Dimethylaminoalkyl chalcogenolate palladium(II) complexes as an efficient copper- and phosphine-free catalyst for Sonogashira reaction

作者：Khairnar Bhikan J; Dey Sandip; Jam Vimal K; Bhanage Bhalchandra M^*

来源：Tetrahedron Letters, 2014, 55(3): 716-719.

DOI：10.1016/j.tetlet.2013.12.004

• Sonogashira reaction
• Chalcogenolate
• Palladium complex
• Phosphine free
• Copper free

N,N-Dimethylaminoalkyl chalcogenolate Pd(II) complexes [PdCI((ENMe2)-N-boolean AND)](n) has been investigated as a moisture/air-stable and robust catalyst for Sonogashira cross-coupling reaction in the absence of copper and phosphine ligand. The dimeric palladium(II) complex of selenium containing ligand shows the best catalytic activity as compared with monomeric and trimeric complexes. The variety of functional groups are tolerated under optimized catalytic systems and provide excellent yields of the products.

• 出版日期2014-1-15