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7-methoxy-3-(4-methoxybenzoyl)coumarin | 77819-98-8

中文名称
——
中文别名
——
英文名称
7-methoxy-3-(4-methoxybenzoyl)coumarin
英文别名
7-Methoxy-3-(4-methoxybenzoyl)chromen-2-one
7-methoxy-3-(4-methoxybenzoyl)coumarin化学式
CAS
77819-98-8
化学式
C18H14O5
mdl
——
分子量
310.306
InChiKey
YAIJOSLAACTSGD-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    3.4
  • 重原子数:
    23
  • 可旋转键数:
    4
  • 环数:
    3.0
  • sp3杂化的碳原子比例:
    0.11
  • 拓扑面积:
    61.8
  • 氢给体数:
    0
  • 氢受体数:
    5

反应信息

  • 作为产物:
    描述:
    4-甲氧基苯甲酸甲酯哌啶 、 sodium hydride 作用下, 以 乙二醇二甲醚乙醇 、 paraffin 为溶剂, 反应 4.0h, 生成 7-methoxy-3-(4-methoxybenzoyl)coumarin
    参考文献:
    名称:
    酮香豆素:新型三重态敏化剂
    摘要:
    制备了3-酮香豆素的几种衍生物,并显示它们具有有效三重态敏化剂所需的许多光物理标准。这些化合物包括3-芳酰基香豆素(1)和3,3'-羰基双香豆素(2)。1中的芳基是苯基和取代的苯基衍生物或杂环基,例如噻吩基和苯并呋喃基。1和2中香豆素部分上的取代基(如果有)是烷氧基或二烷基氨基。这些化合物的最大吸收在330至450 nm之间,消光系数在10 4至几乎10 5的范围内。,这是对光敏抗蚀剂和光刻中使用的聚合物薄膜进行有效敏化的重要标准。几个导数的单重态-三重态系统间穿越(isc)效率接近统一。但是,在其他情况下,无辐射衰变过程则与isc竞争。衰减过程是在的不对称取代的衍生物特别优势2,但似乎在聚合物基质可以显着抑制。这些化合物的三线态能量的范围从CA。48至60 kcal / mol。这些酮香豆素中的一些显示出磷光光谱,表明存在“冷冻”旋转异构体。
    DOI:
    10.1016/0040-4020(82)85104-1
点击查看最新优质反应信息

