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Issue 7, 2007
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Synthesis and degradation of photolabile dendrimers based on o-nitrobenzyl ether photolabile cores

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Abstract

Two dendrimer cores, 1a and 2a, that contain o-nitrobenzyl photolabile moieties, lack hydrolytically sensitive ester linkages and possess three and six sites for dendron attachment, respectively, have been alkylated to provide methylated core analogs 1b and 2b as well as second-generation benzylaryl ether dendrimer 1c and third-generation dendrimer 2c. These dendrimers undergo clean photocleavage as indicated by the evolution of isosbestic points in the UV spectra during photolysis. In addition, the nature of the photodegradation products was confirmed by observing the photolyses by both 1H NMR and GPC.

Graphical abstract: Synthesis and degradation of photolabile dendrimers based on o-nitrobenzyl ether photolabile cores

  • This article is part of the themed collection: Dendrimers
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Publication details

The article was received on 27 Nov 2006, accepted on 26 Mar 2007 and first published on 11 Apr 2007


Article type: Paper
DOI: 10.1039/B617289J
Citation: New J. Chem., 2007,31, 1332-1336

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    Synthesis and degradation of photolabile dendrimers based on o-nitrobenzyl ether photolabile cores

    R. M. Kevwitch and D. V. McGrath, New J. Chem., 2007, 31, 1332
    DOI: 10.1039/B617289J

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