(1R,4R)-双环[2.2.2]辛烷-2,5-二酮 | 76478-53-0

• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: (1R,4R)-双环[2.2.2]辛烷-2,5-二酮
• 中文别名: (1R,4r)-双环[2.2.2]辛烷-2,5-二酮
• 英文名称: (+/-)-bicyclo<2.2.2>octane-2,5-dione
• 英文别名: (1R,4R)-Bicyclo[2.2.2]octane-2,5-dione
• CAS: 76478-53-0
• 化学式: C₈H₁₀O₂
• 分子量: 138.166
• InChiKey: WMJKUNDVKHUCMV-PHDIDXHHSA-N

物化性质

• 熔点：
  208-213 °C
• 沸点：
  268.3±33.0 °C(Predicted)
• 密度：
  1.191±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  -0.1
• 重原子数：
  10
• 可旋转键数：
  0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  34.1
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  (1R,4R)-双环[2.2.2]辛烷-2,5-二酮 在 palladium on activated charcoal 盐酸 、 硫酸 、 氢气 、 对甲苯磺酸 、 溶剂黄146 、 汞 、 锌 作用下， 以 乙醚 、 乙醇 、 二氯甲烷 、 苯 为溶剂， 生成
  参考文献：
  名称：

  Syntheses and racemization via intermolecular prototropy of optically active alkyltropylium ions. A novel scale for the kinetic brønsted basicity of organic solvents

  摘要：

  DOI：

  10.1016/s0040-4039(00)94498-8
• 作为产物：
  描述：

  bicyclo[2.2.2]oct-7-ene-2,5-dione 在 palladium on activated charcoal 氢气 作用下， 以 乙醇 为溶剂， 生成 (1R,4R)-双环[2.2.2]辛烷-2,5-二酮
  参考文献：
  名称：

  Syntheses and racemization via intermolecular prototropy of optically active alkyltropylium ions. A novel scale for the kinetic brønsted basicity of organic solvents

  摘要：

  DOI：

  10.1016/s0040-4039(00)94498-8

文献信息

• Preparation of <i>C</i>₂-Symmetric Bicyclo[2.2.2]octa-2,5-diene Ligands and Their Use for Rhodium-Catalyzed Asymmetric 1,4-Addition of Arylboronic Acids
  作者：Yusuke Otomaru、Kazuhiro Okamoto、Ryo Shintani、Tamio Hayashi

  DOI：10.1021/jo047831y

  日期：2005.4.1

  C2-Symmetric bicyclo[2.2.2]octa-2,5-dienes containing benzyl, phenyl, and substituted phenyl groups at 2 and 5 positions were prepared enantiomerically pure by way of bicyclo[2.2.2]octane-2,5-dione as a key intermediate. These chiral diene ligands were successfully applied to rhodium-catalyzed asymmetric 1,4-addition of arylboronic acids to α,β-unsaturated ketones. High enantioselectivity (up to 99%

  通过双环[2.2.2]辛烷-2,5-对映体纯制备C 2对称的在2和5位含有苄基，苯基和取代的苯基的双环[2.2.2] octa-2,5-二烯。二酮作为关键中间体。这些手性二烯配体已成功应用于铑催化的芳基硼酸向α，β-不饱和酮的不对称1,4-加成反应。除了环状和线性底物外，还观察到高对映选择性（高达99％ee）以及高催化活性。
• Methods for preparation of apremilast
  申请人：National Taiwan Normal University

  公开号：US11008288B1

  公开（公告）日：2021-05-18

  The present invention discloses a method for preparation of Apremilast. β-phthalimino vinylsulfones are reacted through the asymmetric addition reaction to form an addition product, and the drug of Apremilast can be obtained from the addition product through simple reactions. The method is a process for synthesizing Apremilast in a more efficient way.

  本发明公开了一种制备阿普利法酯的方法。通过不对称加成反应使β-邻苯二甲酰亚胺基乙烯磺酮发生反应形成加成产物，然后可以通过简单的反应从加成产物中得到阿普利法酯药物。该方法是以更高效的方式合成阿普利法酯的过程。
• Lipase YS-Catalyzed Enantioselective Transesterification of Alcohols of Bicarbocyclic Compounds
  作者：Koichiro Naemura、Hirotsugu Ida、Ritsuko Fukuda

  DOI：10.1246/bcsj.66.573

  日期：1993.2

  Lipase YS-catalyzed enantioselective acylations of (1RS, 2RS, 4RS, 5RS)-bicyclo[2.2.1]heptane-2,5-diol, (1RS, 2SR, 4RS, 5SR)-bicyclo[2.2.2]octane-2,5-diol, (1RS, 2RS, 4RS, 5RS)-bicyclo[2.2.2]octane-2,5-diol, and (1RS, 2SR, 5RS, 6SR)-bicyclo[3.3.1]nonane-2,6-diol with aryl acetates such as phenyl acetate, 1-naphthyl acetate, and 2-naphthyl acetate gave the monoacetates and the diols in optically active

