3-(4-hydroxyphenyl)-4-nitro-1-phenylbutan-1-one | 219607-54-2

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 直链 1,3-二芳基丙烷
• 英文名称: 3-(4-hydroxyphenyl)-4-nitro-1-phenylbutan-1-one
• CAS: 219607-54-2
• 化学式: C₁₆H₁₅NO₄
• 分子量: 285.299
• InChiKey: CERCFEYECXMFAY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  21
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.19
• 拓扑面积：
  83.1
• 氢给体数：
  1
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  3-(4-hydroxyphenyl)-4-nitro-1-phenylbutan-1-one 在 ammonium acetate 作用下， 以 正丁醇 为溶剂， 反应 24.0h， 以30.6%的产率得到4-{2-[3-(4-hydroxyphenyl)-5-phenyl-1H-pyrrol-2-ylimino]-5-phenyl-2H-pyrrol-3-yl}phenol
  参考文献：
  名称：

  用邻苯二甲腈基团取代的 Aza-BODIPY 光敏剂：乳腺癌的合成、光物理性质和体外试验

  摘要：

  在光动力疗法 (PDT) 中，活性氧 (ROS) 通过特定波长的光、光敏剂 (PS) 和分子氧之间的动态相互作用产生。如今，评估BF 2螯合的四芳基氮杂二吡咯甲烷（aza-BODIPYs）作为光敏剂在PDT中的可能用途的研究数量有所增加。在本研究中，通过邻苯二甲腈衍生物即 4-((3,4-二氰基苯基)硫烷基)苯甲酸与对位带有羟基的 aza-BODIPY 进行酯化反应，合成了一种具有邻苯二甲腈取代基的新型 aza-BODIPY。远端苯基。带有邻苯二甲腈取代基的 Aza-BODIPY 化合物通过使用 UV-Vis、荧光、1H-NMR和质谱技术。测定了光物理和光化学性质，包括荧光量子产率和单线态氧产率。为了探索其光动力功效，通过暗和光细胞毒性对乳腺癌细胞系（MCF-7 细胞）和正常健康细胞系（L929 细胞）进行了测试。

  DOI：

  10.1016/j.molstruc.2022.134019
• 作为产物：
  描述：

  苯乙酮 在 二乙胺 、 potassium hydroxide 作用下， 以 乙醇 、 水 为溶剂， 反应 48.0h， 生成 3-(4-hydroxyphenyl)-4-nitro-1-phenylbutan-1-one
  参考文献：
  名称：

  双铁茂铁/ BF 2-螯合的氮杂二吡咯甲烯/富勒烯四元体中依赖于激发波长的超快光诱导电子转移

  摘要：

  供体-受体的距离，方向和光激发波长是控制天然和合成系统中电子转移反应的效率和机理的关键因素。尽管距离和方向效应已在简单的供体-受体二元组中成功证明，但要揭示激发波长依赖的光化学性质，则需要使用多模块，光合反应中心模型化合物。在这里，我们成功地证明了以新合成的新颖双分子为特征的双铁茂铁，BF 2的供体-受体激发-波长依赖性，超快电荷分离和电荷重组。螯合的氮杂二吡咯亚甲基和富勒烯实体。使用多步合成程序合成的四联体显示了各个组分的特征性光学，氧化还原和光反应性，并具有“紧密”和“远距离”定位的供体-受体系统。发射近红外光的BF 2螯合的氮杂二吡咯甲烷与富勒烯一起充当光敏电子受体，而二茂铁实体则充当电子给体。飞秒瞬态吸收光谱法探测到这两个四元组都揭示了与激发波长有关的光诱导电子转移事件。也就是说，在C 60激发后形成Fc + –ADP–C 60 .-电荷分离状态，并且Fc + –ADP.- -C 60在ADP激励形成是证明。

  DOI：

  10.1002/chem.201204317

文献信息

• Systems And Methods For High-Resolution Imaging
  申请人：Board of Regents, The University Of Texas System

  公开号：US20140206031A1

  公开（公告）日：2014-07-24

  In one aspect, methods of imaging are described herein. In some embodiments, a method of imaging described herein comprises disposing a population of ultrasound-switchable fluorophores in a biological environment, the fluorophores having a switching threshold between an off state and an on state; exposing the biological environment to an ultrasound beam to create an activation region within the biological environment; switching at least one of the fluorophores within the activation region from the off state to the on state; exciting the at least one fluorophore with a beam of electromagnetic radiation; and detecting light emitted by the fluorophore. In some embodiments, the activation region has a maximum negative pressure and/or maximum temperature and the switching threshold of the at least one fluorophore is at least about 50 percent of the maximum negative pressure or at least about 50 percent of the maximum temperature of the activation region.

