euxanthic acid | 525-14-4

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并吡喃
• 英文名称: euxanthic acid
• 英文别名: (2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(8-hydroxy-9-oxoxanthen-2-yl)oxyoxane-2-carboxylic acid
• CAS: 525-14-4
• 化学式: C₁₉H₁₆O₁₀
• 分子量: 404.33
• InChiKey: JGIDSJGZGFYYNX-YUAHOQAQSA-N

物化性质

• 熔点：
  162 (disassembly)
• 溶解度：
  Hot water

计算性质

• 辛醇/水分配系数(LogP)：
  1.2
• 重原子数：
  29
• 可旋转键数：
  3
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.26
• 拓扑面积：
  163
• 氢给体数：
  5
• 氢受体数：
  10

反应信息

• 作为反应物：
  描述：

  euxanthic acid 、 alkaline earth salt of/the/ methylsulfuric acid 在 sodium hydroxide 作用下， 生成 O¹-(5-amino-8-hydroxy-9-oxo-xanthen-2-yl)-β-D-glucopyranuronic acid
  参考文献：
  名称：

  Woolf, Proceedings of the Royal Society of London, Series B: Biological Sciences, 1942, vol. 130, p. 60,64

  摘要：

  DOI：

文献信息

• [EN] ACRYLATE-FUNCTIONAL BRANCHED ORGANOSILICON COMPOUND, METHOD OF PREPARING SAME, AND COPOLYMER FORMED THEREWITH<br/>[FR] COMPOSÉ D'ORGANOSILICIUM RAMIFIÉ À FONCTION ACRYLATE, SON PROCÉDÉ DE PRÉPARATION ET COPOLYMÈRE FORMÉ AVEC CELUI-CI
  申请人：DOW SILICONES CORP

  公开号：WO2020142474A1

  公开（公告）日：2020-07-09

  A method of preparing an acrylate-functional branched organosilicon compound ("compound") is provided, and comprises reacting (A) a branched organosilicon compound and (B) an acrylate compound in the presence of (C) a catalyst, wherein component (A) has the general formula X-Si(R1)3, where X comprises a halogen-functional moiety and each R1 is selected from R and –OSi(R4)3, with the proviso that at least one R1 is –OSi(R4)3; each R4 is selected from R, –OSi(R5)3, and –[OSiR2]mOSiR3; each R5 is selected from R, –OSi(R6)3, and –[OSiR2]mOSiR3; each R6 is selected from R and –[OSiR2]mOSiR3; each R is an independently selected hydrocarbyl group; and 0≤m≤100; with the proviso that at least one of R4, R5 and R6 is –[OSiR2]mOSiR3. The compound prepared by the method, a copolymer comprising the reaction product of the compound and a second compound, a method of forming the copolymer, and a composition comprising the copolymer are each also provided.

  提供了一种制备丙烯酸酯官能化分支有机硅化合物（“化合物”）的方法，包括在催化剂存在下，使（A）分支有机硅化合物和（B）丙烯酸酯化合物发生反应，其中组分（A）具有一般式X-Si（R1）3，其中X包括卤素官能基，每个R1从R和–OSi（R4）3中选择，但至少一个R1为–OSi（R4）3；每个R4从R、–OSi（R5）3和–[OSiR2]mOSiR3中选择；每个R5从R、–OSi（R6）3和–[OSiR2]mOSiR3中选择；每个R6从R和–[OSiR2]mOSiR3中选择；每个R是独立选择的烃基；且0≤m≤100；但至少一个R4、R5和R6为–[OSiR2]mOSiR3。还提供了通过该方法制备的化合物，包括化合物和第二化合物的反应产物的共聚物，形成共聚物的方法，以及包含共聚物的组合物。
• [EN] USES OF CO-CRYSTALS<br/>[FR] UTILISATIONS DE CO-CRISTAUX
  申请人：UNIV STRATHCLYDE

  公开号：WO2016120642A1

  公开（公告）日：2016-08-04

  The present invention discloses new uses of coloured co-crystals and associated salts formed by co-crystallization reactions in the dye, ink and paint industries. The present invention also provides novel co-crystals for use in, for example, the dye, ink and/or paint industries.

