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Synlett 2006(2): 201-206
DOI: 10.1055/s-2005-922792
DOI: 10.1055/s-2005-922792
LETTER
© Georg Thieme Verlag Stuttgart · New York
Reactions of N-Methyl Cyclic Ketene-N,X-acetals (X = S, O) with Isocyanates and Isothiocyanate
Further Information
Received
29 June 2005
Publication Date:
23 December 2005 (online)
Publication History
Publication Date:
23 December 2005 (online)
![](https://www.thieme-connect.de/media/synlett/200602/lookinside/thumbnails/10.1055-s-2005-922792-1.jpg)
Abstract
Nucleophilic N-methyl cyclic ketene-N,X-acetals (X = S, O) can react with electrophilic aryl isocyanates, vinyl isocyanates and aryl isothiocyanates to form mono-adducts, bis-adducts and spirobicyclic compounds.
Key words
N-methyl cyclic ketene-N,S-acetals - N-methyl cyclic ketene-N,O-acetals - aryl isocyanates - vinyl isocyanates - aryl isothiocyanate
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