  在某个方面，本文描述了成像的方法。在某些实施例中，本文所描述的成像方法包括将一群超声开关荧光物质置于生物环境中，该荧光物质在关闭状态和打开状态之间具有开关阈值；将生物环境暴露于超声波束中，以在生物环境内创建一个激活区域；将至少一个荧光物质从关闭状态转换至打开状态，以在激活区域内进行切换；用电磁辐射束激发至少一种荧光物质；并检测荧光物质发出的光。在某些实施例中，激活区域具有最大的负压和/或最高温度，至少一个荧光物质的开关阈值至少为激活区域最大负压或最高温度的约50％。
• SYSTEMS AND METHODS FOR HIGH-RESOLUTION IMAGING
  申请人：Board of Regents, The University of Texas System

  公开号：US20150309014A1

  公开（公告）日：2015-10-29

  In one aspect, methods of imaging are described herein. In some embodiments, a method of imaging described herein comprises disposing an ultrasound-switchable fluorophore in an environment; exposing the environment to an ultrasound beam to create an activation region within the environment; disposing the fluorophore within the activation region to switch the fluorophore from an off state to an on state; exposing the environment to a beam of electromagnetic radiation, thereby exciting the fluorophore; detecting a photoluminescence signal at a first location within the environment, the photoluminescence signal comprising at least one of an ultrasound fluorescence signal emitted by the fluorophore and a background signal; correlating the photoluminescence signal with a reference signal to generate a correlation coefficient for the first location; and multiplying the photoluminescence signal by the correlation coefficient for the first location to generate a modified photoluminescence signal for the first location.

  其中一方面，本文描述了成像方法。在某些实施例中，本文所描述的成像方法包括将超声可切换荧光物质放置在环境中；将环境暴露于超声波束以在环境中创建激活区域；将荧光物质放置在激活区域内，以将荧光物质从关闭状态切换到打开状态；将环境暴露于电磁辐射束，以激发荧光物质；在环境中的第一个位置检测光致发光信号，该光致发光信号包括由荧光物质发出的超声荧光信号和背景信号中的至少一个；将光致发光信号与参考信号相关联，以为第一个位置生成相关系数；并将光致发光信号乘以第一个位置的相关系数，以为第一个位置生成修改后的光致发光信号。
• Systems and methods for high-resolution imaging
  申请人：Board of Regents, The University of Texas System

  公开号：US10267786B2

  公开（公告）日：2019-04-23

  In one aspect, methods of imaging are described herein. In some embodiments, a method of imaging described herein comprises disposing a population of ultrasound-switchable fluorophores in a biological environment, the fluorophores having a switching threshold between an off state and an on state; exposing the biological environment to an ultrasound beam to create an activation region within the biological environment; switching at least one of the fluorophores within the activation region from the off state to the on state; exciting the at least one fluorophore with a beam of electromagnetic radiation; and detecting light emitted by the fluorophore. In some embodiments, the activation region has a maximum negative pressure and/or maximum temperature and the switching threshold of the at least one fluorophore is at least about 50 percent of the maximum negative pressure or at least about 50 percent of the maximum temperature of the activation region.

  一方面，本文描述了成像方法。在一些实施例中，本文所述的成像方法包括：在生物环境中配置一批超声波可切换荧光团，荧光团在关态和开态之间具有切换阈值；将生物环境暴露于超声波束，以在生物环境中形成活化区；将活化区中的至少一种荧光团从关态切换到开态；用电磁辐射束激发至少一种荧光团；以及检测荧光团发出的光。在一些实施例中，活化区具有最大负压和/或最大温度，至少一个荧光团的切换阈值至少是活化区最大负压的约 50%或最大温度的约 50%。
• A mild synthetic route to α-nitroso diaryl pyrroles
  作者：Emily B. Brown、Rosinah Liandrah Gapare、Jacob W. Campbell、Adil Alkaş、Steve Sequeira、James W. Hilborn、Sarah M. Greening、Katherine N. Robertson、Alison Thompson

  DOI：10.1039/d4ob00935e

  日期：——

  A new synthetic method to access α-nitroso pyrroles is presented. This method utilises the nitrosonium salt NOBF4, enabling short reaction times (<10 minutes) and avoiding the harsh acidic conditions usually associated with pyrrole nitrosation. Application of this procedure to diarylated pyrroles yielded several novel nitroso-pyrroles. Modifications to the method, through exclusion of air and inclusion

  提出了一种获取 α-亚硝基吡咯的新合成方法。该方法利用亚硝鎓盐NOBF 4 ，能够缩短反应时间(<10 id=133>H-吡咯-2-酮。
• Self‐Assembled Aza‐Boron‐Dipyrromethene for Ferroptosis‐Boosted Sonodynamic Therapy
  作者：Changwen You、Xingguang Li、Dongqiong Wang、Hongzhong Chen、Lei Liang、Yu Chen、Yanli Zhao、Huijing Xiang

  DOI：10.1002/anie.202210174

  日期：2022.10.10

  AbstractThe presence of apoptosis inhibition proteins renders the cancer cells resistant to apoptosis, severely compromising the antitumor efficacy of sonodynamic therapy (SDT). Here, an intelligent anticancer nanoplatform based on an Aza‐boron‐dipyrromethene dye (denoted as Aza‐BDY) is elaborately established for ferroptosis augmented SDT through cysteine (Cys) starvation. After endocytosis by tumor cells, Aza‐BDY serves as both a ferroptosis inducing agent and a sonosensitizer for tumor treatment. The specific Cys response facilitates the disruption of redox homeostasis and initiation of cellular ferroptosis. Meanwhile, the released sonosensitizer causes efficient SDT and augments ferroptosis under ultrasound irradiation. Detailed in vitro and in vivo investigations demonstrate that the synergistic effect of Cys depletion and singlet oxygen (1O2) generation significantly induces cancer‐cell death and suppresses tumor proliferation with a high inhibition rate of 97.5 %.