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Synthesis 2003(5): 0662-0664
DOI: 10.1055/s-2003-38072
DOI: 10.1055/s-2003-38072
SHORTPAPER
© Georg Thieme Verlag Stuttgart ˙ New York
[4 + 1] Cycloaddition Reactions of o-Thioquinones with Isocyanides: Novel Syntheses of 2-Imino-1,3-Oxathioles
Weitere Informationen
Received
18 October 2002
Publikationsdatum:
21. März 2003 (online)
Publikationsverlauf
Publikationsdatum:
21. März 2003 (online)
Abstract
o-Thioquinones, generated in situ from o-hydroxyphenylthiophthalimides, underwent facile [4 + 1] cycloaddition reactions with isocyanides to afford 2-imino-1,3-oxathioles.
Key words
thioquinones - isocyanides - cycloadditions - 2-imino-1,3-oxathioles
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References
The ratio of the isomers was determined by the relative heights of the 13C signal of the carbon attached to the imino nitrogen.