Concepedia

Conjugated azoalkenes. Part XI. Direct synthesis of substituted pyrazoles and 4-triphenylphosphoranylidene-4,5-dihydropyrazol-5-ones by heterocyclization of some zwitterionic 1,4-adducts between conjugated azoalkenes and triphenylphosphine

Orazio A. Attanasi, Paolino Fïlippone, Amedeo Mei

Tetrahedron · 1992 · 27 citations · 4 references

DOI

Concepts

References

4

CONJUGATED AZOALKENES: ATTRACTIVE PRODUCTS AND VERSATILE INTERMEDIATES

Orazio A. Attanasi, Luciano Caglioti · Organic Preparations and Procedures International · 1986 · 73 citations

, , +6

Effect of Metal Ions in Organic Synthesis; Part XXIII. Easy and High-Yield Direct Synthesis of 3-Aminocarbonyl-1-ureidopyrroles by the Copper(II) Chloride-Catalyzed Reaction of Aminocarbonylazoalkenes with 3-Oxoalkanamides

Orazio A. Attanasi, Paolino Fïlippone, Amedeo Mei et al. · Synthesis · 1984 · 72 citations

, , +13

Effect of Metal Ions in Organic Synthesis; Part XXIV. Facile One-Flask Synthesis of 1-Alkoxycarbonylamino-3-aminocarbonylpyrroles by Reaction of Alkoxycarbonylazoalkenes with 3-Oxoalkanamides under Copper(II) Chloride Catalysis

Orazio A. Attanasi, Paolino Fïlippone, Amedeo Mei et al. · Synthesis · 1984 · 58 citations

, , +13

Conjugated azoalkenes. Part IX. New 1-amino-4-triphenylphosphoranylidene-5-oxo-2-pyrrolines or αβ-unsaturated hydrazones by reaction of azoalkenes with carboalkoxymethylene triphenylphosphorane

Orazio A. Attanasi, Paolino Fïlippone, Amedeo Mei et al. · Tetrahedron · 1990 · 15 citations

, , +11