  本发明披露了彩色共晶及其相关盐在染料、墨水和涂料行业中通过共晶化反应形成的新用途。本发明还提供了用于染料、墨水和/或涂料行业的新型共晶体。
• Conjugate comprising a neurotensin receptor ligand
  申请人：3B Pharmaceuticals GmbH

  公开号：EP2954933A1

  公开（公告）日：2015-12-16

  The present invention is related to a conjugate comprising a structure of general formula (I)         [TM1] - [AD1] - [LM] - [AD2] - [TM2]     (I), wherein TM1 is a first targeting moiety, wherein the first targeting moiety is capable of binding to a first target, AD1 is a first adapter moiety or is absent, LM is a linker moiety or is absent, AD2 is a second adapter moiety or is absent, and TM2 is a second targeting moiety, wherein the second targeting moiety is capable of binding to a second target; wherein the first targeting moiety and/or the second targeting moiety is a compound of formula (II): wherein R1 is selected from the group consisting of hydrogen, methyl and cyclopropylmethyl; AA-COOH is an amino acid selected from the group consisting of 2-amino-2-adamantane carboxylic acid, cyclohexylglycine and 9-amino-bicyclo[3.3.1]nonane-9-carboxylic acid; R2 is selected from the group consisting of (C1-C6)alkyl, (C3-C8)cycloalkyl, (C3C8)cycloalkylmethyl, halogen, nitro and trifluoromethyl; ALK is (C2-C5)alkylidene; R3, R4 and R5 are each and independently selected from the group consisting of hydrogen and (C1-C4)alkyl under the proviso that one of R3, R4 and R5 is of the following formula (III) wherein ALK' is (C2-C5)alkylidene; R6 is selected from the group consisting of hydrogen and (C1-C4)alkyl; and R7 is a bond; or a pharmacologically acceptable salt, solvate or hydrate thereof.

  本发明涉及一种包含一般式（I）结构的结合物，其中TM1是第一靶向基团，第一靶向基团能够结合到第一个靶标，AD1是第一适配基团或者不存在，LM是连接基团或者不存在，AD2是第二适配基团或者不存在，TM2是第二靶向基团，第二靶向基团能够结合到第二个靶标；其中第一靶向基团和/或第二靶向基团是式（II）化合物之一：其中R1选自氢、甲基和环丙基甲基组成的群；AA-COOH是选自2-氨基-2-环戊烷羧酸、环己基甘氨酸和9-氨基-双环[3.3.1]壬烷-9-羧酸组成的氨基酸；R2选自（C1-C6）烷基、（C3-C8）环烷基、（C3-C8）环烷基甲基、卤素、硝基和三氟甲基的群；ALK是（C2-C5）烷基亚基；R3、R4和R5各自独立地选自氢和（C1-C4）烷基，但是在R3、R4和R5中的一个符合以下式（III）：其中ALK'是（C2-C5）烷基亚基；R6选自氢和（C1-C4）烷基；R7是键；或其药理学上可接受的盐、溶剂或水合物。
• PARAMAGNETIC METAL-NANODIAMOND CONJUGATES
  申请人：Manus Lisa M.

  公开号：US20110177008A1

  公开（公告）日：2011-07-21

  The present invention provides compositions and methods for the synthesis of conjugates of paramagnetic metal ions and nanodiamonds, and uses thereof. In particular, the present invention provides synthesis of paramagnetic metal-nanodiamond conjugates and methods using such compositions as molecular imaging probes.

  本发明提供了合成顺磁金属离子和纳米金刚石共轭物的组合物和方法，以及其用途。具体地，本发明提供了合成顺磁金属-纳米金刚石共轭物以及利用这些组合物作为分子成像探针的方法。
• [EN] BRANCHED ORGANOSILICON COMPOUND, METHOD OF PREPARING SAME, AND COPOLYMER FORMED THEREWITH<br/>[FR] COMPOSÉ D'ORGANOSILICIUM RAMIFIÉ, SON PROCÉDÉ DE PRÉPARATION ET COPOLYMÈRE FORMÉ AVEC CELUI-CI
  申请人：DOW SILICONES CORP

  公开号：WO2020142370A1

  公开（公告）日：2020-07-09

  A branched organosilicon compound ("compound") having the general formula (R1)3Si- X-Y is provided. In the formula: each R1 is selected from R and -OSi(R4)3, with the proviso that at least one R1 is -OSi(R4)3; each R is independently a substituted or unsubstituted hydrocarbyl group; each R4 is selected from R, -OSi(R5)3, and -[OSiR2]mOSiR3; each R5 is selected from R, -OSi(R6)3, and -[OSiR2]mOSiR3; each R6 is selected from R and -[OSiR2]mOSiR3; with the proviso that at least one of R4, R5 and R6 is -[OSiR2]mOSiR3; 0

  提供具有一般式（R1）3Si-X-Y的分支有机硅化合物（“化合物”）。在该式中：每个R1从R和-OSi（R4）3中选择，但至少有一个R1为-OSi（R4）3；每个R都是独立的取代或未取代的烃基团；每个R4从R、-OSi（R5）3和-[OSiR2]mOSiR3中选择；每个R5从R、-OSi（R6）3和-[OSiR2]mOSiR3中选择；每个R6从R和-[OSiR2]mOSiR3中选择；但至少有一个R4、R5和R6为-[OSiR2]mOSiR3；0