- Synthesis of 7-alkoxyquinolines, coumarins, and resorufins
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Synthesis of the title compounds by treatment of the sodium salts of 7- quinolinol, 7-hydroxycoumarin, and resorufin with alkyl halides is described.
- Mash, Eugene A.,Aavula, Bhasker Reddy
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- Efficient acceptorless dehydrogenation of hydrogen-rich N-heterocycles photocatalyzed by Ni(OH)2@CdSe/CdS quantum dots
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Hydrogen storage using liquid organic hydrogen carriers (LOHCs) is a promising hydrogen storage technology; however, the hydrogen release process typically requires a high temperature. Developing dehydrogenation technology under mild conditions is highly desirable. Herein, a new approach for photocatalytic acceptorless dehydrogenation of hydrogen-rich LOHCs using Ni(OH)2@CdSe/CdS QDs as the photocatalyst was demonstrated. 1,2,3,4-Tetrahydroquinoline (THQ), iso-THQ, indoline, and their derivatives were selected as hydrogen-rich substrates, which exhibit excellent dehydrogenation efficiency with the release of hydrogen photocatalyzed by Ni(OH)2@CdSe/CdS QDs. Up to 100% yields of hydrogen and over 90% yields of complete dehydrogenation products were obtained at ambient temperature. Isotope tracer studies indicate a stepwise pathway, beginning with the photocatalytic oxidation of the substrate to release a proton and followed by proton exchange with heavy water. This work provides a promising alternative strategy to develop highly efficient, low cost and earth-abundant photocatalysts for acceptorless dehydrogenation of hydrogen-rich LOHCs.
- Liu, Yanpeng,Yu, Tianjun,Zeng, Yi,Chen, Jinping,Yang, Guoqiang,Li, Yi
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p. 3810 - 3817
(2021/06/18)
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- NOVEL COMPOUND, PHOTOACID GENERATOR CONTAINING THE COMPOUND, AND PHOTOSENSITIVE RESIN COMPOSITION CONTAINING THE PHOTOACID GENERATOR
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PROBLEM TO BE SOLVED: To provide a nonionic photoacid generator with high acid generation quantum yield. SOLUTION: The present invention provides a compound represented by formula (2) (where, ring Ar is a benzene ring, naphthalene ring, thiophene ring or
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Paragraph 0098
(2018/12/05)
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- Metal-Free Dehydrogenation of N-Heterocycles by Ternary h-BCN Nanosheets with Visible Light
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An efficient metal-free catalytic system has been developed based on hexagonal boron carbon nitride (h-BCN) nanosheets for the dehydrogenation of N-heterocycles with visible light; hydrogen gas is released in the process, and thus no proton acceptor is needed. This acceptorless dehydrogenation of hydroquinolines, hydroisoquinolines, and indolines to the corresponding aromatic N-heterocycles occurred in excellent yield under visible-light irradiation at ambient temperature. With h-BCN as the photocatalyst and water as the solvent, this environmentally benign protocol shows broad substitution tolerance and high efficiency.
- Zheng, Meifang,Shi, Jiale,Yuan, Tao,Wang, Xinchen
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supporting information
p. 5487 - 5491
(2018/04/02)
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- A self-contained photoacid generator for super acid based on photochromic terarylene
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A self-contained photoacid generator for super acid along with the photoinduced 6π-electrocyclization reaction of the terarylene backbone is demonstrated. The photoinitiated cationic polymerization of epoxy-monomers is achieved with an efficient photochem
- Li, Ruiji,Nakashima, Takuya,Kawai, Tsuyoshi
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supporting information
p. 4339 - 4341
(2017/04/21)
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- Synthesis method of quinoline compound
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The invention discloses a synthesis method of a quinoline compound. The synthesis method of the quinoline compound comprises the following steps: taking a tetrahydroquinoline compound expressed in formula which is as shown in the description as a raw material, taking boron carbon nitrogen as a photocatalyst, adding a solvent, an oxidant and alkali, reacting under visible light radiation condition at room temperature, and purifying a reaction solution and then obtaining the quinoline compound; boron carbon nitrogen (h-BCNx) is a semiconductor polymer photocatalyst which has response to visible light and is free of metal elements; the semiconductor polymer photocatalyst has the advantages of low cost, high availability, high chemical stability, no toxicity, no harm and appropriate forbidden bandwidth and position of energy band; when the catalyst is applied to organic synthesis, the reaction process is simple to operate; the conditions are mild; the catalysis effect is excellent; the conversion rate can reach 90% or more; the yield of target products can reach 95%. The synthesis method of the quinoline compound is simple in process and low in cost, can meet the requirements of practical production, and has relatively great application potential.
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Paragraph 0023; 0024
(2017/12/04)
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- 4,5,6,7-TETRAHYDRO-1 H-PYRAZOLO[4,3-C]PYRIDIN-3-AMINE COMPOUNDS AS CBP AND/OR EP300 INHIBITORS
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The present invention relates to compounds of formula (I) or formula (II): and to salts thereof, wherein R1-R4 of formula (I) and R1-R3 of formula (II) have any of the values defined herein, and compositions and uses thereof. The compounds are useful as inhibitors of CBP and/or EP300. Also included are pharmaceutical compositions comprising a compound of formula (I) of formula (II) or a pharmaceutically acceptable salt thereof, and methods of using such compounds and salts in the treatment of various CBP and/or EP300-mediated disorders.
