2-ethyl-1,4-difluorobenzene | 656-03-1

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 2-ethyl-1,4-difluorobenzene
• 英文别名: 2,5-Difluoraethylbenzol
• CAS: 656-03-1
• 化学式: C₈H₈F₂
• 分子量: 142.148
• InChiKey: SMWZLURIVGDUAU-UHFFFAOYSA-N

物化性质

• 沸点：
  60-61 °C(Press: 45 Torr)
• 密度：
  1.1003 g/cm3

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  10
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2-ethyl-1,4-difluorobenzene 在 溴 、 过氧化苯甲酰 作用下， 以 四氯化碳 为溶剂， 生成 2,5-Difluor-α-brom-ethylbenzol
  参考文献：
  名称：

  2,3-Difluorostyrene and 2-Chloro-5-fluorostyrene. The Preparation of Aromatic Fluorine Compounds

  摘要：

  DOI：

  10.1021/jo01062a067
• 作为产物：
  描述：

  乙烯 、 1,4-二氟苯 在 三氯化铝 作用下， 生成 2-ethyl-1,4-difluorobenzene
  参考文献：
  名称：

  2,3-Difluorostyrene and 2-Chloro-5-fluorostyrene. The Preparation of Aromatic Fluorine Compounds

  摘要：

  DOI：

  10.1021/jo01062a067

文献信息

• [EN] 2, 3, 6-TRISUBSTITUTED-4-PYRIMIDONE DERIVATIVES<br/>[FR] DERIVES DE 2,3,6-TRISUBSTITUE 4-PYRIMIDONE
  申请人：MITSUBISHI PHARMA CORP

  公开号：WO2004085408A1

  公开（公告）日：2004-10-07

  A pyrimidone derivative having tau protein kinase 1 inhibitory activity which is represented by formula (I) or a salt thereof, or a solvate thereof or a hydrate thereof; useful for prventive and/or therapeutic treatment of diseass such as neurodegenerative diseases (e.g. Alzheimer disease); wherein Q represents CH or nitrogen atom; R represents a C1-C12 alkyl group; the ring of Formula (I): represents piperazine ring or piperidine ring; each X independently represents a C1-C8 alkyl group, an optionally partially hydrogenated C6-C10 aryl ring, an indan ring or the like; m represents an integer of 1 to 3; each Y independently represents a halogen atom, a hydroxy group, a cyano group, a C1-C6 alkyl group or the like; n represents an integer of 0 to 8; when X and Y or two Y groups are attached on the same carbon atom, they may combine to each other to form a C2-C6 alkylene group.

  一种具有tau蛋白激酶1抑制活性的嘧啶酮衍生物，其由化学式（I）或其盐、溶剂合物或水合物表示；用于预防和/或治疗神经退行性疾病（例如阿尔茨海默病）；其中Q代表CH或氮原子；R代表C1-C12烷基基团；化学式（I）的环：代表哌嗪环或哌啶环；每个X独立地代表C1-C8烷基基团、可选择性部分氢化的C6-C10芳环、茚环或类似物；m代表1到3的整数；每个Y独立地代表卤素原子、羟基、氰基、C1-C6烷基基团或类似物；n代表0到8的整数；当X和Y或两个Y基团连接在同一碳原子上时，它们可以结合形成C2-C6烷基基团。
• [EN] PYRIMIDINE, PYRIDINE AND TRIAZINE DERIVATIVES AS MAXI-K CHANNEL OPENERS.<br/>[FR] DÉRIVÉS DE PYRIMIDINE, PYRIDINE ET TRIAZINE EN TANT QU'OUVREURS DE CANAUX MAXI-K
  申请人：MITSUBISHI TANABE PHARMA CORP

  公开号：WO2009125870A1

  公开（公告）日：2009-10-15

  A compound of formula (A); wherein ring A is an aromatic ring or a heteroaromatic ring; R1 is independently halogen, cyano, etc., each of X1, X2 and X3 is CR2 or nitrogen, R2 is independently hydrogen, etc., n is 0, 1, 2, 3 or 4; -D-Y is -O-CH2COOH, etc, and G is a substituted amino, a substituted heterocyclic group, etc, or a pharmaceutical acceptable salt thereof, has activities of opening BK channels.