  脂肪酶 YS 催化的 (1RS, 2RS, 4RS, 5RS)-bicyclo[2.2.1]heptane-2,5-diol, (1RS, 2SR, 4RS, 5SR)-bicyclo[2.2.2]octane-2 的对映选择性酰化,5-二醇、(1RS、2RS、4RS、5RS)-双环[2.2.2]辛烷-2,5-二醇和(1RS、2SR、5RS、6SR)-双环[3.3.1]壬烷-2， 6-二醇与乙酸芳基酯如乙酸苯酯、乙酸1-萘酯和乙酸2-萘酯得到单乙酸酯和旋光形式的二醇。(+)-(2R, 5R)-2-乙酰氧基双环[2.2.1]庚烷-5-醇，(-)-(1S, 2R, 4S, 5R)-2-乙酰氧基双环[2.2.2]的光学纯度使用乙酸苯酯获得的辛烷-5-醇和 (+)-(2R, 6R)-2-乙酰氧基双环[3.3.1]壬烷-6-醇高于已通过 PLE 催化水解拆分的单乙酸酯相应的外消旋二乙酸酯。使用苯酯如
• [EN] SALTS OF ISOBUTYRIC ACID (1 R*, 2R*, 4R* ) -2- (2-{ [3- (4, 7-DIMETH0XY-1 H-BENZOIMIDAZOL-2-YL) -PROPYL] -METHYL-AMINO } -ETHYL) -5-PHENYL-BICYCLO [2.2.2] OCT-5- EN- 2 -YL<br/>[FR] SELS DE L'ESTER DU (1R*,2R*,4R*)-2-(2-{[3-(4,7-DIMÉTHOXY-1H-BENZOIMIDAZOL-2-YL)-PROPYL]-MÉTHYL-AMINO}-ÉTHYL)-5-PHÉNYL-BICYCLO[2.2.2]OCT-5-ÈN-2-YLE DE L'ACIDE ISOBUTYRIQUE
  申请人：ACTELION PHARMACEUTICALS LTD

  公开号：WO2010046857A1

  公开（公告）日：2010-04-29

  The invention relates to crystalline salts of isobutyric acid (1R*,2R*,4R*)-2-(2-[3-(4,7-dimethoxy-1H-benzoimidazol-2-yl)-propyl]-methyl-amino}-ethyl)-5-phenyl-bicyclo[2.2.2]oct-5-en-2-yl ester, processes for the preparation thereof, pharmaceutical compositions containing said crystalline salts, and their use as medicaments, especially as calcium channel blockers.

  该发明涉及异丁酸晶体盐（1R*，2R*，4R*）-2-（2-[3-（4,7-二甲氧基-1H-苯并咪唑-2-基）-丙基]-甲基氨基}-乙基）-5-苯基-双环[2.2.2]辛-5-烯-2-基酯，其制备方法，含有所述晶体盐的药物组合物，以及其作为药物的用途，特别是作为钙通道阻滞剂。
• BENZIMIDAZOLE DERIVATIVES AS CALCIUM CHANNEL BLOCKERS
  申请人：Hubler Francis

  公开号：US20110039905A1

  公开（公告）日：2011-02-17

  The invention relates to compounds of formula (I) wherein R 1 represents aryl, which is unsubstituted, or mono-, di-, or tri-substituted wherein the substituents are independently selected from the group consisting of (C 1-4 )alkyl, (C 1-4 )alkoxy, halogen, and trifluoromethyl; R 2 represents hydrogen, or —CO—R 21 ; R 21 represents (C 1-5 )alkyl, (C 1-3 )fluoroalkyl, or (C 3-6 )cycloalkyl; m represents the integer 2, or 3; p represents the integer 2 or 3; and R 3 represents hydrogen, or (C 1-5 )alkyl; and pharmaceutically acceptable salts of such compounds. These compounds are useful as calcium channel blockers.

  该发明涉及以下式(I)的化合物，其中R1代表芳基，未取代，或者单取代、双取代或三取代，其中取代基独立地选自(C1-4)烷基，(C1-4)氧烷基，卤素和三氟甲基组成的组；R2代表氢，或者—CO—R21；R21代表(C1-5)烷基，(C1-3)氟烷基或(C3-6)环烷基；m表示整数2或3；p表示整数2或3；和R3代表氢，或者(C1-5)烷基；以及这些化合物的药用盐。这些化合物可用作钙通道阻滞剂。