C−H Borylation of arenes has been a subject of great interest recently because of its atom‐economy and the wide applicability of borylated products in value‐added synthesis. A new bis(silylene)cobalt(II) complex bearing a bis(N‐heterocyclic silylene)‐pyridine pincer ligand (SiNSi) has been synthesized and structurally characterized. It enabled the regioselective catalytic C−H borylation of pyridines
Photo-induced thiolate catalytic activation of inert Caryl-hetero bonds for radical borylation
作者:Shun Wang、Hua Wang、Burkhard König
DOI:10.1016/j.chempr.2021.04.016
日期:2021.6
the activation of bonds with high bond dissociation energy and to substrates with high reduction potentials. Herein, we introduce a novel photocatalytic strategy for the activation of inert substituted arenes for aryl borylation by using thiolate as a catalyst. This catalytic system exhibits strong reducing ability and engages non-activated Caryl–F, Caryl–X, Caryl–O, Caryl–N, and Caryl–S bonds in productive
C(sp<sup>2</sup>)–H Borylation of Fluorinated Arenes Using an Air-Stable Cobalt Precatalyst: Electronically Enhanced Site Selectivity Enables Synthetic Opportunities
作者:Jennifer V. Obligacion、Máté J. Bezdek、Paul J. Chirik
DOI:10.1021/jacs.6b13346
日期:2017.2.22
Cobalt catalysts with electronically enhanced site selectivity have been developed, as evidenced by the high ortho-to-fluorine selectivity observed in the C(sp2)-H borylation of fluorinated arenes. Both the air-sensitive cobalt(III) dihydride boryl 4-Me-(iPrPNP)Co(H)2BPin (1) and the air-stable cobalt(II) bis(pivalate) 4-Me-(iPrPNP)Co(O2CtBu)2 (2) compounds were effective and exhibited broad functional
[EN] NOVEL IMIDAZOLE AMINES AS MODULATORS OF KINASE ACTIVITY<br/>[FR] NOUVEAUX IMIDAZOLES AMINES EN TANT QUE MODULATEURS D'ACTIVITÉ KINASE
申请人:MERCK PATENT GMBH
公开号:WO2013040059A1
公开(公告)日:2013-03-21
The invention provides novel imidazole amine compounds according to Formula (I) and Formula (II) their manufacture and use for the treatment of hyperproliferative diseases, such as cancer.