Discovery and optimization of a new class of potent and non-chiral indole-3-carboxamide-based renin inhibitors
摘要:
Selective inhibition of the aspartyl protease renin has gained attraction as an interesting approach to control hypertension and associated cardiovascular risk factors given its unique position in the renin-angiotensin system. Using a combination of high-throughput screening, parallel synthesis, X-ray crystallography and structure-based design, we identified and optimized a novel series of potent and non-chiral indole-3-carboxamides with remarkable potency for renin. The most potent compound 5k displays an IC(50) value of 2 nM. (C) 2010 Elsevier Ltd. All rights reserved.
2-(2-Haloalkenyl)-aryl Halides as Substrates for Palladium-Catalysed Tandem CN Bond Formation: Efficient Synthesis of 1-Substituted Indoles
作者:Michael C. Willis、Gareth N. Brace、Thomas J. K. Findlay、Ian P. Holmes
DOI:10.1002/adsc.200505484
日期:2006.5
2-(2-Haloalkenyl)-aryl halides, conveniently prepared in a single step from the corresponding o-halobenzaldehydes, are combined with amines under Pd catalysis to provide 1-substituted indoles. All combinations of Br and Cl leaving groups can be employed, and a range of substituents on the arene, alkene and amine, can all be tolerated. The use of 1,3-dichloro-substituted arenes allows a third amination
Copper(II)-Photocatalyzed N–H Alkylation with Alkanes
作者:Yi-Wen Zheng、Rok Narobe、Karsten Donabauer、Shahboz Yakubov、Burkhard König
DOI:10.1021/acscatal.0c01924
日期:2020.8.7
of N–H bonds with alkanes using a photoinduced copper(II) peroxide catalytic system. Upon light irradiation, the peroxide serves as a hydrogen atom transfer reagent to activate stable C(sp3)–H bonds for the reaction with a broad range of nitrogen nucleophiles. The method enables the chemoselective alkylation of amides and is utilized for the late-stage functionalization of N–H bond containing pharmaceuticals
Palladium-catalysed N-annulation routes to indoles: the synthesis of indoles with sterically demanding N-substituents, including demethylasterriquinone A1
作者:Anthony J. Fletcher、Matthew N. Bax、Michael C. Willis
DOI:10.1039/b712227f
日期:——
Tandem palladium-catalysed aryl and alkenyl C–N bond formation allows the synthesis of a variety of indoles bearing sterically demanding N-substituents, including the natural product demethylasterriquinone A1.
Ir-Catalyzed Reversible Acceptorless Dehydrogenation/Hydrogenation of N-Substituted and Unsubstituted Heterocycles Enabled by a Polymer-Cross-Linking Bisphosphine
作者:Deliang Zhang、Tomohiro Iwai、Masaya Sawamura
DOI:10.1021/acs.orglett.0c01905
日期:2020.7.2
Notably, this protocol is applicable to the dehydrogenation of N-substituted indoline derivatives with various N-substituents with different electronic and steric natures. A reaction pathway involving oxidative addition of an N-adjacent C(sp3)–H bond to a bisphosphine-coordinated Ir(I) center is proposed for the dehydrogenation of N-substituted substrates.
Copper-Catalyzed Oxidative Dehydrogenative C(sp<sup>3</sup>
)−H Bond Amination of (Cyclo)Alkanes using NH-Heterocycles as Amine Sources
作者:Chang-Sheng Wang、Xiao-Feng Wu、Pierre H. Dixneuf、Jean-François Soulé
DOI:10.1002/cssc.201700783
日期:2017.8.10
A copper-catalyzed oxidative C(sp3)−H/N−H coupling of NH-heterocycles with affordable (cyclo)alkanes has been developed. This procedure involves C(sp3)−N bond formation through a radical pathway generated by homolytic cleavage of di-tert-butyl peroxide and trapping of the radical(s) by copper catalysts. The reaction tolerates a series of functional groups, such as bromo, fluoro, ester, ketone, nitrile