4-苯基噻吩-2-硼酸 | 362612-68-8

• 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: 4-苯基噻吩-2-硼酸
• 英文名称: 4-phenyl-2-thiopheneboronic acid
• 英文别名: 4-phenylthiophene-2-boronic acid；(4-phenylthiophen-2-yl)boronic acid
• CAS: 362612-68-8
• 化学式: C₁₀H₉BO₂S
• 分子量: 204.057
• InChiKey: SSHJHAPMTBLTLN-UHFFFAOYSA-N

物化性质

• 沸点：
  383.4±44.0 °C(Predicted)
• 密度：
  1.29±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.09
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  68.7
• 氢给体数：
  2
• 氢受体数：
  3

安全信息

• 海关编码：
  2934999090

反应信息

• 作为反应物：
  描述：

  4-苯基噻吩-2-硼酸 在 四(三苯基膦)钯 sodium carbonate 、 氢化奎尼定 1,4-(2,3-二氮杂萘)二醚 作用下， 以 1,4-二氧六环 为溶剂， 反应 58.0h， 生成 (2R,3S)-2,3-dihydroxy-4-(4-phenyl-thiophen-2-yl)-butyric acid ethyl ester
  参考文献：
  名称：

  Application of Sharpless asymmetric dihydroxylation to thienyl- and benzothienyl acrylates and crotonates

  摘要：

  Optimized conditions for the catalytic asymmetric dihydroxylation have been applied to thiophene and benzothiophene containing acrylates and crotonates to afford the corresponding diols in good overall yields and good to excellent enantiomeric excess. The products obtained were revealed to be useful intermediates in peptidomimetic synthesis. (c) 2006 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetasy.2006.10.035
• 作为产物：
  描述：

  3-苯基噻吩 在 溴 、 magnesium 作用下， 以 四氢呋喃 、 溶剂黄146 为溶剂， 反应 14.0h， 生成 4-苯基噻吩-2-硼酸
  参考文献：
  名称：

  Javelin-, Hockey Stick-, and Boomerang-Shaped Liquid Crystals. Structural Variations on p-Quinquephenyl

  摘要：

  The ramifications of changing molecular geometry in a series of all-aromatic liquid crystals derived from p-quinquephenyl are reported. Substituting heterocyclic rings such as thiophene, oxadiazole, oxazole, or 1,3-phenylene into the p-quinquephenylene core affects molecular shape changes via the substituent's exocyclic bond angle. In general, we found that introducing nonlinearity into molecules depresses the melting transition temperature. The symmetric (boomerang-shaped) molecules, 2,5-bisbiphenyl-4-yl-1,3,4-oxadiazole, 2,5-bisbiphenyl-4-yl-oxazole, and 1,3-bisbiphenyl-4-yl-benzene, melt into isotropic phases showing small monotropic mesophases. By contrast, the asymmetric (hockey stick-shaped) mesogens, 2-terphenyl-4-yl-5-phenyl thiophene and 2-terphenyl-4-yl-5-phenyl-1,3,4-oxadiazole, exhibit more stable enantiotropic liquid crystalline phases. The hockey stick-shaped mesogens exhibit a smectic phase as well as a nematic phase. High-temperature X-ray determination of the smectic layer spacing gives an unambiguous picture of interdigitated, bilayerlike supramolecular architecture in the smectic phase. There are associated changes in the mesogen's electrostatic profile when a heterocycle is introduced into the quinquiphenylene framework (e.g., conjugation is perturbed). Our findings suggest that steric packing considerations dominate the phase preferences (nematic versus smectic phases), However, electronic considerations (conjugation) appear to control the range of mesomorphism in this new family of nonlinear liquid crystals.

  DOI：

  10.1021/jp010869j

文献信息

• [EN] PYRROLOPYRIMIDINE COMPOUNDS AND THEIR USE AS JANUS KINASE MODULATORS<br/>[FR] COMPOSÉS DE PYRROLOPYRIMIDINE ET LEUR UTILISATION EN TANT QU'INHIBITEURS DES JANUS KINASES
  申请人：TARGEGEN INC

