Tetrahedron p. 12727 - 12742 (1994)
Update date:2022-08-03
Topics:
Palacios, Francisco
Aparicio, Domitila
Santos, Jesus M. de los
β-Enehydrazino phosphonium salts 3 as well as β-hydrazono phosphine oxides 6 and phosphonates 7 are obtained from hydrazines, propargylphosphonium salts 2 and phosphorylated allenes 4 and 5. β-Functionalized compounds 3, 6 and 7 are used for the synthesis of α,β-unsaturated hydrazones 1, pyrazoline 14 and pyrazole derivative 15.
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(2019)