Strongly UV Absorbing Bifunctional Azoalkanes
journal contributionposted on 05.09.2001 by Paul S. Engel, Huifang Wu, William B. Smith
Any type of content formally published in an academic journal, usually following a peer-review process.
Two new anthracene-containing azoalkanes (1 and 2) absorb UV light 600 times more strongly than simple azoalkanes. Intramolecular energy transfer from excited singlet anthracene to the azo group is nearly complete, but despite the close proximity of the two chromophores, 1 and 2 continue to exhibit anthracene fluorescence. Thermolysis of these compounds in the presence of monomers affords fluorescent labeled polymers. Compounds 1 and 2 are the first azoalkanes to undergo induced decomposition in solution.