1,3-Selenaphospholes: A New Synthesis from 1,2,3-Selenadiazoles and Kinetically Stabilized Phosphaalkynes1
- 1 January 1991
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 1991 (05) , 356-358
- https://doi.org/10.1055/s-1991-34731
Abstract
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 processKeywords
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