Gjata, E., Ableidinger, K., Liska, R., & Knaack, P. (2025). Photoinduced liberation of a phosphazene superbase as an initiator for oxa-Michael addition reactions. MONATSHEFTE FUR CHEMIE. https://doi.org/10.1007/s00706-025-03378-6
E163-02-1 - Forschungsgruppe Polymerchemie und Technologie
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Journal:
MONATSHEFTE FUR CHEMIE
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ISSN:
0026-9247
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Date (published):
23-Sep-2025
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Number of Pages:
13
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Publisher:
SPRINGER WIEN
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Peer reviewed:
Yes
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Keywords:
Michael addition; Photobase generator; Photochemistry; Polymerizations; Superbase
en
Abstract:
We describe herein the facile preparation and characterization of new photobase generators based on carboxylate-functionalized chromophores. They pair high wavelength absorption with the liberation of an extremely strong phosphazene superbase. We additionally demonstrate their outstanding capacity in initiating a Brønsted base mediated oxa-Michael addition through a systematic optimization study. To the best of our knowledge, this work marks the first report on the light triggered initiation of an oxa-Michael addition reaction between an alcohol and acrylamide via photobase generators.
