dibenzoylmethane | 198836-73-6

• 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: dibenzoylmethane
• 英文别名: 1,3-diphenyl-propane-1,3-dione；(E)-3-hydroxy-1,3-diphenyl-propenone；1,3-Diphenyl-propan-1,3-dion；β-hydroxy-cis-chalcone；(E)-3-hydroxy-1,3-diphenylprop-2-en-1-one
• CAS: 198836-73-6
• 化学式: C₁₅H₁₂O₂
• 分子量: 224.259
• InChiKey: RZCYUOWKJNUVBF-SDNWHVSQSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.7
• 重原子数：
  17
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  dibenzoylmethane 、 2-氨基苯硫醇-4-羧酸 以 二甲基亚砜 为溶剂， 反应 0.5h， 以45%的产率得到2-benzoyl-3-phenyl-4H-1,4-benzothiazine-6-carboxylic acid
  参考文献：
  名称：

  Gupta, R. R.; Kumar, R.; Gautam, R. K., Pharmazie, 1988, vol. 43, # 2, p. 129 - 130

  摘要：

  DOI：
• 作为产物：
  描述：

  反式-查耳酮 在 四丁基溴化铵 、 lithium 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 生成 dibenzoylmethane 、 (Z)-3-hydroxy-1,3-diphenyl-2-propen-1-one
  参考文献：
  名称：

  Fournier, Francoise; Fournier, Michel, Canadian Journal of Chemistry, 1986, vol. 64, p. 881 - 890

  摘要：

  DOI：

文献信息

• Synthesis of Disubstituted 6-Chloro-5-methyl-4H-1,4-benzothiazines: Novel Heterocycles
  作者：Ram K. Rathore、Radha R. Gupta

  DOI：10.1135/cccc19952209

  日期：——

  2-Amino-4-chloro-3-methylbenzenethiol in the form of dimer condensed with 8 β-diketones or β-ketoesters to form an enaminoketone or ester intermediate which underwent spontaneous oxidative cyclization to form 6-chloro-5-methyl-2,3-disubstituted 4H-1,4-benzothiazines.

  2-氨基-4-氯-3-甲基苯硫醇以二聚物的形式与8个β-二酮或β-酮酯缩合，形成烯胺酮或酯中间体，随后发生自发氧化环化反应，形成6-氯-5-甲基-2,3-二取代的4H-1,4-苯并噻嗪。
• [EN] METAL COMPLEXES OF β-DIKETONES AND/OR POLYPHENOLS BY GREEN CHEMISTRY, PREPARATION METHOD THEREOF, SUNSCREEN THEREOF, SKIN OR HAIR TONE CONCEALER THEREOF, HAIR DYEING THEREOF AND OTHER USES THEREOF<br/>[FR] COMPLEXES MÉTALLIQUES DE β-DICÉTONES ET/OU DE POLYPHÉNOLS PAR CHIMIE VERTE, PROCÉDÉ DE PRÉPARATION, ÉCRAN SOLAIRE, CORRECTEUR DE TEINT DE LA PEAU OU DES CHEVEUX, TEINTURE CAPILLAIRE ET UTILISATIONS ASSOCIÉS
  申请人：RAMIREZ RIOS LILIANA PATRICIA

  公开号：WO2019238261A1

  公开（公告）日：2019-12-19

  The present invention relates to a method to synthesize with high yield a colored metal complex of β-diketones and/or polyphenols by mechanochemistry without using aqueous or organic solvents and covers new complexes obtained therefrom. In an embodiment, only the reactants, a metal alkoxide and a β-diketone and/or a polyphenol, are present and react at different molar ratios to form a metal complex in the form of a homogeneous colored material (i.e. powder) with high yield. If curcumin is used, the color of the final metal complex dye depends on several factors such as the curcuminoids, the metal, the type of alkoxide used, the stoichiometric molar ratio of both reactants and the additives used. If titanium alkoxide and any additive is used, a red or violet colored titanium curcumin complex in powder form is produced. The production process of the metal complex in powder form is characterized by facility of scale up. The entire product is ready to be used in several applications. If polyphenols such as ferulic acid, quercetin, ellagic acid or lignin are used instead of curcumin, other colored complexes are obtained using mechanochemistry. In addition, the product comprising metal complexes of β-diketones and/or polyphenols is characterized by green chemistry manufacture. Besides, these metal complexes of β-diketones and/or polyphenols in several formulations are characterized by improved stability under storage conditions and improved sun protection against UV rays for human skin and human hair. The product is ready to be used alone or in combination with other additives or active ingredients in different formulations. The invention also covers the use of these metal β-diketones/polyphenol complexes in food, cosmetics, the pharmaceutical field and in the creativity field, as sunscreen, skin and hair concealer or foundation in powder form or cream, keratinous dye, textile dye, food dye, dye emulsions, miniemulsions, polymer colloids and catalysts. The production process of these novel metal-complex dyes is also characterized by rapid production of colored compounds without using solvents and, thus, ecofriendliness. The process of the production of metal β-diketone and/or polyphenol complexes is characterized by the non-formation of toxic by-products and high yield. In addition, the present invention comprises a hair dyeing molecule or formulation and procedure combining excellent dyeing properties with reduced risk of development cancer or allergies, while being ecological and of the natural origin.

