1,2,3,4-tetrahydroxynaphthalene | 5690-26-6

• 分子结构分类: 有机化合物 - 苯类化合物 - 萘
• 英文名称: 1,2,3,4-tetrahydroxynaphthalene
• 英文别名: 1.2.3.4-Tetrahydroxy-naphthalin；tetrahydroxynaphthalene；naphthalene-1,2,3,4-tetraol；Naphthalintetrol-(1.2.3.4)；4a,8a-trans-naphthalenetetrol；Naphthalin-1,2,3,4-tetraol；1,2,3,4-naphthalenetetrol；Leukoisonaphthazarin；naphthalene-1,2,3,4-tetrol
• CAS: 5690-26-6
• 化学式: C₁₀H₈O₄
• 分子量: 192.171
• InChiKey: PYNVYLAZKQQFLK-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.8
• 重原子数：
  14
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  80.9
• 氢给体数：
  4
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  1,2,3,4-tetrahydroxynaphthalene 在 1,4-二氧六环 、 盐酸 、 草酸 、 溶剂黄146 作用下， 生成 2-ethyl-2-methyl-2,3-dihydro-naphtho[2,3-b]furan-4,9-quinone
  参考文献：
  名称：

  lapachol系列中的合成。

  摘要：

  DOI：

  10.1021/ja01182a051
• 作为产物：
  描述：

  1,2-萘醌 在 硫酸 、 水 、 calcium chloride 、 锌 作用下， 生成 1,2,3,4-tetrahydroxynaphthalene
  参考文献：
  名称：

  Zincke; Ossenbeck, Justus Liebigs Annalen der Chemie, 1899, vol. 307, p. 22

  摘要：

  DOI：

文献信息

• Internal release agent, composition including internal release agent, and process for producing a plastic lens using same composition
  申请人：MITSUI CHEMICALS, INC.

  公开号：US10239239B2

  公开（公告）日：2019-03-26

  An internal release agent includes at least one phosphodiester represented by the following general formula (1). In the formula, R1 and R2 independently represent a hydrocarbon group having 1 to 30 carbon atoms, which is optionally substituted with at least one hydroxyl group, and R3 represents an alkylene group having 2 to 4 carbon atoms. A plurality of R3's may be the same as or different from each other. M represents a hydrogen atom, an ammonium ion, an alkali metal ion, or a monovalent/divalent alkali earth metal ion, and n is an integer of 1 to 60.

  内部释放剂至少包括一个由以下一般式（1）表示的磷酸二酯。在该式中，R1和R2分别表示具有1至30个碳原子的烃基，该烃基可以选择性地取代至少一个羟基，而R3表示具有2至4个碳原子的烷基基团。多个R3可以相同或者彼此不同。M代表氢原子、铵离子、碱金属离子或者一价/二价碱土金属离子，n为1至60的整数。
• PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ACID ESTER, POLYMERIZABLE COMPOSITION, RESIN, OPTICAL MATERIAL, AND LENS
  申请人：MITSUI CHEMICALS, INC.

  公开号：US20180186733A1

  公开（公告）日：2018-07-05

  A process for producing a pentaerythritol mercaptocarboxylic acid ester of the present invention includes: a step of reacting pentaerythritol with a mercaptocarboxylic acid, in which an absorbance of a 5 wt % aqueous solution of the pentaerythritol at a wavelength of 270 nm, which is measured using a quartz cell having an optical path length of 50 mm, is 0.07 or less.

  本发明的一种生产对羟基羧基巯基脂肪酸酯的工艺包括：将对羟基羧基巯基脂肪酸与对羟基羧基醇反应的步骤，其中在使用光路长度为50毫米的石英池测量的270纳米波长处，对5重量%的对羟基羧基醇水溶液的吸光度为0.07或更低。
• CHROMENE COMPOUND, CURABLE COMPOSITION COMPRISING THE COMPOUND, AND OPTICAL ARTICLE INCLUDING A CURED BODY OF THE CURABLE COMPOSITION
  申请人：TOKUYAMA CORPORATION

