1-(4-chlorophenyl)-1H-pyrazole | 25419-86-7

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 英文名称: 1-(4-chlorophenyl)-1H-pyrazole
• 英文别名: 1-(4-chlorophenyl)pyrazole；1-(4-Chlor-phenyl)-pyrazol
• CAS: 25419-86-7
• 化学式: C₉H₇ClN₂
• 分子量: 178.621
• InChiKey: CLGKHQCZJWOXGO-UHFFFAOYSA-N

物化性质

• 熔点：
  52 °C
• 沸点：
  108-110 °C(Press: 0.5 Torr)
• 密度：
  1.23±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  12
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  17.8
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  1-(4-chlorophenyl)-1H-pyrazole 在 双氧水 、 碘 作用下， 以 水 、 乙腈 为溶剂， 反应 24.0h， 以98%的产率得到1-(4-chlorophenyl)-4-iodo-1H-pyrazole
  参考文献：
  名称：

  Synthesis and pharmacological evaluation of new N-phenylpiperazine derivatives designed as homologues of the antipsychotic lead compound LASSBio-579

  摘要：

  In an attempt to increase the affinity of our antipsychotic lead compound LASSBio-579 (1-((1-(4-chlorophenyl)-1H-pyrazol-4-yl)methyl)-4-phenylpiperazine; (2)) for the 5-HT2A receptor, we synthesized five new N-phenylpiperazine derivatives using a linear synthetic route and the homologation strategy. The binding profile of these compounds was evaluated for a series of dopaminergic, serotonergic and alpha-adrenergic receptors relevant for schizophrenia, using classical competition assays. Increasing the length of the spacer between the functional groups of (2) proved to be appropriated since the affinity of these compounds increased 3-10-fold for the 5-HT2A receptor, with no relevant change in the affinity for the D-2-like and 5-HT1A receptors. A GTP-shift assay also indicated that the most promising derivative (1-(4-(1-(4-chlorophenyl)-1H-pyrazol-4-yl) butyl)-4-phenylpiperazine) (LASSBio-1635) (6) has the expected efficacy at the 5-HT2A receptors, acting as an antagonist. Intraperitoneal administration of (6) prevented apomorphine-induced climbing behavior and ketamine-induced hyperlocomotion in mice, in a dose dependent manner. Together, these results show that (6) could be considered as a new antipsychotic lead compound. (C) 2013 Elsevier Masson SAS. All rights reserved.

  DOI：

  10.1016/j.ejmech.2013.05.027
• 作为产物：
  描述：

  对氯苯胺 在 potassium carbonate 、 copper(l) chloride 、 sodium nitrite 作用下， 以 水 、 二甲基亚砜 为溶剂， 反应 16.33h， 生成 1-(4-chlorophenyl)-1H-pyrazole
  参考文献：
  名称：

  含 NH 杂环和磺酰胺与芳烃重氮四氟硼酸盐的高效铜催化 N-芳基化

  摘要：

  摘要 以 CuCl 为催化剂，K2CO3 为添加剂，在无配体条件下，开发了一种实用的铜催化含 NH 杂环与芳烃重氮四氟硼酸盐的 N-芳基化。该反应体系具有广泛的底物范围，包括酰亚胺、1H-吡唑、1H-四唑、1,2-苯并异噻唑-3(2H)-酮和相关磺胺类化合物，并能获得中等至极好的收率（高达 95%）的所需产物. 该策略非常通用、简单、环保且耐氧。图形概要

  DOI：

  10.1080/00397911.2017.1284239

文献信息

• Salen–Cu(II) Complex Catalysed N-Arylation of Pyrazole under Mild Conditions
  作者：Yan Liu、Wei Liu、Qin Zhang、Ping Liu、Jian-Wei Xie、Bin Dai

  DOI：10.3184/174751913x13795203316679

  日期：2013.10

  2-cyclohexenediamine), and (Salph)Cu (salph = N, N’-bis(salicylidene)-1,2-phenylenediamine) were synthesised and evaluated as catalysts for the N-arylation of pyrazole with aryl halides. A variety of aryl iodides and bromides underwent coupling with pyrazole, promoted by the (Saldch)Cu complex, in moderate to excellent yields without the protection by an inert gas.

  三种廉价且空气/水分稳定的复合物 (Salden)Cu (Salden = N, N'-双(salicylidene)-1,2-二甲基乙二胺), (Saldch)Cu (Saldch = N, N'-bis(salicylidene) -1,2-环己二胺）和（Salph）Cu（salph = N，N'-双（水杨烯）-1,2-苯二胺）被合成并评估为吡唑与芳基卤化物的 N-芳基化的催化剂。在 (Saldch)Cu 配合物的促进下，各种芳基碘化物和溴化物与吡唑偶联，产率中等至极好，无需惰性气体保护。
• Room-Temperature Copper-Catalyzed Carbon-Nitrogen Coupling of Aryl Iodides and Bromides Promoted by Organic Ionic Bases
  作者：Chu-Ting Yang、Yao Fu、Yao-Bing Huang、Jun Yi、Qing-Xiang Guo、Lei Liu

  DOI：10.1002/anie.200903158

  日期：2009.9.21

  solubility alone does not explain the performance of organic ionic bases in the room‐temperature coupling of aryl iodides and even bromides with aliphatic and aromatic amines and N‐heterocycles (NuH; see scheme). Conductivity measurements show that these organic ionic bases, which contain tetraalkylammonium or ‐phosphonium cations, are readily ionized in organic solvents.

