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Synlett 1991; 1991(5): 356-358
DOI: 10.1055/s-1991-34731
DOI: 10.1055/s-1991-34731
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.
1,3-Selenaphospholes: A New Synthesis from 1,2,3-Selenadiazoles and Kinetically Stabilized Phosphaalkynes1
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Publikationsverlauf
Publikationsdatum:
07. März 2002 (online)
![](https://www.thieme-connect.de/media/synlett/199105/lookinside/thumbnails/10.1055-s-1991-34731-1.jpg)
Photolysis or thermolysis of the 1,2,3-selenadiazoles 6a-e in the presence of the kinetically stabilized phosphaalkynes 3a-c gives rise to the previously scarcely known 1,3-selenaphospholes 7a-i. Electron-deficient species of the type 9, containing the sextet dipole +C(R1)=C(R1)-Se- :C(R1)-C(R1)=Se or the diradical ????C(R1)=C(R1)-Se????, are presumed to be responsible for this cycloaddition process