Catalytic Use of Low-Valent Cationic Gallium(I) Complexes as π-Acids
作者:Zhilong Li、Guillaume Thiery、Martin R. Lichtenthaler、Régis Guillot、Ingo Krossing、Vincent Gandon、Christophe Bour
DOI:10.1002/adsc.201701081
日期:2018.2.1
and gallium dichloride (i. e. [Ga(I)]+[GaCl4]−) proved to be efficient catalysts for cycloisomerizations, Friedel-Crafts reactions, transfer hydrogenations, and reductive hydroarylations. Their activity is compared to more common Ga(III) complexes. This study shows that even the readily available and yet overlooked gallium dichloride salt can be a more active π-Lewis acid catalyst than gallium trichloride