AbstractA novel ruthenium‐catalyzed oxidative alkenylation/annulation cascade reaction is described for synthesizing 3‐methyleneisoindolin‐1‐ones. In the protocol, the NH imidate is applied efficiently as a directing group in ruthenium‐catalyzed CH activation, generating various 3‐methyleneisoindolin‐1‐ones with high regio‐ and stereoselectivity in moderate to good yields.magnified image
Oxidative Amidation of Activated Alkenes Using Pd(OAc)2 as a Catalyst Precursor
作者:Xinzhu Liu、King Kuok Mimi Hii
DOI:10.1002/ejoc.201000384
日期:2010.9
A new "chloride-free" protocol was developed for oxidativeamidation reactions between cyclic and acyclic amides and carbamates with activated olefins, conducted under Pd/Cu catalysis, using air as a terminal oxidant. The presence of TsOH is important for catalytic activity. The scope of the reaction includes the addition of primary amides, carbamates, as well as cyclic oxazolidinone and pyrrolidinone
Rhodium-Catalyzed Oxidative Olefination of CH Bonds in Acetophenones and Benzamides
作者:Frederic W. Patureau、Tatiana Besset、Frank Glorius
DOI:10.1002/anie.201006222
日期:2011.2.1
A good neighborhood! The metal‐catalyzed oxidativeCH functionalization of electron‐rich arenes is well‐established, but analogous reactions of electron‐poor substrates are rare. A new application makes use of common electron‐withdrawing functional groups (COMe, CONH2, CONEt2) in the rhodium‐catalyzed oxidative Heck reaction to generate complex organic molecules. Cp*= η5‐C5Me5.