Expedient C–H Amidations of Heteroaryl Arenes Catalyzed by Versatile Ruthenium(II) Catalysts
作者:Vedhagiri S. Thirunavukkarasu、Keshav Raghuvanshi、Lutz Ackermann
DOI:10.1021/ol401321q
日期:2013.7.5
Heteroaryl-substituted arenes and heteroarenes were efficiently amidated through ruthenium-catalyzed C–H bond functionalizations with a variety of sulfonyl azides. Particularly, cationic ruthenium(II) complexes proved to be most effective and allowed nitrogenations of electron-rich and electron-deficient arenes with ample substrate scope.
Mild Conditions for Copper-CatalysedN-Arylation of Pyrazoles
作者:Henri-Jean Cristau、Pascal P. Cellier、Jean-Francis Spindler、Marc Taillefer
DOI:10.1002/ejoc.200300709
日期:2004.2
Copper-catalysed N-arylation of pyrazoles with aryl or heteroaryl bromides or iodides, which can include functional substituents, was performed under the mildest conditions yet described, with excellent yields and selectivity, by the use as catalyst of a combination of cuprous oxide with a set of inexpensive, chelating oxime-type ligands not previously known to promote such reactions. Other original
[EN] PYRAZOLO [4, 3-D] PYRIMIDINES USEFUL AS KINASE INHIBITORS<br/>[FR] PYRAZOLO[4,3-D]PYRIMIDINES UTILES EN TANT QU'INHIBITEURS DE KINASES
申请人:ORIGENIS GMBH
公开号:WO2012143144A1
公开(公告)日:2012-10-26
The present invention relates to novel compounds of formula (I) that are capable of inhibiting one or more kinases, especially SYK (Spleen Tyrosine Kinase), LRRK2 (Leucine-rich repeat kinase 2) and/or MYLK (Myosin light chain kinase) or mutants thereof. The compounds find applications in the treatment of a variety of diseases. These diseases include autoimmune diseases, inflammatory diseases, bone diseases, metabolic diseases, neurological and neurodegenerative diseases, cancer, cardiovascular diseases, allergies, asthma, alzheimer's disease, parkinson's disease, skin disorders, eye diseases, infectious diseases and hormone-related diseases.
NOVEL ORGANIC HETEROCYCLIC COMPOUND AND LIGHT-EMITTING DEVICE COMPRISING SAME
申请人:SFC CO., LTD.
公开号:US20180072753A1
公开(公告)日:2018-03-15
The present invention relates to an organic light-emitting compound represented by [Chemical Formula A] and an organic light-emitting device. In Chemical Formula, A, X, Y, Z, and the substituents R
1
to R
8
, and R
11
to R
20
are as defined in the specification.
Magnetic nanoparticle-supported proline as a recyclable and recoverable ligand for the CuI catalyzed arylation of nitrogen nucleophiles
作者:Gagan Chouhan、Dashan Wang、Howard Alper
DOI:10.1039/b711298j
日期:——
Magnetic nanoparticle-supported proline ligand was prepared and used for the CuI catalyzed Ullmann-type coupling reactions of aryl/heteroaryl bromides with various nitrogen heterocycles to form the corresponding N-aryl products in good to excellent yields; furthermore, this magnetic nanoparticle-supported proline ligand could be readily separated using an external magnet and reused without significant loss of activity.