Published in
Royal Society of Chemistry, Chemical Science, 17(12), p. 6064-6072, 2021
DOI: 10.1039/d1sc00856k
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A bifunctional iminophosphorane squaramide catalyzed enantioselective synthesis of hydroquinazolinesviaintramolecular aza-Michael reaction to α,β-unsaturated esters
Journal article published in 2021 by
Guanglong Su 
,
Connor J. Thomson,
Ken Yamazaki ,
Daniel Rozsar ,
Kirsten E. Christensen,
Trevor A. Hamlin ,
Darren J. Dixon
,
Connor J. Thomson,
Ken Yamazaki ,
Daniel Rozsar ,
Kirsten E. Christensen,
Trevor A. Hamlin ,
Darren J. Dixon
This paper is made freely available by the publisher.
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Abstract
The activation of both aromatic and aliphatic ureas as N-centered nucleophiles in intramolecular Michael addition reactions to α,β-unsaturated esters was achieved under bifunctional iminophosphorane squaramide superbase catalysis.