  公开号：WO2009049028A1

  公开（公告）日：2009-04-16

  Provided herein are pyrrolopyrimidine compounds of Formula (I) wherein R1 is a heteroaryl containing at least one S atom, and optionally substituted on a ring carbon by one, two, or three substituents each independently selected from the group consisting of : halo, hydroxyl, nitro, formyl, formamido, cyano, sulfonyl, carboxy, amino, amido, acylamino, carbamoyl, sulphamoyl, alkyl, alkenyl, CF3, ureido, alkynyl, alkoxy, alkanoyl, alkoxycarbonyl, carbaldehyde oxime, N -alkylsulphamoyl, N-alkylcarbamoyl, -OR13R11 or -R13R11; R2 is phenyl or pyridinyl, wherein R2 optionally substituted on a ring carbon by one, two, or three substituents each indenpendently selected from the group consisting of : halo, hydroxyl, cyano, nitro, formyl, formamido, carboxy, sulfonyl, amino, amido, -N- alkyl -amino, carbamoyl, sulphamoyl, CF3, ureido, alkyl, alkenyl, alkynyl, alkoxy, alkanoyl, alkoxycarbonyl, N-alkylsulphamoyl, N-alkylcarbamoyl, -OR11, -OR12R11, or -R12R11; and methods of making and using the same. Such compounds may be used in inflammatory or myeloproliferative disorders. The disclosure also provides for treating cancer.

  本文提供了通式(I)的吡咯并嘧啶化合物，其中R1是含有至少一个硫原子的杂芳基，并且任选地在芳环碳上被一个、两个或三个取代基取代，这些取代基独立地从以下基团中选择：卤素、羟基、硝基、甲酰基、甲酰胺基、氰基、磺酰基、羧基、氨基、酰胺基、酰氨基、氨基甲酰基、磺酰胺基、烷基、烯基、CF3、脲基、炔基、烷氧基、烷酰基、烷氧羰基、羧醛肟、N-烷基磺酰胺基、N-烷基氨基甲酰基、-OR13R11或-R13R11；R2是苯基或吡啶基，其中R2任选地在环碳上被一个、两个或三个取代基取代，这些取代基独立地从以下基团中选择：卤素、羟基、氰基、硝基、甲酰基、甲酰胺基、羧基、磺酰基、氨基、酰胺基、-N-烷基-氨基、氨基甲酰基、磺酰胺基、CF3、脲基、烷基、烯基、炔基、烷氧基、烷酰基、烷氧羰基、N-烷基磺酰胺基、N-烷基氨基甲酰基、-OR11、-OR12R11或-R12R11；以及其制备和使用方法。这些化合物可用于炎症性或骨髓增生性疾病。该披露还提供了用于治疗癌症的方法。
• Javelin-, Hockey Stick-, and Boomerang-Shaped Liquid Crystals. Structural Variations on <i>p</i>-Quinquephenyl
  作者：Theo J. Dingemans、N. Sanjeeva Murthy、Edward T. Samulski

  DOI：10.1021/jp010869j

  日期：2001.9.1

  The ramifications of changing molecular geometry in a series of all-aromatic liquid crystals derived from p-quinquephenyl are reported. Substituting heterocyclic rings such as thiophene, oxadiazole, oxazole, or 1,3-phenylene into the p-quinquephenylene core affects molecular shape changes via the substituent's exocyclic bond angle. In general, we found that introducing nonlinearity into molecules depresses the melting transition temperature. The symmetric (boomerang-shaped) molecules, 2,5-bisbiphenyl-4-yl-1,3,4-oxadiazole, 2,5-bisbiphenyl-4-yl-oxazole, and 1,3-bisbiphenyl-4-yl-benzene, melt into isotropic phases showing small monotropic mesophases. By contrast, the asymmetric (hockey stick-shaped) mesogens, 2-terphenyl-4-yl-5-phenyl thiophene and 2-terphenyl-4-yl-5-phenyl-1,3,4-oxadiazole, exhibit more stable enantiotropic liquid crystalline phases. The hockey stick-shaped mesogens exhibit a smectic phase as well as a nematic phase. High-temperature X-ray determination of the smectic layer spacing gives an unambiguous picture of interdigitated, bilayerlike supramolecular architecture in the smectic phase. There are associated changes in the mesogen's electrostatic profile when a heterocycle is introduced into the quinquiphenylene framework (e.g., conjugation is perturbed). Our findings suggest that steric packing considerations dominate the phase preferences (nematic versus smectic phases), However, electronic considerations (conjugation) appear to control the range of mesomorphism in this new family of nonlinear liquid crystals.
• Application of Sharpless asymmetric dihydroxylation to thienyl- and benzothienyl acrylates and crotonates
  作者：Carlo Bonini、Lucia Chiummiento、Margherita De Bonis、Maria Funicello、Paolo Lupattelli、Rocco Pandolfo

  DOI：10.1016/j.tetasy.2006.10.035

  日期：2006.11

  Optimized conditions for the catalytic asymmetric dihydroxylation have been applied to thiophene and benzothiophene containing acrylates and crotonates to afford the corresponding diols in good overall yields and good to excellent enantiomeric excess. The products obtained were revealed to be useful intermediates in peptidomimetic synthesis. (c) 2006 Elsevier Ltd. All rights reserved.