1,5-Bis-boc-1,5,9-triazanonane
1,5-Bis-Boc-1,5,9-triazanonane is a linker containing two Boc-protected amino groups and a terminal amine. The Boc groups can be deprotected under mild acidic conditions to form the free amines. The terminal amine is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc.