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Synlett 1998; 1998(7): 786-788
DOI: 10.1055/s-1998-1759
DOI: 10.1055/s-1998-1759
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.
Tandem [3 + 2] Cycloaddition Reaction of Azo-alkenes and Thiocyanic Acid: Extending the Scope of the Classical "Criss-Cross" Cycloaddition Reaction
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
![](https://www.thieme-connect.de/media/synlett/199807/lookinside/thumbnails/10.1055-s-1998-1759-1.jpg)
Phenylazoalkenes 4 with full substitution at the terminal carbon atom react with thiocyanic acid affording 2,3,5,6,7,7a-hexahydro-3-phenyl-1H-imidazo[1,5-b][1,2,4]triazole-2,5-dithiones 8. The bicyclic compounds 8 result from two consecutive [3 + 2] cycloaddition steps, thus adding a novel facet to the classical "Criss-cross" reaction.
azo-alkenes - azomethine imines - cycloadditions - bicyclic heterocyclic compounds