  化合物的结构式（A）；其中环A是芳香环或杂芳环；R1独立地是卤素、氰基等；X1、X2和X3中的每一个是CR2或氮，R2独立地是氢等；n为0、1、2、3或4；-D-Y是-O-CH2COOH等；G是取代氨基、取代杂环基等，或其药用可接受盐，具有开放BK通道的活性。
• CGRP Receptor Antagonists
  申请人：Luo Guanglin

  公开号：US20090258866A1

  公开（公告）日：2009-10-15

  The disclosure generally relates to the novel compounds of formula I, including their salts, which are CGRP receptor antagonists. The disclosure also relates to pharmaceutical compositions and methods for using the compounds in the treatment of CGRP related disorders including migraine and other headaches, neurogenic vasodilation, neurogenic inflammation, thermal injury, circulatory shock, flushing associated with menopause, airway inflammatory diseases such as asthma, and chronic obstructive pulmonary disease (COPD).

  本公开通常涉及公式I的新化合物，包括它们的盐，这些盐是CGRP受体拮抗剂。本公开还涉及用于治疗CGRP相关疾病，包括偏头痛和其他头痛、神经源性血管扩张、神经源性炎症、热损伤、循环性休克、与更年期相关的潮红、气道炎症性疾病如哮喘和慢性阻塞性肺病（COPD）的药物组合物和方法。
• 6-Membered heterocyclic compound and use thereof
  申请人：Shoda Motoshi

  公开号：US20070060590A1

  公开（公告）日：2007-03-15

  A compound represented by the general formula (I) or a salt thereof: [T represents oxygen atom and the like; V represents CH 2 and the like; R O1 to R O4 represent hydrogen atom and the like; A represents a linear alkylene group or linear alkenylene group having 2 to 8 carbon atoms and the like; D represents carboxyl group and the like; X represents ethylene group, trimethylene group and the like; E represents —CH(OH)— group and the like; and W represent —U 1 —(R W1 )(R W2 )—U 2 —U 3 group (U 1 represents a single bond, an alkylene group having 1 to 4 carbon atoms and the like; R W1 and R W2 represent hydrogen atom and the like; U 2 represents a single bond, an alkylene group having 1 to 4 carbon atoms and the like; and U 3 represent an alkyl group having 1 to 8 carbon atoms and the like), or a residue of a carbon ring or heterocyclic compound], which can be utilized as an active ingredient of medicaments effective for prophylactic and/or therapeutic treatment of skeletal diseases such as osteoporosis and fracture, glaucoma, ulcerative colitis and the like.

  由通用公式(I)表示的化合物或其盐： [T代表氧原子等；V代表CH2等；RO1至RO4代表氢原子等；A代表具有2至8个碳原子的线型亚烷基或线型亚烯基等；D代表羧基等；X代表亚乙基、亚丙基等；E代表—CH(OH)—基团等；W代表—U1—(RW1)(RW2)—U2—U3基团（U1代表单键、具有1至4个碳原子的亚烷基等；RW1和RW2代表氢原子等；U2代表单键、具有1至4个碳原子的亚烷基等；U3代表具有1至8个碳原子的烷基等），或碳环或杂环化合物的残基]，其可作为预防性和/或治疗性药物的有效成分，用于治疗骨骼疾病如骨质疏松症和骨折、青光眼、溃疡性结肠炎等。
• [EN] IMIDAZOLE COMPOUNDS AS MODULATORS OF FSHR AND USES THEREOF<br/>[FR] COMPOSÉS IMIDAZOLE SERVANT DE MODULATEURS DES RÉCEPTEURS DE LA FSHR ET LEURS UTILISATIONS
  申请人：MERCK PATENT GMBH

  公开号：WO2014209978A1

  公开（公告）日：2014-12-31

  The present invention relates to imidazole compounds, and pharmaceutically acceptable compositions thereof, useful as positive allosteric modulators of follicle stimulating hormone receptor (FSHR).

  本发明涉及咪唑化合物，以及由此产生的药物可接受的组合物，可用作促卵泡激素受体（FSHR）的正变构调节剂。