文献信息

  • SILANE COUPLING COMPOUNDS AND MEDICAL AND/OR DENTAL CURABLE COMPOSITIONS COMPRISING THE SAME
    申请人:KABUSHIKI KAISHA SHOFU
    公开号:US20190300552A1
    公开(公告)日:2019-10-03
    The present invention relate to a novel silane coupling agent and a medical and/or dental curable composition comprising the same. It is an object of the present invention to provide a novel silane coupling agent that imparts high affinity to a radical polymerizable monomer, thereby imparting high mechanical strength, flexibility and durability when used for a medical and/or dental curable composition, and an inorganic filler surface-treated with the novel silane coupling agent and a novel medical and/or dental curable composition. A silane coupling agent including repeating units such as a urethane bond and polyethylene glycol (ether bond) at a specific position is used.
    本发明涉及一种新型硅烷偶联剂以及包括该偶联剂的医用和/或牙科可固化组合物。本发明的目的是提供一种新型硅烷偶联剂,使其对自由基聚合单体具有高亲和力,从而在用于医用和/或牙科可固化组合物时赋予高机械强度、柔韧性和耐久性,并且包括经新型硅烷偶联剂表面处理的无机填料和新型医用和/或牙科可固化组合物。该硅烷偶联剂包括在特定位置具有尿素键和聚乙二醇(醚键)等重复单元。
  • DENTAL ADHESIVE
    申请人:KURARAY NORITAKE DENTAL INC.
    公开号:US20170196778A1
    公开(公告)日:2017-07-13
    The present invention provides a dental adhesive exhibiting excellent initial bond strength and bond durability to both enamel and dentin. The present invention relates to a dental adhesive containing: an asymmetric acrylamide-methacrylic acid ester compound (a); an acid group-containing (meth)acrylic polymerizable monomer (b); and a water-soluble polymerizable monomer (c). The asymmetric acrylamide-methacrylic acid ester compound (a) is represented by the following general formula (1): where X is an optionally substituted, linear or branched C 1 to C 6 aliphatic group or an optionally substituted aromatic group, the aliphatic group is optionally interrupted by at least one linking group selected from the group consisting of —O—, —S—, —CO—, —CO—O—, —O—CO—, —NR 1 —, —CO—NR 1 —, —NR 1 —CO—, —CO—O—NR 1 —, —O—CO—NR 1 —, and —NR 1 —CO—NR 1 —, and R 1 is a hydrogen atom or an optionally substituted, linear or branched C 1 to C 6 aliphatic group.
    本发明提供了一种牙科粘接剂,具有优异的初始粘接强度和对牙釉质和牙本质的粘接耐久性。本发明涉及一种含有以下成分的牙科粘接剂:不对称丙烯酰胺-甲基丙烯酸酯化合物(a);含酸基的(甲基)丙烯酸聚合单体(b);以及水溶性聚合单体(c)。不对称丙烯酰胺-甲基丙烯酸酯化合物(a)由下述一般式(1)表示:其中X是可选择取代的线性或支链状的C1到C6脂肪族基或可选择取代的芳香族基,所述脂肪族基可被来自由—O—、—S—、—CO—、—CO—O—、—O—CO—、—NR1—、—CO—NR1—、—NR1—CO—、—CO—O—NR1—、—O—CO—NR1—和—NR1—CO—NR1—组成的至少一个连接基中断,R1为氢原子或可选择取代的线性或支链状的C1到C6脂肪族基。
  • SELF-ADHESIVE DENTAL COMPOSITE RESIN
    申请人:KURARAY NORITAKE DENTAL INC.
    公开号:US20170135910A1
    公开(公告)日:2017-05-18
    The present invention provides a self-adhesive composite resin having excellent adhesiveness to tooth structures and excellent mechanical strength. The present invention relates to a self-adhesive dental composite resin containing: an asymmetric acrylamide-methacrylic acid ester compound (a); an acid group-containing (meth)acrylic polymerizable monomer (b); a hydrophobic crosslinkable polymerizable monomer (c); a photopolymerization initiator (d); and a filler (e). The asymmetric acrylamide-methacrylic acid ester compound (a) is represented by the following general formula (1): where X is an optionally substituted, linear or branched C 1 to C 6 aliphatic group or an optionally substituted aromatic group, the aliphatic group is optionally interrupted by at least one linking group selected from the group consisting of —O—, —S—, —CO—, —CO—O—, —O—CO—, —NR 1 —, —CO—NR 1 —, —NR 1 —CO—, —CO—O—NR 1 —, —O—CO—NR 1 —, and —NR 1 —CO—NR 1 —, and R 1 is a hydrogen atom or an optionally substituted, linear or branched C 1 to C 6 aliphatic group.
    本发明提供了一种具有优异粘附性和优异机械强度的自粘合复合树脂。本发明涉及一种自粘合牙科复合树脂,包含:不对称的丙烯酰胺-甲基丙烯酸酯化合物(a);含酸基的(甲基)丙烯酸聚合单体(b);疏水性交联聚合单体(c);光聚合引发剂(d);和填料(e)。不对称的丙烯酰胺-甲基丙烯酸酯化合物(a)由以下通式(1)表示:其中X是可选取代的线性或支链的C1至C6脂肪族基团或可选取代的芳香族基团,脂肪族基团可由以下组成的至少一种连接基团中断:—O—、—S—、—CO—、—CO—O—、—O—CO—、—NR1—、—CO—NR1—、—NR1—CO—、—CO—O—NR1—、—O—CO—NR1—和—NR1—CO—NR1—,R1为氢原子或可选取代的线性或支链的C1至C6脂肪族基团。
  • ADHESIVE COMPOSITION FOR DENTAL USE
    申请人:KURARAY NORITAKE DENTAL INC.
    公开号:US20210145701A1
    公开(公告)日:2021-05-20
    The present invention provides a dental adhesive composition that, even after photocuring with a high-output LED irradiator, shows high bond strength not only for dentin untreated by phosphoric acid etching but also for dentin treated by phosphoric acid etching. The present invention relates to a dental adhesive composition comprising a phosphoric acid group-containing polymerizable monomer (A), the phosphoric acid group-containing polymerizable monomer (A) comprising: a dihydrogen phosphate monoester group-containing polymerizable monomer (A-1) represented by general formula (1); a hydrogen phosphate diester group-containing polymerizable monomer (A-2) represented by general formula (2); and a phosphoric acid tetraester group-containing polymerizable monomer (A-3) represented by general formula (3).
    本发明提供了一种牙科粘接剂组合物,即使经过高输出LED辐射器的光固化,也能显示出高的粘接强度,不仅适用于未经过磷酸蚀刻处理的牙本质,还适用于经过磷酸蚀刻处理的牙本质。本发明涉及一种牙科粘接剂组合物,包括含磷酸基可聚合单体(A),其中磷酸基可聚合单体(A)包括:一种由通式(1)表示的二氢磷酸单酯基可聚合单体(A-1);一种由通式(2)表示的氢磷酸双酯基可聚合单体(A-2);以及一种由通式(3)表示的磷酸四酯基可聚合单体(A-3)。
  • Unlocking the potential of ketocoumarins: efficient photosensitizers for sustainable light driven hydrogen evolution
    作者:Gergely Knorr、Konrad Hotzel、Avinash Chettri、Artem Skabeev、Maria Wächtler、Benjamin Dietzek-Ivanšić、Kalina Peneva
    DOI:10.1039/d3ta04450e
    日期:——
    In this study, we explore the untapped potential of ketocoumarins as photosensitizers for light driven hydrogen evolution. Through the synthesis of a library of novel ketocoumarins and optimization of the reaction conditions, we achieved remarkable turnover numbers nearing 4000 relative to the cobaloxime catalyst. Our spectroscopic and electrochemical studies revealed a reductive quenching mechanism
    在这项研究中,我们探索了酮香豆素作为光驱动析氢光敏剂的未开发潜力。通过合成一系列新型酮香豆素和优化反应条件,我们相对于钴肟催化剂实现了接近 4000 的显着转化率。我们的光谱和电化学研究揭示了析氢的还原猝灭机制。通过增加钴肟浓度,我们可以成功防止光敏剂的光降解,并且可以维持氢气生产长达 22 天。我们的工作表明,酮香豆素凭借其易于合成和可调节性,可以作为常用的重金属基光敏剂的有效且实用的替代品。
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