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Trimethyl aryl stannanes, reaction

Besides halopyridazines, pseudohalopyridazines have been used as substrates for Stille reactions [29]. 6-Methylpyridazin-3-yl trifluoromethanesulfonate (96) reacted with arylstannanes using a procedure based on Stille s original conditions for aryl triflates. Although 3-methyl-6-(2-thienyl)pyridazine was obtained in a good yield (77%) under these conditions, trialkyl(phenyl)stannanes reacted only very slowly in comparison with tributyl(2-thienyl)stannane. Trimethyl(phenyl)stannane and tributyl (phenyl) stannane gave 3-methyl-6-phenylpyridazine in only 22 and 6% yield, respectively. [Pg.562]

See other pages where Trimethyl aryl stannanes, reaction is mentioned: [Pg.78]    [Pg.417]    [Pg.445]    [Pg.445]    [Pg.346]    [Pg.417]    [Pg.445]    [Pg.113]    [Pg.71]   
See also in sourсe #XX -- [ Pg.35 , Pg.36 ]



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