Tetrahedron p. 4441 - 4446 (1997)
Update date:2022-08-03
Topics:
Tieco, Marcello
Testaferri, Lorenzo
Marini, Francesca
Bagnoli, Luana
Santi, Claudio
Temperini, Andrea
Allylhydrazines react with phenylselenenyl sulfate, produced by diphenyl diselenide and ammonium persulfate in the presence of trifluoromethanesulfonic acid, to afford phenylseleno substituted pyrazolidines. Under the reaction conditions employed, these suffer dehydrogenation and oxidative deselenenylation to eventually give pyrazole derivatives.
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