Add time:09/05/2019         Source:sciencedirect.com

A convenient and short synthesis (3 steps, 50% overall yield) of the bifunctional chelating agent 1-(4-aminobenzyl)-1,4,8,11-tetraazacyclotetradecane-N′-,N″-,N‴-triacetic acid (4) via a boron-protection strategy is reported.

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