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Page/Page column 278
(2016/06/14)
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- Quinoline and phenanthroline preparation starting from glycerol via improved microwave-assisted modified Skraup reaction
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An efficient "green" modified Skraup reaction in neat water was developed using inexpensive, abundant and environmentally-friendly glycerol under microwave irradiation conditions. Starting from aniline derivatives, various quinolines were obtained in 10-66% yields. The use of nitroaniline led to the corresponding phenanthrolines in 15-52% yields, respectively. This journal is the Partner Organisations 2014.
- Saggadi, Hanen,Luart, Denis,Thiebault, Nicolas,Polaert, Isabelle,Estel, Lionel,Len
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p. 21456 - 21464
(2014/06/10)
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- Use of a readily removable auxiliary group for the synthesis of pyrrolidones by the palladium-catalyzed intramolecular amination of unactivated γ C(sp3)-H Bonds
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Easy on, easy off: Directing groups found to promote the palladium-catalyzed amination of γ C(sp3)-H and C(sp 2)-H bonds of secondary amides included 5-methoxy-8-aminoquinoline, which can be removed under mild conditions (see scheme; CAN=ceric ammonium nitrate). In conjunction with a β-C-H methylation or γ-C-H arylation step, the γ-C(sp3)-H amination provided access to complex pyrrolidones from readily available precursors. Copyright
- He, Gang,Zhang, Shu-Yu,Nack, William A.,Li, Qiong,Chen, Gong
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supporting information
p. 11124 - 11128
(2013/10/22)
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- Novel Sulfonaminoquinoline Hepcidin Antagonists
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The present invention relates to novel hepcidin antagonists, pharmaceutical compositions comprising them and the use thereof as medicaments for the use in the treatment of iron metabolism disorders, such as, in particular, iron deficiency diseases and anemias, in particular anemias in connection with chronic inflammatory diseases.
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Page/Page column 129
(2012/09/05)
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- HETEROCYCLIC COMPOUNDS FOR THE INHIBITION OF PASK
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Disclosed herein are new heterocyclic compounds and compositions and their application as pharmaceuticals for the treatment of disease. Methods of inhibiting PAS Kinase (PASK) activity in a human or animal subject are also provided for the treatment of diseases such as diabetes mellitus.
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Page/Page column 82
(2012/07/27)
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- INHIBITORS OF HEPATITIS C VIRUS
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A class of compounds that inhibit Hepatitis C Virus (HCV) is disclosed, along with compositions containing the compound, and methods of using the composition for treating individuals infected with HCV.
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Page/Page column 115; 116
(2012/05/19)
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- DERIVATIVES AND ANALOGS OF N-ETHYLQUINOLONES AND N-ETHYLAZAQUINOLONES
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Bicyclic nitrogen containing compounds and their use as antibacterials.
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Page/Page column 32
(2008/06/13)
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- Heteroannulation of 3-Bis(methylthio)acrolein with Aromatic Amines - A Convenient Highly Regioselective Synthesis of 2-(Methylthio)quinolines and their Benzo/Hetero Fused Analogs: A Modified Skraup Quinoline Synthesis
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A simple and efficient synthesis of 2-(methylthio)quinolines and their condensed analogs has been developed through acid-induced cyclocondensation of their respective anilines or aromatic diamines with 3-bis(methylthio)acrolein. The 2-(methylthio) functionality in these quinolines could be either dethiomethylated or replaced by various nitrogen and carbon nucleophiles to afford 2-substituted quinolines.
- Panda, Kausik,Siddiqui, Iffat,Mahata, Pranab K.,Ila, Hiriyakkanavar,Junjappa, Hiriyakkanavar
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p. 449 - 452
(2007/10/03)
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- A practical route to quinolines from anilines
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A practical route to quinoline from anilines through acid-mediated cyclization of 3-(N-aryl-N-sulfonylamino)propionaldehydes has been developed. Treatment of the cyclization products, dihydroquinoline intermediates with KOH in DMSO leads to substituted quinolines.
- Tokuyama, Hidetoshi,Sato, Masashi,Ueda, Toshihiro,Fukuyama, Tohru
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p. 105 - 108
(2007/10/03)
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- Thermolysis of Polyazapentadienes. Part 7. An Unambiguous Route to 7-Substituted Quinolines from Cinnamaldehyde Derivatives
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Flash vacuum pyrolysis of the cinnamaldehyde phenylhydrazone derivatives (4) - (6) or O-alkyl oxime derivatives (7) - (12) at 600 -650 deg C and 10-2 - 10-3 Torr leads to approximately equal quantities of cinnamonitriles and quinolines.Use of a p-substituted cinnamaldehyde derivatives gives the appropriate 7-substituted quinoline in high isomeric purity; the reactions take place via conjugated iminyl radicals.
- Hickson, Clare L.,McNab, Hamish
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p. 1569 - 1572
(2007/10/02)
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