2-溴-4-氯-1-硝基苯 | 63860-31-1

• 物质功能分类: 生物 - 细胞培养 - 添加剂
• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 2-溴-4-氯-1-硝基苯
• 中文别名: 2-溴-4-氯硝基苯
• 英文名称: 2-bromo-4-chloro-1-nitrobenzene
• 英文别名: 2-bromo-4-chloronitrobenzene
• CAS: 63860-31-1
• 化学式: C₆H₃BrClNO₂
• 分子量: 236.452
• InChiKey: VFMAPIFSXMBTQP-UHFFFAOYSA-N

物化性质

• 熔点：
  49-50℃
• 沸点：
  253℃
• 密度：
  1.827
• 闪点：
  107℃

计算性质

• 辛醇/水分配系数(LogP)：
  3.2
• 重原子数：
  11
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  45.8
• 氢给体数：
  0
• 氢受体数：
  2

安全信息

• 海关编码：
  2904909090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H335

反应信息

• 作为反应物：
  描述：

  2-溴-4-氯-1-硝基苯 在 palladium on activated charcoal potassium tert-butylate 、 氢气 、 N,N-二异丙基乙胺 作用下， 以 乙醇 、 甲苯 为溶剂， 反应 81.25h， 生成 (6-Chloro-3-oxo-4-propan-2-ylquinoxalin-2-yl) diethyl phosphate
  参考文献：
  名称：

  3-Phenyl-Substituted Imidazo[1,5-a]quinoxalin-4-ones and Imidazo[1,5-a]quinoxaline Ureas That Have High Affinity at the GABA_A/Benzodiazepine Receptor Complex

  摘要：

  A series of imidazo[1,5-alpha]quinoxalin-4-ones and imidazo[1,5-alpha]quinoxaline ureas containing substituted phenyl groups at the 3-position was developed. Compounds within the imidazo-[1,5-alpha]quinoxaline urea series had high affinity for the GABA(A)/benzodiazepine receptor complex with varying in vitro efficacy, although most analogs were partial agonists as indicated by [S-35]TBPS and Cl- current ratios. Interestingly, a subseries of piperazine ureas was identified which had biphasic efficacy, becoming more antagonistic with increasing concentration. Analogs within the imidazo [1,5-alpha] quinoxalin-4-one series had substantially decreased binding affinity as compared to the quinoxaline urea series. These compounds ranged from antagonists to full agonists by in. vitro analysis, with several derivatives having roughly 4-fold greater intrinsic activity than diazepam as indicated by Cl- current measurement. Numerous compounds from both series were effective in antagonizing metrazole-induced seizures, consistent with anti-convulsant properties and possible anxiolytic activity. Most of the quinoxaline ureas and quinoxalin-4-ones were active in an acute electroshock physical dependence side effect assay in mice precluding further development.

  DOI：

  10.1021/jm960070+
• 作为产物：
  描述：

  2-溴-4-氯苯胺 生成 2-溴-4-氯-1-硝基苯
  参考文献：
  名称：

  过渡金属催化的芳香胺化方案在药物化学中的适用性

  摘要：

  研究了钯和铜催化反应在药理学相关支架的芳族胺化反应中的应用。重点放在几种引入结构广泛的胺的方案的范围上，从而可以合成一种生物命中结构的多种衍生物，以便在生物测定系统中进行筛选。因此，获得最佳收率和TON并不是主要优先事项，最重要的是实践方面，即无需设想进一步纯化和干燥试剂和溶剂，理想情况下，仅需使用几种基于过渡金属的方案即可进行合成结构上足够多样（几毫克）的化合物，无需任何条件和催化系统的微调即可进行筛选。

  DOI：

  10.1002/adsc.200700133

文献信息

• Efficient one-pot transformation of aminoarenes to haloarenes using halodimethylisulfonium halides generated in situ
  作者：Woonphil Baik、Wanqiang Luan、Hyun Joo Lee、Cheol Hun Yoon、Sangho Koo、Byeong Hyo Kim

  DOI：10.1139/v05-026

  日期：2005.3.1

  Halodimethylsulfonium halide 1, which is readily formed in situ from hydrohaloic acid and DMSO, is a good nucleophilic halide. This activated nucleophilic halide rapidly converts aryldiazonium salt prepared in situ by the same hydrohaloic acid and nitrite ion to aryl chlorides, bromides, or iodides in good yield. The combined action of nitrite ion and hydrohaloic acid in DMSO is required for the direct transformation of aromatic amines, which results in the production of aryl halides within 1 h. Substituted compounds with electron-donating or -withdrawing groups or sterically hindered aromatic amines are also smoothly transformed to the corresponding aromatic halides. The only observed by-product is the deaminated arene (usually <7%). The isolated aryldiazonium salts can also be converted to the corresponding aryl halides using 1. The present method offers a facile, one-step procedure for transforming aminoarenes to haloarenes and lacks the environmental pollutants that usually accompany the Sandmeyer reaction using copper halides. Key words: aminoarenes, haloarenes, halodimethylsulfonium halide, halogenation, amination.

