Studies on phosphonium ylides XXV: The behavior of active phosphacumulene and stabilized alkylidenephosphoranes towards 5-(4H)-oxazolones
The reaction of 2-phenyl-5-(4H)-oxazolone 1 and its 4-benzylidene derivative 2 with oxovinylidenetriphenylphosphorane 3 afforded 2-phenylfuro [3,2-d] [1,3]oxazol-5-(6H)-one 6 and 2,7-diphenyl-5H-pyrano[3,2-d][1,3]oxazol-5- one 7 along with triphenylphosph
Boulos, Leila S.,Arsanious, Mona H.N.,Ewies, Ewies F.
experimental part
p. 275 - 290
(2009/10/02)
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