  公开号：US20200190106A1

  公开（公告）日：2020-06-18

  A chromene compound having at least one indenonaphthopyran moiety which has a group forming a spiro ring together with the 13-position carbon atom and further an oligomer chain group selected from a polyalkylene oxide oligomer chain group having at least three recurring units and a polyester oligomer chain group having at least three recurring units, represented by the following formula and having reduced matrix dependence: wherein R 1 and R 2 are each a group which may have an oligomer chain group, the ring Z bonded to the 13-position carbon atom of the chromene compound is a Spiro ring group, and R 3 and R 4 are each an aryl group or heteroaryl group which may have an oligomer chain group. Preferably, the chromene compound has at least one oligomer chain group in the molecule.

  具有至少一个印苯并萘吡喃基团的色酮化合物，其中该基团与13位碳原子形成螺环，并且进一步具有从至少三个重复单元中选择的聚烷氧基寡聚物链基团和聚酯寡聚物链基团中的一个寡聚物链基团，由下式表示并具有降低的矩阵依赖性： 其中R1和R2是各自可能具有寡聚物链基团的基团，与色酮化合物的13位碳原子键合的环Z是螺环基团，而R3和R4是各自可能具有寡聚物链基团的芳基或杂环基团。最好，该色酮化合物在分子中至少具有一个寡聚物链基团。
• METAL COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE SAME, RESIN, METHOD FOR PRODUCING THE RESIN, AND USE OF THE RESIN
  申请人：Murakami Masakazu

  公开号：US20110136977A1

  公开（公告）日：2011-06-09

  Disclosed is a metal compound represented by the following formula (0): in the formula (0), A represents a thietane ring, or a monovalent group containing a thiol group; B represents a divalent group containing a heteroatom; R 2 represents a divalent organic group; n represents the valence of M; p represents an integer of 1 ton; M represents a lanthanoid atom or a barium (Ba) atom when A is a thietane ring, and represents a lanthanoid atom when A is a monovalent group containing a thiol group; or more than Y represents a monovalent inorganic or organic group; when n−p is not less than 2, a plurality of Y's each independently represent a monovalent inorganic or organic group; and when n−p is not less than 2, the plurality of Y's may be bonded with each other to form a ring containing M.

  揭示了一种由以下公式（0）表示的金属化合物： 在公式（0）中，A表示噻吩环或含有硫醇基的一价基团；B表示含有杂原子的二价基团；R2表示二价有机基团；n表示M的价；p表示1到n的整数；当A是噻吩环时，M表示镧系元素或钡（Ba）原子，当A是含有硫醇基的一价基团时，M表示镧系元素；Y表示一价无机或有机基团，当n-p不小于2时，多个Y可以各自独立地表示一价无机或有机基团；当n-p不小于2时，多个Y可以彼此连接形成含有M的环。
• Anthraquinone compound and water-based ink-jet recording ink containing the compound
  申请人：——

  公开号：US20030078318A1

  公开（公告）日：2003-04-24

  It is disclosed that in ink for ink jet recording, containing at least a water-insoluble coloring matter, water and a resin as main components to form an emulsion, anthraquinone compounds represented by at least the following the formula (1) 1 especially those in which X is an oxygen atom, R 1 is represented by the formula (2) 2 and further R 8 is —NR 12 R 13 , are useful as coloring matters excellent in water resistance and also in light fastness and compatibility with a resin and that ink for ink jet recording using the same and exhibiting excellent performances in light fastness and storage stability, especially as ink of an ink jet recording system, can forma high-quality, unblotted image, a recorded image having also excellent property in water resistance.

  本发明涉及一种墨水喷射记录用墨水，其包含至少一种水不溶性着色剂、水和树脂作为主要组成部分形成乳液，其中所述着色剂为至少以下式（1）所表示的蒽醌化合物1，特别是其中X为氧原子，R1为式（2）所表示的基团2，进一步地，R8为—NR12R13，这些着色剂不仅具有优异的耐水性、耐光性和与树脂的相容性，而且使用该墨水喷射记录的墨水表现出优异的耐光性和储存稳定性，特别是作为喷墨记录系统的墨水，能够形成高质量、无污点的图像，记录的图像也具有优异的耐水性。