1912-48-7Relevant articles and documents
Synthesis of N-alkyl substituted bioactive indolocarbazoles related to G?6976
Roy, Sudipta,Eastman, Alan,Gribble, Gordon W.
, p. 7838 - 7845 (2006)
The syntheses of new nitrile and amide analogues of 7-keto G?6976 are described. The amide analogue 22 was formed via the condensation with a new functionalized indoleacetic acid derivative 25 to overcome the solubility problem during the coupling reaction.
Thee-component, one-pot synthesis of hexahydroazepino[3,4-b]indole and tetrahydro-1H-pyrido[3,4-b]indole derivatives and evaluation of their cytotoxicity
Reddy, B.V. Subba,Venkata Ganesh,Vani,Ramalinga Murthy,Kalivendi, Shasi V,Yadav
, p. 4501 - 4503 (2014)
A three-component, four-center Ugi reaction has been developed to produce a novel class of 2-aryl-3-oxo-hexahydroazepino[3,4-b]indole and 2-aryl-3-oxo-tetrahydro-1H-pyrido[3,4-b]indole derivatives in good to high yields. A few of them exhibit moderate cyt
Synthesis of 7-keto-Goe6976 (ICP-103)
Roy, Sudipta,Eastman, Alan,Gribble, Gordon W.
, p. 595 - 601 (2005)
An efficient synthesis of 7-keto-Goe6976 (ICP-103) (3) is described that employs palladium(II) inflate in the final oxidative cyclization step.
Total Synthesis of Na-Methylsecodine
Atta-ur-Rahman,Sultana, Mumtaz,Hassan, Iltifat,Hasan, Naeem M.
, p. 2093 - 2096 (1983)
A short synthetic route to Na-methylsecodine is described involving a Friedel-Crafts acylation at the indole 2-position followed by a Wittig reaction to generate the acrylate moiety.
Synthesis of functionalized pyrroloindolines: Via a visible-light-induced radical cascade reaction: Rapid synthesis of (±)-flustraminol B
Wu, Kui,Du, Yuliu,Wei, Zheng,Wang, Ting
, p. 7443 - 7446 (2018)
The development of visible-light-induced synthesis of functionalized pyrroloindolines via a radical cascade reaction is reported. The reaction shows a broad substrate scope and highlights the mild nature of the reaction conditions. A range of substitutions on indole aromatic rings and N-centers is well tolerated, including a free allylic alcohol. Relying on the strategy, a rapid synthesis of (±)-flustraminol B was achieved.
Cation Triggered Domino Aza-Piancatelli Rearrangement/Friedel-Crafts Alkylation of Indole-Tethered Furfuyl Alcohols to Access Cycloocta[ b]indole Core of Alkaloids
Chandrasekhar, Srivari,Nayani, Kiranmai,Solanke, Pooja R.,Vonteddu, Nagarjuna Reddy
, p. 8555 - 8560 (2020)
A domino approach to bridged cycloocta[b]indolone through a cascade of aza-Piancatelli rearrangement/Friedel-Crafts alkylation is developed. This transformation has been realized by reaction of an indole-tethered 2-furylcarbinol and substituted aniline in the presence of a Lewis acid to initiate aza-Piancatelli rearrangement followed by an in situ intramolecular Friedel-Crafts alkylation to access bridged tetracyclic frameworks in one pot.
Enantioselective Syntheses of Strychnos and Chelidonium Alkaloids through Regio- and Stereocontrolled Cooperative Catalysis
Fyfe, James W. B.,Hutchings-Goetz, Luke S.,Snaddon, Thomas N.,Yang, Chao
supporting information, p. 17556 - 17564 (2020/08/14)
We describe enantioselective syntheses of strychnos and chelidonium alkaloids. In the first case, indole acetic acid esters were established as excellent partner nucleophiles for enantioselective cooperative isothiourea/Pd catalyzed α-alkylation. This provides products containing indole-bearing stereocenters in high yield and with excellent levels of enantioinduction in a manner that is notably independent of the N-substituent. This led to concise syntheses of (?)-akuammicine and (?)-strychnine. In the second case, the poor performance of ortho-substituted cinnamyl electrophiles in the enantioselective cooperative isothiourea/Ir catalyzed α-alkylation was overcome by appropriate substituent choice, leading to enantioselective syntheses of (+)-chelidonine, (+)-norchelidonine, and (+)-chelamine.
Agent for Preventing or Ameliorating Hearing Impairment
-
, (2019/08/02)
It is to provide an agent for preventing or improving hearing loss, which comprises a low molecular compound which can be produced relatively easily and inexpensively as an active ingredient. One or more compounds selected from the group consisting of compounds represented by the following formulas (I0), (II), and (III) and a pharmaceutically acceptable salt of the compounds when R3 is OH are used as an agent for preventing or improving hearing loss.
Synthesis and anticancer activity of novel bisindolylhydroxymaleimide derivatives with potent GSK-3 kinase inhibition
Winfield, Hannah J.,Cahill, Michael M.,O'Shea, Kevin D.,Pierce, Larry T.,Robert, Thomas,Ruchaud, Sandrine,Bach, Stéphane,Marchand, Pascal,McCarthy, Florence O.
supporting information, p. 4209 - 4224 (2018/07/21)
Synthesis and biological evaluation of a series of novel indole derivatives as anticancer agents is described. A bisindolylmaleimide template has been derived as a versatile pharmacophore with which to pursue chemical diversification. Starting from maleimide, the introduction of an oxygen to the headgroup (hydroxymaleimide) was initially investigated and the bioactivity assessed by screening of kinase inhibitory activity, identifying substituent derived selectivity. Extension of the hydroxymaleimide template to incorporate substitution of the indole nitrogens was next completed and assessed again by kinase inhibition identifying unique selectivity patterns with respect to GSK-3 and CDK kinases. Subsequently, the anticancer activity of bisindolylmaleimides were assessed using the NCI-60 cell screen, disclosing the discovery of growth inhibitory profiles towards a number of cell lines, such as SNB-75 CNS cancer, A498 and UO-31 renal, MDA MB435 melanoma and a panel of leukemia cell lines. The potential for selective kinase inhibition by modulation of this template is evident and will inform future selective clinical candidates.
CHEMICAL SUBSTANCES WHICH INHIBIT THE ENZYMATIC ACTIVITY OF HUMAN KALLIKREIN-RELATED PEPTIDASE 6 (KLK6)
-
Paragraph 0371; 0372, (2018/04/19)
The invention relates to compounds which are suitable for the treatment of a disease associated with kallikrein-like peptidase 6 overexpression and to pharmaceutical compositions containing such compounds. The invention further relates to a kit of parts comprising such compounds or pharmaceutical compositions.