3-[4-(tert-Butoxycarbonyl)piperazin-1-yl)phenylboronic

3-[4-(N-Boc)piperazin-1-yl]phenylboronic acid pinacol ester

4-(tert-Butoxycarbonyl)piperazin-1-ylphenylboronic acid pinacol ester

tert-butyl 4-(3-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate

-Piperazinecarboxylic acid, 4-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-, 1,1-dimethylethyl ester