  卤二甲基亚砜卤化物1是一种良好的亲核卤化物，可在现场由氢卤酸和二甲亚砜形成。这种活化的亲核卤化物迅速将由相同的氢卤酸和亚硝酸根在现场制备的芳基重氮盐转化为芳基氯化物、溴化物或碘化物，收率较高。在DMSO中，亚硝酸根和氢卤酸的联合作用是直接转化芳香胺的必要条件，从而在1小时内产生芳基卤化物。带有电子给体或吸引基团或有立体位阻的芳香胺的取代化合物也可顺利转化为相应的芳香卤化物。观察到的唯一副产物是去氨基芳烃（通常<7%）。孤立的芳基重氮盐也可以使用1转化为相应的芳基卤化物。该方法提供了一种简便的、一步法的程序，用于将氨基芳烃转化为卤代芳烃，并且不伴随通常伴随使用铜卤化物进行桑迈尔反应的环境污染物。关键词：氨基芳烃，卤代芳烃，卤二甲基亚砜卤化物，卤化，胺化。
• Novel approach to synthesis of substituted 3-aminoquinolines from nitroarenes and protected ethyl aminocrotonate
  作者：Robert Bujok、Andrzej Kwast、Piotr Cmoch、Zbigniew Wróbel

  DOI：10.1016/j.tet.2009.11.060

  日期：2010.1

  The addition of mono- and dianions of ethyl N-pivaloyl-3-aminocrotonate to substituted nitroarenes, followed by action of silylating or acylating agent, leads to 3-aminoquinoline carboxylic acid derivatives. Hydrolysis and decarboxylation of the latter, carried out efficiently under relatively mild conditions, afford 3-aminoquinolines diversely substituted in the benzo-fused ring.

  将N-新戊酰基-3-氨基巴豆酸乙酯的单和二价阴离子加到取代的硝基芳烃上，然后甲硅烷基化或酰化剂作用，产生3-氨基喹啉羧酸衍生物。在相对温和的条件下有效地进行后者的水解和脱羧，得到在苯并稠合的环中被不同取代的3-氨基喹啉。
• Preparation and Biological Activity of 2-(4-(Thiazol-2-yl)phenyl)propionic Acid Derivatives Inhibiting Cyclooxygenase.
  作者：Youichiro NAITO、Tomokazu GOTO、Fumihiko AKAHOSHI、Shiniciro ONO、Haruko YOSHITOMI、Tadashi OKANO、Naoki SUGIYAMA、Shunichi ABE、Syuichi HANADA、Mitsuru HIRATA、Masahiro WATANABE、Chikara FUKAYA、Kazumasa YOKOYAMA、Toshio FUJITA

  DOI：10.1248/cpb.39.2323

  日期：——

  A series of 2-[4-(thiazol-2-yl)phenyl]propionic acids substituted at various positions were prepared by the reaction of diethyl 2-methyl-2-(4-thiocarbamoylphenyl)malonates with alpha-bromoaldehyde diethyl acetals or alpha-haloketones followed by hydrolysis of esters. The inhibition of prostaglandin H synthetase (cyclooxygenase) was assayed by use of an enzyme preparation from guinea pig polymorphonuclear

  通过使2-甲基-2-（4-硫代氨基甲酰基苯基）丙二酸二乙酯与α-溴醛二乙缩醛或α反应制备一系列在各个位置取代的2- [4-（噻唑-2-基）苯基]丙酸。 -卤代酮，然后酯水解。通过使用来自豚鼠多形核白细胞的酶制剂测定前列腺素H合成酶（环加氧酶）的抑制作用。这些化合物的结构活性关系的研究表明，苯环3位（R1）处的卤素和噻唑环4位（R2）和/或5位（R3）处的甲基被卤素取代是有利的抑制活性。在R2位带有大的烷基或极性官能团的化合物是弱抑制剂。测试了有效的环氧合酶抑制剂减轻角叉菜胶诱导的大鼠爪炎症的能力。这些衍生物由于对环加氧酶的强抑制作用而具有很强的抗炎活性，除了一些例外，包括那些在R1处带有硫代甲基的衍生物。
• Substituted Oxopyridine Derivatives and Use Thereof in the Treatment of Cardiovascular Disorders
  申请人：BAYER PHARMA AKTIENGESELLSCHAFT

  公开号：US20160052884A1

  公开（公告）日：2016-02-25

  The invention relates to substituted oxopyridine derivatives and to processes for their preparation, and also to their use for preparing medicaments for the treatment and/or prophylaxis of diseases, in particular cardiovascular disorders, preferably thrombotic or thromboembolic disorders, and oedemas, and also ophthalmic disorders.

  这项发明涉及替代的氧代吡啶衍生物及其制备方法，以及它们用于制备用于治疗和/或预防疾病的药物，特别是心血管疾病，优选是血栓性或血栓栓塞性疾病、水肿以及眼科疾病。
• Applicability Aspects of Transition Metal-Catalyzed Aromatic Amination Protocols in Medicinal Chemistry
  作者：Stefan Tasler、Jan Mies、Martin Lang

  DOI：10.1002/adsc.200700133

  日期：2007.10.8

  The application of palladium- and copper-catalyzed reactions for the aromatic amination of pharmacologically relevant scaffolds is investigated. The focus is set on the scope of several protocols for the introduction of amines of broad structural diversity, allowing for the synthesis of numerous derivatives of one biological hit structure for screening in biological assay systems. Thus, attaining optimized

  研究了钯和铜催化反应在药理学相关支架的芳族胺化反应中的应用。重点放在几种引入结构广泛的胺的方案的范围上，从而可以合成一种生物命中结构的多种衍生物，以便在生物测定系统中进行筛选。因此，获得最佳收率和TON并不是主要优先事项，最重要的是实践方面，即无需设想进一步纯化和干燥试剂和溶剂，理想情况下，仅需使用几种基于过渡金属的方案即可进行合成结构上足够多样（几毫克）的化合物，无需任何条件和催化系统的微调即可进行筛选。