Wh. Pearson et Ep. Stevens, SYNTHESIS OF N-[1-(TRIALKYLSTANNYL)ALKYL]AMIDES AND AMINES BY THE DISPLACEMENT OF BENZOTRIAZOLES WITH TRIALKYLSTANNYLLITHIUMS, Synthesis, (9), 1994, pp. 904-906
Condensation of benzotriazole, an aldehyde, and either an amine or ami
de using the method of Katritzky gave N-[1-benzotriazol-1-yl)alkyl]ami
des and -amines, which were treated with tributyl,stannyllithium or tr
imethylstannyllithium to afford N-[1-(trialkyl-stannyl)alkyl]amides an
d -amines, respectively. These compounds are important precursors of n
itrogen-substituted organolithium reagents.