  仅仅良好的溶解度并不能解释有机离子碱在芳基碘化物甚至溴化物与脂族和芳族胺以及N杂环的室温偶联中的性能（NuH；参见方案）。电导率测量表明，这些含有四烷基铵或阳离子的有机离子碱在有机溶剂中很容易被电离。
• Aromatic N-Arylations Catalyzed by Copper-Anchored Porous Zinc-Based Metal-Organic Framework under Heterogeneous Conditions
  作者：Tanmoy Maity、Debraj Saha、Subratanath Koner

  DOI：10.1002/cctc.201400056

  日期：2014.8

  A highly porous Zn‐based metal–organic framework (MOF) IRMOF‐3 was covalently decorated with pyridine‐2‐aldehyde. The free amine group of IRMOF‐3 upon condensation with pyridine‐2‐aldehyde affords a bidentate Schiff‐base moiety in the porous matrix. The Schiff base moieties are availed to anchor copper(II) ions to display the catalyst’s utility towards catalytic reactions. The catalyst was characterized

  高度多孔的锌基金属-有机骨架（MOF）IRMOF-3与吡啶-2-醛共价修饰。与吡啶-2-醛缩合后，IRMOF-3的游离胺基在多孔基质中提供双齿席夫碱部分。席夫碱部分可用于锚定铜（II）离子，以显示催化剂对催化反应的效用。通过紫外/可见光和红外光谱，粉末XRD光谱，SEM能量色散X射线光谱和氮吸附测量对催化剂进行了表征。在Cs 2 CO 3存在下，在温和条件下（90°C），该催化剂在DMSO介质中催化含氮杂环与芳基溴的N-芳基化反应具有出色的催化活性。。由于MOF的孔内存在活性位点，因此多孔催化剂表现出对底物的尺寸选择性。在多达五个连续的催化循环中，锚固的配合物似乎在催化反应过程中不会被浸出或分解，这显示出优于均相催化的实际优势。
• Copper-Catalyzed Arylation of Nitrogen Heterocycles from Anilines under Ligand-Free Conditions
  作者：Dounia Toummini、Anis Tlili、Julien Bergès、Fouad Ouazzani、Marc Taillefer

  DOI：10.1002/chem.201404982

  日期：2014.11.3

  The arylation of pyrazole and derivatives can be achieved by coupling arenediazonium species (formed in situ from anilines) by using a catalytic system that employs low‐toxicity and inexpensive copper metal under very mild and ligand‐free conditions (T=20 °C). From other nitrogen heterocycles, the presence of an additive (NBu4I) significantly improves the efficiency of the catalytic system. These results

  吡唑和衍生物的芳基化反应可以通过使用催化系统偶联槟榔重氮物种（由苯胺原位形成）来实现，该催化系统在非常温和且无配体的条件下（T = 20°C）使用低毒性和廉价的铜金属。与其他氮杂环相比，添加剂（NBu 4 I）的存在可显着提高催化体系的效率。这些结果代表C的第一实施例从芳基重氮物种N键的形成。
• Cu-Catalyzed Carbon-Heteroatom Coupling Reactions under Mild Conditions Promoted by Resin-Bound Organic Ionic Bases
  作者：Yao-Bing Huang、Chu-Ting Yang、Jun Yi、Xiao-Jian Deng、Yao Fu、Lei Liu

  DOI：10.1021/jo101917x

  日期：2011.2.4

  is slightly better than that of the corresponding Cs salts in Cu-catalyzed C−N cross-couplings, while the tetraalkylphosphonium-type RBOIBs are significantly better than all the inorganic bases. With these newly developed RBOIBs, room-temperature Cu-catalyzed C−N coupling with various nonactivated aryl iodides and even aryl bromides can be readily accomplished. Moreover, RBOIBs can be easily recycled

  开发了树脂结合的有机离子碱（RBOIBs），其中四烷基铵或阳离子共价连接到固体树脂上。应用测试表明，四烷基铵型RBIOBs在铜催化的C-N交叉偶联中的性能略好于相应的Cs盐，而四烷基phosph型RBIOBs的性能明显优于所有无机碱。 。借助这些新近开发的RBOIB，可以轻松实现室温下Cu催化的CN与各种未活化的芳基碘化物，甚至是芳基溴化物的偶联。而且，RBOBI可以轻松回收再利用多次，而不会造成很多活动。提出RBOIB的良好性能是由于阳离子聚合物主链与碱性阴离子之间的结合力相对较弱，与无机碱中的强金属阴离子相互作用相反。RBOIB在室温下镍催化的Suzuki型偶合，-30°C下的Cu催化的C-N偶合，60°C下的Pd催化的Heck反应以及在室温下的Cu催化的C-S偶合中的进一步应用温度证明了RBOIB是普遍适用的碱，其对许多其他类型的有机转化均具有改善的性能。