  本发明涉及一种通过机械化学合成β-二酮和/或多酚的有色金属络合物的方法，不使用水或有机溶剂，并涵盖从中获得的新络合物。在一种实施方式中，只有反应物，金属烷氧基和β-二酮和/或多酚存在，并以不同的摩尔比反应形成均匀有色材料（即粉末）的金属络合物，收率高。如果使用姜黄素，则最终金属络合物染料的颜色取决于多种因素，例如姜黄素，金属，使用的烷氧基类型，两种反应物的化学计量比以及使用的添加剂。如果使用钛烷氧基和任何添加剂，则会产生红色或紫色的钛姜黄素复合物粉末。金属络合物的粉末形式的生产过程具有易于扩大规模的特点。整个产品已准备好用于多种应用。如果使用多酚，例如ferulic酸，quercetin，ellagic酸或lignin代替姜黄素，则使用机械化学合成获得其他有色络合物。此外，由β-二酮和/或多酚的金属络合物组成的产品具有绿色化学制造的特点。此外，这些β-二酮和/或多酚的金属络合物在多种配方中具有改善的稳定性和对人体皮肤和头发的紫外线防护性能。该产品已准备好单独或与其他添加剂或活性成分组合在不同的配方中使用。本发明还涵盖在食品，化妆品，制药领域和创意领域中使用这些金属β-二酮/多酚络合物，作为防晒剂，皮肤和头发遮瑕膏或粉底，角蛋白染料，纺织染料，食品染料，染料乳液，微乳液，聚合物胶体和催化剂。这些新型金属络合染料的生产过程也具有快速生产有色化合物而不使用溶剂的特点，因此具有环保性。金属β-二酮和/或多酚络合物的生产过程的特点是不会形成有毒副产物和高收率。此外，本发明还包括一种头发染料分子或配方和程序，将优异的染色性能与降低癌症或过敏风险相结合，同时具有生态和天然的特点。
• Liquid crystal display device
  申请人：——

  公开号：US20010041231A1

  公开（公告）日：2001-11-15

  A liquid crystal display device having a pair of substrates, at least one of which is transparent. A liquid crystal layer held between the pair of substrates and an alignment layer formed on at least one of the pair of substrates. The pair of substrates are adhered together using a resin so that an interval is formed therebetween, and a portion formed with the resin has at least an opening for injecting liquid crystal into the interval formed between the pair of substrates and the opening is sealed with a photo-curable resin. The liquid crystal layer includes a photo-reactive liquid crystal compound, the molecular structure of which is converted by photo-irradiation, and a photo-absorbing organic compound having a photo-absorptivity larger than the photo-absorptivity of the photo-reactive liquid crystal compound at a designated wavelength, and containing at least one of alkyl substituent, alkenyl substituent, and alkoxyl substituent, respectively, in its molecule.

  一种液晶显示装置，具有一对基板，其中至少一个是透明的。在这对基板之间有一个液晶层，在这对基板中的至少一个基板上形成一个对准层。使用树脂将这对基板粘在一起，使其之间形成间隔，用树脂形成的部分至少有一个开口，用于将液晶注入这对基板之间形成的间隔，开口用光固化树脂密封。液晶层包括光反应液晶化合物（其分子结构通过光照射发生转换）和光吸收有机化合物，光吸收有机化合物在指定波长下的光吸收率大于光反应液晶化合物的光吸收率，其分子中分别含有烷基取代基、烯基取代基和烷氧基取代基中的至少一个。
• ELECTROLUMINESCENT DEVICE
  申请人：Koninklijke Philips Electronics N.V.

  公开号：EP1572832A1

  公开（公告）日：2005-09-14
• CARBAZOLE COMPOUNDS AND USE OF SUCH COMPOUNDS IN ORGANIC ELECTROLUMINESCENT DEVICES
  申请人：Koninklijke Philips Electronics N.V.

  公开号：EP1594939A2

  公开（公告）日：2005-11-16

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