.1 -C.sub.7)-烷氧羰基-(C.sub.2 -C.sub.7)-烷基，杂环芳基，杂环芳基-(C.sub.1 -C.sub.7)-烷基或通过消除-SH基而得到的半胱氨酸寡肽的残基；但当存在净正电荷时，存在外部阴离子，或其药用可接受酸盐。
• Tricyclic imidazole derivatives
  申请人：Hoffmann-La Roche Inc.

  公开号：US04634710A1

  公开（公告）日：1987-01-06

  Tricyclic imidazole derivatives of formula I ##STR1## wherein one of R.sup.1 and R.sup.3 is lower alkyl and the other is hydrogen or lower alkyl, R.sup.2 is lower alkyl, n is the number 0 or 1, A is ##STR2## R.sup.4, R.sup.5, R.sup.6 and R.sup.7 each is lower alkyl and R.sup.8 is hydrogen or lower alkyl, and their acid addition salts are described. These compounds are useful as agents for control or prevention of ulcers and of increased gastric acid secretion.

  公式I的三环咪唑衍生物，其中R.sup.1和R.sup.3中的一个是较低的烷基，另一个是氢或较低的烷基，R.sup.2是较低的烷基，n是数字0或1，A是R.sup.4，R.sup.5，R.sup.6和R.sup.7各自是较低的烷基，R.sup.8是氢或较低的烷基，描述了它们的酸盐。这些化合物可用作控制或预防溃疡和胃酸分泌增加的药剂。
• Fluoroalkoxy substituted benzimidazoles useful as gastric acid secretion
  申请人：BYK Gulden Lomberg Chemische Fabrik GmbH

  公开号：US04758579A1

  公开（公告）日：1988-07-19

  Dialkoxypyridines of formula I ##STR1## wherein R1 is 1-3C-alkyl which is completely or predominantly substituted by fluorine, or a chlorodifluoromethyl radical and R1' is hydrogen, halo, trifluoromethyl, 1-3C-alkyl, or 1-3C-alkoxy which is optionally completely or predominantly substituted by fluorine, or R1 and R1', together with the oxygen atom to which R1 is bonded, are 1-2C-alkylenedioxy, which is optionally completely or partly substituted by fluorine, or chlorotrifluoroethylenedioxy, R3 is 1-3C-alkoxy, one of R2 and R4 is 1-3C-alkoxy and the other is a hydrogen atom or 1-3C-alkyl and n is 0 or 1, and salts thereof are new compounds with a pronounced protective action on the stomach. Processes for preparing these compounds, medicaments containing them and their use, as well as intermediate compounds and their use for preparing the subject dialkoxypyridines, are disclosed.

  式I的二烷氧基吡啶##STR1##其中R1是完全或主要由氟或氯二氟甲基取代的1-3C-烷基，R1'是氢、卤素、三氟甲基、1-3C-烷基或1-3C-烷氧基，后者可以选择性地完全或主要由氟取代，或R1和R1'连同与R1连接的氧原子一起，是1-2C-烷二氧基，后者可以选择性地完全或部分由氟取代，或氯三氟乙烯二氧基，R3是1-3C-烷氧基，R2和R4中的一个是1-3C-烷氧基，另一个是氢原子或1-3C-烷基，n为0或1，以及它们的盐是一种对胃具有显著保护作用的新化合物。揭示了制备这些化合物的方法，含有它们的药物及其用途，以及中间体化合物及其用途用于制备所述二烷氧基吡啶。
• Pyridyl methyl thio or sulfinyl indeno(5,6-d)imidazoles
  申请人：Hoffmann-La Roche Inc.

  公开号：US04554280A1

  公开（公告）日：1985-11-19

  Tricyclic imidazole derivatives of the formula ##STR1## wherein R.sup.1 is 2-pyridyl optionally substituted by lower alkyl or lower alkoxy, n is the integer 0 or 1, R.sup.2 is hydrogen or lower alkyl, R.sup.3 and R.sup.4, independently, are hydrogen or lower alkyl, A is a group of the formula ##STR2## m is the integer 2 or 3, R.sup.5, R.sup.6, R.sup.7 and R.sup.8, independently, are hydrogen or lower alkyl, and R.sup.9 is hydrogen and R.sup.10 is hydrogen or lower alkyl or R.sup.9 and R.sup.10 taken together are oxo, provided that at least one of R.sup.3 and R.sup.4 is lower alkyl when A is a group of the formula --CH.dbd.CH--CH.dbd.CH-- or --(CH.sub.2).sub.4 --, and their pharmaceutically acceptable acid addition salts. The compounds of formula I inhibit gastric acid secretion and prevent the formation of gastric ulcers.

  公式为 ##STR1## 的三环咪唑衍生物，其中R.sup.1是2-吡啶基，可选择地被低烷基或低烷氧基取代，n是整数0或1，R.sup.2是氢或低烷基，R.sup.3和R.sup.4独立地是氢或低烷基，A是公式 ##STR2## 的基团，m是整数2或3，R.sup.5，R.sup.6，R.sup.7和R.sup.8独立地是氢或低烷基，R.sup.9是氢，R.sup.10是氢或低烷基或R.sup.9和R.sup.10一起是氧代，但当A是公式--CH.dbd.CH--CH.dbd.CH--或--（CH.sub.2）.sub.4--的基团时，至少R.sup.3和R.sup.4中的一个是低烷基，它们的药学上可接受的酸盐。公式I的化合物抑制胃酸分泌并预防胃溃疡的形成。