881995-40-0Relevant academic research and scientific papers
Monofunctionalized tetraazacrowns for use in bioconjugation and catalysis
Bongard, Jason E.,Hartsock, Robert W.,Stegbauer, William D.,Streich, Frederick C.,Barnum, Rider,Chang, Eddie L.,Knight, D. Andrew
, (2005)
Alkylation of 1,4,7,11-tetraazacyclododecane (cyclen) with 4-nitrobenzyl bromide, p-chloromethylbenzyl alcohol, 4-iodobenzyl bromide, or 4-vinylbenzyl bromide in acetonitrile gave N-monoalkylated cyclen ligands 1-4 in 38-60% yield. Compounds 3 and 4 react
