NUCLEOPHILIC HETEROCYCLIC CARBENE DERIVATIVES OF PD(ACAC)2 FOR CROSS-COUPLING REACTIONS
申请人:Promerus LLC
公开号:EP1885669A1
公开(公告)日:2008-02-13
[EN] NUCLEOPHILIC HETEROCYCLIC CARBENE DERIVATIVES OF PD(ACAC)2 FOR CROSS-COUPLING REACTIONS<br/>[FR] DERIVES DE CARBENE HETEROCYCLIQUES NUCLEOPHILES DE PD(ACAC)2 POUR DES REACTIONS DE COUPLAGE CROISE
申请人:PROMERUS LLC
公开号:WO2006128097A1
公开(公告)日:2006-11-30
[EN] Embodiments in accordance with the present invention provide for a palladium complex characterized by the general Formula (I): where A is a bidentate monoanionic ligand, NHC is a nucleophilic heterocyclic carbene, and Z is an anionic ligand. Such palladium complexes are useful in initiating cross-coupling reactions. [FR] Les modes de réalisation selon l'invention concernent un complexe de palladium représenté par la formule générale (I), dans laquelle A représente un ligand monoanionique bidenté, NHC est un carbène hétérocyclique nucléophile et Z représente un ligand anionique. Ces complexes de palladium sont utiles pour déclencher des réactions de couplage croisé.
A Cyclobutene-1,2-Bis(imidazolium) Salt as Efficient Precursor of Palladium-Catalyzed Room-Temperature Suzuki-Miyaura Reactions
作者:Andreas Schmidt、Alireza Rahimi
DOI:10.1055/s-0029-1219824
日期:2010.6
3,3′-[3,4-Bis(dichloromethylene)cyclobut-1-ene-1,2-diyl]bis(1-methyl-1 H-imidazolium) bis(tetrafluoroborate),palladium(II)acetate, and sodium TERT-butoxidein toluene catalyze effectively Suzuki-Miyaura cross-couplingreactions of aryl bromides, chlorides, and iodides with arylboronicacids at room temperature.
Copper-catalyzed aerobic radical C–C bond cleavage of N–H ketimines
作者:Ya Lin Tnay、Gim Yean Ang、Shunsuke Chiba
DOI:10.3762/bjoc.11.209
日期:——
We report herein studies on copper-catalyzed aerobic radical C-Cbondcleavage of N-H ketimines. Treatment of N-H ketimines having an alpha-sp(3) hybridized carbon under Cu-catalyzed aerobic reaction conditions resulted in a radical fragmentation with C-Cbondcleavage to give the corresponding carbonitrile and carbon radical intermediate. This radical process has been applied for the construction