Journal
POLYMER CHEMISTRY
Volume 6, Issue 17, Pages 3201-3204Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5py00424a
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Funding
- Verband der Chemischen Industrie (VCI)
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The synthesis of sequence-defined oligomers by the iterative application of the modular Ugi four-component reaction (U-4CR) and the efficient thiol-ene addition reaction is described. By varying the amine component in the U-4CR, a sequence-defined and monodisperse tetramer (M = 1568.5 g mol(-1)) was obtained. More interestingly, if both the amine and the isocyanide components were varied simultaneously in the U-4CR, a double sequence-controlled, monodisperse pentamer (M = 2411.8 g mol(-1)) bearing ten different and selectable side chains was obtained. All oligomers were thoroughly characterized by NMR and IR spectroscopy, mass spectrometry and GPC.
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