5238-36-8Relevant academic research and scientific papers
SYNTHETIC RETINOIDS FOR USE IN RAR ACTIVATION
-
Page/Page column 19-20, (2020/09/27)
The present invention relates to compounds of formula I: in which A1-A7 and R1 to R5 are defined herein, for use in the treatment of a condition or disease which is alleviated by the activation of retinoic acid receptors (RAR). The invention also relates to pharmaceutical compounds comprising such compounds, and related methods of treatment. In an aspect, the invention relates to a method of screening compounds for therapeutic potential in the treatment of a condition or disease which is alleviated by the activation of retinoic acid receptors (RAR). Aspects of the invention relate to novel compounds of formula I in which at least one of A1 to A3 is N or at least one of A4 is CR12 or A5 is CR13 in which R12/R13 is halogen.
An experimental and computational study on isomerically pure, soluble azaphthalocyanines and their complexes and boron azasubphthalocyanines of a varying number of aza units
Liebold, Martin,Sharikow, Eugen,Seikel, Elisabeth,Trombach, Lukas,Harms, Klaus,Zimcik, Petr,Novakova, Veronika,Tonner, Ralf,Sundermeyer, J?rg
supporting information, p. 6586 - 6599 (2018/09/25)
Herein, we present a series of isomerically pure, peripherally alkyl substituted, soluble and low aggregating azaphthalocyanines as well as their new, smaller hybrid homologues, azasubphthalocyanines. The focus lies on the effect of the systematically increasing number of aza building blocks [-N] replacing the non-peripheral [-CH] units and their influence on the physical and photophysical properties of these chromophores. The absolute and relative HOMO-LUMO energies of azaphthalocyanines were analyzed using UV-Vis and CV and compared to the density functional theory calculations (B3LYP, TD-DFT). The lowering of the HOMO level is revealed as the determining factor for the trend in the adsorption energies by electronic structure analysis. Crystals of substituted subphthalocyanines, N2-Pc?H2 and N4-[Pc?Zn·H2O], were obtained out of DCM. For the synthesis of the valuable tetramethyltetralin phthalocyanine building block a new highly efficient synthesis involving a nearly quantitative CoII catalyzed aerobic autoxidation step is introduced replacing inefficient KMnO4/pyridine as the oxidant.
SYNTHESIS OF LIGANDS FOR USE IN ACTINIDE EXTRACTION
-
Page/Page column 19-20, (2011/07/09)
The invention discloses an improved process for the preparation of 2,2,5,5-tetrasubstituted hexane-1,6-dicarbonyl compounds, and in particular diethyl 2,2,5,5-tetramethylhexanedioate and dimethyl 2,2,5,5-tetramethylhexanedioate, by the alkylation of 1,2-d
Highly efficient separation of actinides from lanthanides by a phenanthroline-derived bis-triazine ligand
Lewis, Frank W.,Harwood, Laurence M.,Hudson, Michael J.,Drew, Michael G. B.,Desreux, Jean F.,Vidick, Geoffrey,Bouslimani, Nouri,Modolo, Giuseppe,Wilden, Andreas,Sypula, Michal,Vu, Trong-Hung,Simonin, Jean-Pierre
supporting information; experimental part, p. 13093 - 13102 (2011/10/05)
The synthesis, lanthanide complexation, and solvent extraction of actinide(III) and lanthanide(III) radiotracers from nitric acid solutions by a phenanthroline-derived quadridentate bis-triazine ligand are described. The ligand separates Am(III) and Cm(II
Interaction of 6,6′′-bis(5,5,8,8-tetramethyl-5,6,7,8- tetrahydro-1,2,4-benzotriazin-3-yl)-2,2′:6′,2′′- terpyridine (CyMe4-BTTP) with some trivalent ions such as lanthanide(iii) ions and americium(iii)
Lewis, Frank W.,Harwood, Laurence M.,Hudson, Michael J.,Drew, Michael G. B.,Modolo, Giuseppe,Sypula, Michal,Desreux, Jean F.,Bouslimani, Nouri,Vidick, Geoffrey
experimental part, p. 5172 - 5182 (2010/07/08)
The new ligand 6,6′′-bis(5,5,8,8-tetramethyl-5,6,7,8- tetrahydro-1,2,4-benzotriazin-3-yl)-2,2′:6′,2′′- terpyridine (CyMe4-BTTP) has been synthesized in 4 steps from 2,2′:6′,2′′-terpyridine. Detailed NMR and mass spectrometry studies indicate th
Syntheses and structure-activity relationships of 5,6,7,8-tetrahydro- 5,5,8,8-tetramethyl-2-quinoxaline derivatives with retinoic acid receptor α agonistic activity
Kikuchi, Kouichi,Hibi, Shigeki,Yoshimura, Hiroyuki,Tokuhara, Naoki,Tai, Kenji,Hida, Takayuki,Yamauchi, Toshihiko,Nagai, Mitsuo
, p. 409 - 419 (2007/10/03)
In the course of our studies on retinoic acid receptor (RAR) agonists, we have designed and synthesized a series of quinoxaline derivatives. One of them, 4-[5-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-quinoxalinyl)-1H-2- pyrrolyl]benzoic acid (3a), which
Synthesis and structure-activity relationships of 2- pyrazinylcarboxamidobenzoates and β-ionylideneacetamidobenzoates with retinoidal activity
Jones, Paul,Villeneuve, Gérald B.,Fei, Chengpei,DeMarte, Josie,Haggarty, Allison J.,Nwe, Khin Than,Martin, Deborah A.,Lebuis, Anne-Marie,Finkelstein, Joshua M.,Gour-Salin, Barbara J.,Chan, Tak Hang,Leyland-Jones, Brian R.
, p. 3062 - 3077 (2007/10/03)
The structure-activity relationships of two series of novel retinoids (2-pyrazinylcarboxamidobenzoates and β-ionylideneacetamidobenzoates) have been investigated by evaluating their ability to induce differentiation in both human promyelocytic leukemia (H
