1-(3-bromoprop-1-enyl)-2,4-dichlorobenzene | 1359132-03-8

• 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: 1-(3-bromoprop-1-enyl)-2,4-dichlorobenzene
• 英文别名: 2,4-dichlorocinnamyl bromide
• CAS: 1359132-03-8
• 化学式: C₉H₇BrCl₂
• 分子量: 265.965
• InChiKey: VGFWKONURKQUGQ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.2
• 重原子数：
  12
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.11
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为反应物：
  描述：

  1-(1-苯并呋喃-7-基)-N-甲基甲胺 、 1-(3-bromoprop-1-enyl)-2,4-dichlorobenzene 在 potassium carbonate 、 盐酸 作用下， 以 N,N-二甲基甲酰胺 、 乙酸乙酯 为溶剂， 反应 0.02h， 以57%的产率得到(E)-N-methyl-N-[(benzofuran-7-yl)methyl]-3-(2,4-dichlorophenyl)prop-2-en-1-amine hydrochloride
  参考文献：
  名称：

  Discovery of Potent Benzofuran-Derived Diapophytoene Desaturase (CrtN) Inhibitors with Enhanced Oral Bioavailability for the Treatment of Methicillin-Resistant Staphylococcus aureus (MRSA) Infections

  摘要：

  Blocking the staphyloxanthin biosynthesis process has emerged as a new promising antivirulence strategy. Previously, we first revealed that CrtN is a druggable target against infections caused by pigmented Staphylococcus aureus (S. aureus) and that naftifine was an effective CrtN inhibitor. Here, we identify a new type of benzofuran-derived CrtN inhibitor with submicromolar IC50 values that is based on the naftifine scaffold. The most potent analog, 5m, inhibits the pigment production of S. aureus Newman and three MRSA strains, with IC50 values of 0.38-5.45 nM, without any impact on the survival of four strains (up to 200 mu M). Notably, compound 5m (1 mu M) could significantly sensitize four strains to immune clearance and could effectively attenuate the virulence of three strains in vivo. Moreover, 5m was determined to be a weak antifungal reagent (MIC > 16 mu g/mL). Combined with good oral bioavailability (F = 42.2%) and excellent safety profiles, these data demonstrate that 5m may be a good candidate for the treatment of MRSA infections.

  DOI：

  10.1021/acs.jmedchem.5b01984
• 作为产物：
  描述：

  3-(2,4-二氯苯基)-2-丙烯-1-醇 在 三溴化磷 作用下， 以 乙醚 为溶剂， 生成 1-(3-bromoprop-1-enyl)-2,4-dichlorobenzene
  参考文献：
  名称：

  Discovery of Potent Benzofuran-Derived Diapophytoene Desaturase (CrtN) Inhibitors with Enhanced Oral Bioavailability for the Treatment of Methicillin-Resistant Staphylococcus aureus (MRSA) Infections

  摘要：

  Blocking the staphyloxanthin biosynthesis process has emerged as a new promising antivirulence strategy. Previously, we first revealed that CrtN is a druggable target against infections caused by pigmented Staphylococcus aureus (S. aureus) and that naftifine was an effective CrtN inhibitor. Here, we identify a new type of benzofuran-derived CrtN inhibitor with submicromolar IC50 values that is based on the naftifine scaffold. The most potent analog, 5m, inhibits the pigment production of S. aureus Newman and three MRSA strains, with IC50 values of 0.38-5.45 nM, without any impact on the survival of four strains (up to 200 mu M). Notably, compound 5m (1 mu M) could significantly sensitize four strains to immune clearance and could effectively attenuate the virulence of three strains in vivo. Moreover, 5m was determined to be a weak antifungal reagent (MIC > 16 mu g/mL). Combined with good oral bioavailability (F = 42.2%) and excellent safety profiles, these data demonstrate that 5m may be a good candidate for the treatment of MRSA infections.

  DOI：

  10.1021/acs.jmedchem.5b01984

文献信息

• A mild and efficient method for bromination of alcohols using α,α-dibromo-β-dicarbonyl compounds as halogen sources
  作者：Xiao-Meng Cui、Yong-Hong Guan、Na Li、Hao Lv、Lin-An Fu、Kun Guo、Xiaohui Fan

  DOI：10.1016/j.tetlet.2013.10.120

  日期：2014.1

  Exploration of α,α-dibromo-β-dicarbonyl compounds as novel bromine agents for the conversion of alcohols to alkyl bromides under neutral conditions has been achieved. This method can be used for acid-sensitive substrates and allows the bromination of various primary and secondary alcohols to proceed at room temperature within a very short period of time.

  已经探索了作为新型溴化剂的α，α-二溴-β-二羰基化合物用于在中性条件下将醇转化为烷基溴化物的方法。该方法可用于酸敏感的底物，并允许各种伯醇和仲醇的溴化在非常短的时间内在室温下进行。
• Combined Theoretical and Experimental Study on High Diastereoselective Chirality Transfer Based on [2.2]Paracyclophane Derivative Chiral Reagent
  作者：Biao Jiang、Lei Han、Yong-Le Li、Xiao-Long Zhao、Yang Lei、Dai-Qian Xie、John Z. H. Zhang

  DOI：10.1021/jo202186e

  日期：2012.2.17

  We report a paracyclophane N-Me thioamide chiral reagent for the asymmetric thio-Claisen rearrangement with high diasteroselectivity. Comparisons between candidate chiral reagent N-phenyl-N-([2.2]paracyclophan-4-yl)amide, N-methyl amide, N-phenyl thioamide, and N-methyl thioamide are made both by experiment and theoretical calculations to clarify the principle behind the high diasteroselectivity. Dynamic H-1 NMR phenomenon tested by varying temperature (VT) experiments has proved that N-Ph amides have triple splitting peaks, while N-Ph thioamide would reduce the number to two, further substituting the Ph to Me made dynamic phenomenon disappear. So the side chain is thought to be the most rigid in N-Me thioamide, which accounts for a structure prerequisite favoring high efficient chirality transfer. This is confirmed by theoretical calculation: remarkable energy difference exists between the Re and Si faces of the chiral molecule. To further clarify the possible pathways for thio-Claisen rearrangement, theoretical prediction is adopted. The result implies that the cisoid pathways will dominate the process. Further experiment confirmed this: with N-Me thioamide, the asymmetrical reaction affords gamma-unsaturated thioamides in good yields and high diastereoselectivities up to 98%. After removing the thioamide auxiliaries under hydrolysis conditions, product beta,gamma-substituted chiral alcohols reached high enantiopurity of 98% ee.