1,4-Bis-boc-1,4,7-triazaheptane
1,4-Bis-Boc-1,4,7-triazaheptane is a PEG derivative containing an amino group with two Boc-protected amino groups. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The Boc group can be deprotected under mild acidic conditions to form the free amine.