An efficient catalytic method is presented for the hydrogenation of N‐heterocycles. The iridium‐based catalyst operates under mild conditions in water without any co‐catalyst or stoichiometric additives. The catalyst also promotes the reverse reaction of dehydrogenation of N‐heterocycles, hence displaying appropriate characteristics for a future hydrogen economy based on liquid organic hydrogen carriers
Half-Sandwich Ruthenium Complexes for One-Pot Synthesis of Quinolines and Tetrahydroquinolines: Diverse Catalytic Activity in the Coupled Cyclization and Hydrogenation Process
作者:Xue-Jing Yun、Jing-Wei Zhu、Yan Jin、Wei Deng、Zi-Jian Yao
DOI:10.1021/acs.inorgchem.0c00955
日期:2020.6.1
the direct one-pot synthesis of tetrahydroquinoline derivatives from amino alcohols and ketones has been also developed on the basis of the continuous catalytic activity of this rutheniumcatalyst in the selective hydrogenation of the obtained quinoline derivatives with a low catalyst loading. The corresponding products, quinolines and tetrahydroquinoline derivatives, were afforded in good to excellent
[EN] TETRAHYDROISOQUINOLINE COMPOUNDS AND THEIR USE AS PYRUVATE DEHYDROGENASE KINASE INHIBITORS<br/>[FR] COMPOSÉS TÉTRAHYDROISOQUINOLÉINE ET LEUR UTILISATION EN TANT QU'INHIBITEURS DE LA PYRUVATE DÉSHYDROGÉNASE KINASE
申请人:VERNALIS R & D LTD
公开号:WO2015040424A1
公开(公告)日:2015-03-26
A compound of formula (I): or a pharmaceutically acceptable salt thereof, wherein: R1 is H, Cl, F, CH3 or CF3; R2 is H, C1-C6 alkyl or optionally substituted heteroaryl or optionally substituted aryl; and R3 is (Alk)n-Rn-(Alk)n-Rn-(Alk)n-X. The compounds are useful as tetrahydroisoquinoline (THQ) compounds, which are suitable for use as PDK inhibitors, for example for inhibition of cancer cell proliferation.
Boric acid catalyzed chemoselective reduction of quinolines
作者:Dipanjan Bhattacharyya、Sekhar Nandi、Priyanka Adhikari、Bikash Kumar Sarmah、Monuranjan Konwar、Animesh Das
DOI:10.1039/c9ob02673h
日期:——
Boricacid promoted transfer hydrogenation of substituted quinolines to synthetically versatile 1,2,3,4-tetrahydroquinolines (1,2,3,4-THQs) was described under mild reaction conditions using a Hantzsch ester as a mild organic hydrogen source. This methodology is practical and efficient, where isolated yields are excellent and reducible functional groups are well tolerated in the N-heteroarene moiety
作者:Yan Wang、Baobiao Dong、Zikun Wang、Xuefeng Cong、Xihe Bi
DOI:10.1021/acs.orglett.9b01055
日期:2019.5.17
A ligand- and base-free silver-catalyzed reduction of quinolines and electron-deficient aromatic N-heteroarenes in water has been described. Mechanistic studies revealed that the effective reducing species was Ag–H. This versatile catalytic protocol provided facile, environmentally friendly, and practical access to a variety of 1,2,3,4-tetrahydroquinoline derivatives at room temperature.