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3-thenoylcoumarin | 83179-51-5

中文名称
——
中文别名
——
英文名称
3-thenoylcoumarin
英文别名
3-(thiophene-2-carbonyl)chromen-2-one;3-(thiophene-2-carbonyl)-2H-chromen-2-one
3-thenoylcoumarin化学式
CAS
83179-51-5
化学式
C14H8O3S
mdl
——
分子量
256.282
InChiKey
JHIWUSDLTDGTIY-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

物化性质

  • 熔点:
    148-150 °C(Solv: ethanol (64-17-5))
  • 沸点:
    461.1±45.0 °C(Predicted)
  • 密度:
    1.411±0.06 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    3.5
  • 重原子数:
    18
  • 可旋转键数:
    2
  • 环数:
    3.0
  • sp3杂化的碳原子比例:
    0.0
  • 拓扑面积:
    71.6
  • 氢给体数:
    0
  • 氢受体数:
    4

反应信息

  • 作为反应物:
    描述:
    3-甲基吲哚3-thenoylcoumarincopper(ll) bromide 作用下, 以 乙腈 为溶剂, 反应 72.0h, 以40%的产率得到13-methyl-7-(thiophen-2-yl)-6H,13H-chromeno[4',3':3,4]pyrrolo[1,2-a]indol-6-one
    参考文献:
    名称:
    铜催化串联反应构建香豆素熔融9 H-吡咯并[1,2- a ]吲哚
    摘要:
    开发了3-芳基羰基香豆素和3-甲基吲哚的铜催化的Friedel-Crafts烷基化/环化/异构化序列,以提供各种功能化的香豆素稠合的9 H-吡咯并[1,2- a ]吲哚,具有6-6-5-5-6五环核,产率为34-99%。此外,进行了克级实验和化学转化以证明该方案的合成价值。
    DOI:
    10.1039/c7ob02307c
  • 作为产物:
    描述:
    2-噻吩乙醛酸香豆素 在 dipotassium peroxodisulfate 、 silver nitrate 作用下, 以 二甲基亚砜 为溶剂, 反应 24.0h, 以42%的产率得到3-thenoylcoumarin
    参考文献:
    名称:
    银催化的脱羧交叉偶联对香豆素的二酰化作用
    摘要:
    通过使用α-氧代羧酸作为酰基源,已开发出温和的银催化香豆素的脱羧酰化反应。该方案以中等至极好的收率和良好的选择性,提供了直接,有效地获得芳酰基取代的香豆素的途径。此外,反应条件也适用于喹啉酮和萘醌,得到相应的酰化杂环化合物。
    DOI:
    10.1016/j.tet.2014.12.029
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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。
  • [EN] OXIME ESTER PHOTOINITIATORS<br/>[FR] PHOTO-INITIATEURS À BASE D'ESTER D'OXIME
    申请人:BASF SE
    公开号:WO2021175855A1
    公开(公告)日:2021-09-10
    Disclosed are α-oxo oxime ester compounds based on carbazole derivatives which have specific substituent groups useful as a photoinitiator, as well as photopolymerizable compositions comprising said photoinitiator and ethylenically unsaturated compounds. The photopolymerizable compositions are useful, for example, in photoresist formulations for display applications, e.g. liquid crystal display (LCD), organic light emitting diode (OLED) and touch panel.
    揭示了基于咔唑衍生物的α-氧代肟酯化合物,其具有特定取代基,可用作光引发剂,以及包括所述光引发剂和乙烯不饱和化合物的光聚合组合物。这些光聚合组合物可用于例如显示应用的光阻配方,例如液晶显示器(LCD)、有机发光二极管(OLED)和触摸面板。
  • 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。
  • Ketocoumarins
    作者:Dnolad P. Specht、Peter A. Martic、Samir Farid
    DOI:10.1016/0040-4020(82)85104-1
    日期:1982.1
    asymmetrically substituted derivatives of 2, but seems to be considerably suppressed in polymeric matrices. The triplet energies of these compounds range from ca. 48 to 60 kcal/mol. Some of these ketocoumarins show phosphorescence spectra that suggest the presence of “frozen-in” rotamers.
    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。
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