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Synlett 2001; 2001(8): 1237-1240
DOI: 10.1055/s-2001-16053
DOI: 10.1055/s-2001-16053
letter
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.
A New and Straightforward Approach to Highly Functionalized 2-Imidazolin-2-ones
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2001 (online)
![](https://www.thieme-connect.de/media/synlett/200108/lookinside/thumbnails/10.1055-s-2001-16053-1.jpg)
Substituted aminocarbonyldiazenecarboxylates reacted with 1,3-diketones or β-ketoesters under mild reaction conditions in the presence of ZrCl4 to give highly functionalized imidazolin-2-ones via the corresponding Michael adducts. Reaction of unsymmetrical precursors resulted in the formation of only one regioisomer.
aminocarbonyldiazenecarboxylates - amination - regioselectivity - cyclizations - imidazolin-2-ones