Catalytic activity of palladium acyclic diaminocarbene complexes in the synthesis of 1,3-diarylpropynones via Sonogashira reaction: cross- versus homo-coupling

• DOI: 10.1016/j.tetlet.2013.02.086
• Publication Date: 2013-03-07T18:33:01Z
• Authors: Dmitry S. Ryabukhin; Viktor N. Sorokoumov; Elizaveta A. Savi...; Vadim P. Boyarskiy; Irina A. Balova; Aleksander V. Vas...
• Keywords: Sonogashira coupling; Coupling reaction

AbstractDifferent acyclic diaminocarbene complexes (I)‐(III) can be efficiently used under air in an extremely low amount for the Sonogashira coupling of terminal alkynes with benzoyl chlorides.