5-Ethyl-1,2-dimethyl-pyrrol | 90154-79-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡咯
• 英文名称: 5-Ethyl-1,2-dimethyl-pyrrol
• 英文别名: 2-ethyl-1,5-dimethylpyrrole；1,2-Dimethyl-5-ethylpyrrole
• CAS: 90154-79-3
• 化学式: C₈H₁₃N
• 分子量: 123.198
• InChiKey: KMFHCIWNDJIDDL-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  9
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  4.9
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为反应物：
  描述：

  5-Ethyl-1,2-dimethyl-pyrrol 在 盐酸 、 锌 作用下， 生成 2-ethyl-1,5-dimethyl-2,5-dihydro-pyrrole
  参考文献：
  名称：

  Lukes; Vecera, Collection of Czechoslovak Chemical Communications, 1954, vol. 19, p. 263,267

  摘要：

  DOI：
• 作为产物：
  描述：

  2,5-庚二酮 、 甲胺 在 氨基磺酸 作用下， 以 乙醇 为溶剂， 以87%的产率得到5-Ethyl-1,2-dimethyl-pyrrol
  参考文献：
  名称：

  Palladium-Catalyzed C−H Arylation of 2,5-Substituted Pyrroles

  摘要：

  The palladium-catalyzed direct arylation of 2,5-substituted pyrrole derivatives with diaryliodonium salts to generate tri-, tetra-, and penta-substituted pyrrole products is described. The scope and limitations of these transformations are also reported.

  DOI：

  10.1021/ol102734g

文献信息

• SUBSTITUTED OXADIAZOLE COMPOUNDS AND THEIR USE AS OPIOID RECEPTOR LIGANDS
  申请人：MERLA Beatrix

  公开号：US20090005427A1

  公开（公告）日：2009-01-01

  Substituted oxadiazole compounds corresponding to formula I: in which X denotes CH, CH 2 , CH═CH, CH 2 CH 2 , CH 2 CH═CH or CH 2 CH 2 CH 2 ; R 1 denotes aryl or heteroaryl, in each case unsubstituted or mono- or polysubstituted; or a C 1-3 alkyl group-linked aryl or heteroaryl group, in each case unsubstituted or mono- or polysubstituted; R 2 denotes aryl or heteroaryl, in each case unsubstituted or mono- or polysubstituted; a C 1-3 alkyl chain-attached aryl group, in each case unsubstituted or mono- or polysubstituted; and R 3 and R 4 independently denote H; C 1-6 alkyl, in each case saturated or unsaturated, branched or unbranched, wherein R 3 and R 4 do not simultaneously mean H; or R 3 and R 4 together denote CH 2 CH 2 OCH 2 CH 2 , or (CH 2 ) 3-6 . The compounds have an affinity for the μ-opioid receptor and may take the form of the racemate; enantiomers, diastereomers, mixtures of enantiomers or diastereomers, an individual enantiomer or diastereomer, a free base, or a salt with a physiologically acceptable acid.

  将与式I对应的氧代二唑化合物替换为：其中X表示CH、CH2、CH═CH、CH2CH2、CH2CH═CH或CH2CH2CH2；R1表示芳基或杂环基，每种情况下未取代或单取代或多取代；或者与芳基或杂环基连接的C1-3烷基基团，每种情况下未取代或单取代或多取代；R2表示芳基或杂环基，每种情况下未取代或单取代或多取代；连接有C1-3烷基链的芳基基团，每种情况下未取代或单取代或多取代；R3和R4独立地表示H；C1-6烷基，每种情况下饱和或不饱和，支链或直链，其中R3和R4不同时表示H；或者R3和R4一起表示CH2CH2OCH2CH2，或(CH2)3-6。这些化合物对μ-阿片受体具有亲和力，可能采取消旋体的形式；对映异构体、二对映异构体、对映异构体或二对映异构体的混合物、单个对映异构体或二对映异构体、游离碱或与生理上可接受的酸形成盐。
• Sulfonamide containing compounds for treatment of inflammatory disorders
  申请人：Weingarten M. David

  公开号：US20090270454A1

  公开（公告）日：2009-10-29

  Provided are compounds, pharmaceutical compositions and methods of treatment or prophylaxis of an inflammatory condition, in particular asthma. The compounds are of the general Formula I, or a pharmaceutically acceptable salt, ester, prodrug or derivative thereof: wherein: X and Y are independently selected from —CH 2 — or —CH 2 —CH 2 —; Z is selected from S(O) m or Se(O) m and m is 0, 1 or 2; R 1 is optionally substituted heteroaryl or heterocyclic; R 2 is selected from the group consisting of hydrogen, C 1 -C 6 straight alkyl, and C 1 -C 6 branched alkyl, wherein all may be optionally substituted; and R 3 and R 4 are alkyl.

  提供了化合物、药物组合物及治疗或预防炎症状况，特别是哮喘的方法。该化合物属于一般式I，或其药学上可接受的盐、酯、前药或衍生物：其中，X和Y独立地选择自—CH2—或—CH2—CH2—；Z选择自S(O)m或Se(O)m，m为0、1或2；R1为可选择的取代杂环芳基或杂环基；R2选择自氢、C1-C6直链烷基和C1-C6支链烷基，其中所有基团均可选择性地取代；R3和R4为烷基。
• DERIVATIVES OF 4-PIPERAZIN-1-YL-4-BENZO[B]THIOPHENE SUITABLE FOR THE TREATMENT OF CNS DISORDERS
  申请人：OTSUKA PHARMACEUTICAL CO., LTD.

  公开号：US20140031334A1

  公开（公告）日：2014-01-30

  A heterocyclic compound or a salt thereof represented by the formula (1): where R 2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or lower alkenylene group; and R 1 represents an aromatic group or a heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.

  一种由公式（1）表示的杂环化合物或其盐： 其中，R2表示氢原子或低级烷基基团；A表示低级烷基烯基基团；R1表示芳香基团或杂环基团。本发明的化合物具有广泛的治疗精神障碍，包括中枢神经系统障碍的光谱，无副作用和高安全性。
• Derivatives of 4-piperazin-1-yl-4-benzo[b]thiophene suitable for the treatment of CNS disorders
  申请人：Otsuka Pharmaceutical Co., Limited

  公开号：EP2284169A1

  公开（公告）日：2011-02-16

  A heterocyclic compound or a salt thereof represented by the formula (I): where R2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or a lower alkenylene group; and R1 represents a benzene fused heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.

  一种杂环化合物或其盐，由式（I）代表： 其中 R2 代表氢原子或低级烷基；A 代表低级亚烷基或低级亚烯基；R1 代表苯融合杂环基团。本发明的化合物对包括中枢神经系统疾病在内的精神疾病具有治疗范围广、无副作用、安全性高等特点。
• Derivatives of 4-piperazin-1-yl-4-benzo[b]thiophene suitable for the treatment of cns disorders
  申请人：Otsuka Pharmaceutical Co., Ltd.

  公开号：EP2287162A1

  公开（公告）日：2011-02-23

  A heterocyclic compound or a salt thereof represented by the formula (I): where R2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or a lower alkenylene group; and R1 represents a cylo C3-C8 alkyl group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.

  一种杂环化合物或其盐，由式（I）代表： 其中 R2 代表氢原子或低级烷基；A 代表低级亚烷基或低级亚烯基；R1 代表环 C3-C8 烷基。本发明的化合物对包括中枢神经系统疾病在内的精神疾病具有治疗范围广、无副作用、安全性高等特点。