Direct synthesis of 3-arylquinolines by a nano Pd-catalyzed regioselective C3-H arylation of quinolines
作者:Abhijit Paul、Aditya Paul、Somnath Yadav
DOI:10.1016/j.tetlet.2019.151364
日期:2020.1
3-Arylquinolines are biologically and medicinally very important compounds. Direct and regioselective C3-H arylation offers a straight forward methodology for their synthesis. In this work, we report their synthesis by a Pd nanoparticle catalyzed reaction with aryliodonium salts as the arylating agent in the presence of stoichiometric oxidant Cu(OAc)(2). The reaction works with different quinolines and diaryliodonium salts with both electron donating and electron withdrawing groups. The advantage of the methodology is that it does not require any ligand and the catalyst also is recoverable and recyclable. (C) 2019 Elsevier Ltd. All rights reserved.
Design, Synthesis, and Evaluation in Vitro of Quinoline-8-carboxamides, a New Class of Poly(adenosine-diphosphate-ribose)polymerase-1 (PARP-1) Inhibitor
作者:Anna-Marie Lord、Mary F. Mahon、Matthew D. Lloyd、Michael D. Threadgill
DOI:10.1021/jm8013629
日期:2009.2.12
prepared by selective Pd-catalyzed couplings at the 2-position of 2,8-dibromoquinoline, followed by lithium−bromine exchange of the intermediate 2-(alkyl/aryl)-8-bromoquinolines and reaction with trimethylsilyl isocyanate. The intramolecularhydrogenbond was confirmed by X-ray and by NMR. The SAR of the 3-substituted compounds for inhibition of human recombinant PARP-1 activity showed a requirement