Multifunctional Palladium Catalysis. 2. Tandem Haloallylation Followed by Wacker−Tsuji Oxidation or Sonogashira Cross-Coupling
摘要:
graphicMultifunctional palladium catalysis is utilized in the one-pot stereocontrolled synthesis of tetrasubstituted methyl ketones and enynes. The homogeneous palladium dihalide catalyst utilized for the bromo-/chloroallylation of alkynes is reused in situ for subsequent Wacker-Tsuji oxidation or Sonogashira cross-coupling.
Acyclic diaminocarbenes: simple, versatile ligands for cross-coupling reactions
作者:Bhartesh Dhudshia、Avinash N. Thadani
DOI:10.1039/b516398f
日期:——
Acyclic diaminocarbenes are found to be useful ligands for palladium catalyzed Suzuki–Miyaura, Sonogashira and Heck cross-coupling reactions of aryl/alkenyl bromides and chlorides.