Tetrahedron p. 2435 - 2450 (1986)
Update date:2022-08-03
Topics:
El Manouni, D.
Leroux, Y.
Burgada, R.
Cyclic and acyclic trivalent phosphorus compounds (1, 2, 3, 4) were reacted with activated carbonyl acetylenic compounds as 1-4-diphenyl-2 butyne-1,4-dione; 1-Methoxy-phenyl-4-Phenyl-2-Butyne-1,4-dione; 4-oxo-4-phenyl-Methyl-2-butynoate and 1,3-diphenyl-1-propyne-2-one.All these reaction were performed in presence of protic trapping reagents ZH such as methanol a, phenol b or phtalimid c.All these reactions lead to a very unstable 1,3 dipolar species like
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(2015)