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New reaction of 1 H-pyrazoles with selenium dioxide: one-pot synthesis of bis(1H-pyrazol-4-yl)selenides.
Autorzy
Rok wydania
2010
Czasopismo
Numer woluminu
66
Strony
8772-8777
DOI
10.1016/j.tet.2010.08.071
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
A novel reaction between 3- and 3,5-substituted pyrazoles with selenium dioxide proceeds with for-mation of bis(3R,5R0-1H-pyrazol-4-yl)selenides in high yield. On this basis, an efficient one-pot syntheticprocedure has been developed. In the case of the unsubstituted pyrazole a selenonium compound hasbeen obtained. The identity and structure of the isolated selenium derivatives have been confirmed byspectral methods and their molecular structures investigated by X-ray analysis
Słowa kluczowe
Organoselenium compounds, One-pot synthesis, crystal structure, Nucleophiles, heterocycles, reaction mechanisms
Adres publiczny
http://dx.doi.org/10.1016/j.tet.2010.08.071
Strona internetowa wydawcy
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