6-ARYL/HETEROALKYLOXY BENZOTHIAZOLE AND BENZIMIDAZOLE DERIVATIVES, METHOD FOR PREPARING SAME, APPLICATION THEREOF AS DRUGS, PHARMACEUTICAL COMPOSITIONS AND NOVEL USE IN PARTICULAR AS c-MET INHIBITORS
申请人:Nemecek Conception
公开号:US20100273793A1
公开(公告)日:2010-10-28
The disclosure relates to compounds of formula (I):
wherein A, W, R, R
5
, and R
6
are as defined in the disclosure, or a salt thereof, and to their use as drugs, in particular as c-Met inhibitors.
Nickel-catalyzed reductive cross-coupling of polyfluoroarenes with alkyl electrophiles by site-selective C–F bond activation
作者:Longlong Xi、Liting Du、Zhuangzhi Shi
DOI:10.1016/j.cclet.2022.01.077
日期:2022.9
A nickel-catalyzed reductive cross-coupling reactions between polyfluoroarenes and alkyl electrophiles is reported to access substituted fluoroarenes through chelation-assisted C–F activation. Diverse primary and secondary alkyl (pseudo)halides can be employed to couple with polyfluoroarenes, showing excellent regioselectivity. Furthermore, the nickel-catalyzed asymmetric cross-coupling of polyfluoroarenes
Nickel‐Catalyzed Stereo‐ and Enantioselective Cross‐Coupling of
<i>gem</i>
‐Difluoroalkenes with Carbon Electrophiles by C−F Bond Activation
作者:Ziqi Zhu、Lin Lin、Jieshuai Xiao、Zhuangzhi Shi
DOI:10.1002/anie.202113209
日期:2022.2
AbstractStereo‐ and enantioselective cross‐electrophile coupling involving C−F bond activation is reported. Treatment of gem‐difluoroalkenes with racemic benzyl electrophiles in the presence of a chiral nickel complex using B2pin2 as a stoichiometric reductant allows the construction of a C(sp2)−C(sp3) bond under mild conditions, affording a broad range of monofluoroalkenes bearing stereogenic allylic centers. Initial mechanistic studies indicate that a radical chain pathway may be operating, wherein the ester group in the gem‐difluoroalkene promotes C−F bond activation through oxidative addition to a Ni species.
BELL, A. R.;DOWEYKO, M. P.;MINATELLI, J. A.
作者:BELL, A. R.、DOWEYKO, M. P.、MINATELLI, J. A.
DOI:——
日期:——
DERIVES DE 6-ARYL/HETER0ALKYL0XY BENZOTHIAZOLE ET BENZIMIDAZOLE, LEUR PROCEDE DE PREPARATION, LEUR APPLICATION A TITRE DE MEDICAMENTS, COMPOSITIONS PHARMACEUTIQUES ET NOUVELLE UTILISATION NOTAMMENT COMME INHIBITEURS DE CMET