Heterocycles with potential heterodienes. I. A New Synthesis of 3-Methyl-1-phenyl-4-phenylazomethine-5-pyrazolone: Comparison with other synthetic routes

Heterocycles with potential heterodienes

Heterocycles with potential heterodienes. III. Synthesis and Cycloaddition of 4-Carbomethylen-3-methyl-1-phenyl-5-pyrazolones

✍ Dr. G. Tacconi; A. Gamba Invernizzi; P. P. Righetti; Dr. G. Desimoni 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 260 KB

**Heterocyclen mit potentiellen Heterodienen. III. Synthese und Cycloaddition von 4‐Carbomethylen‐3‐methyl‐1‐phenyl‐5‐pyrazolen** 4‐Carbomethylen‐3‐methyl‐1‐phenyl‐5‐pyrazolone (**4a, 4b**) entstehen aus 2‐Pyrazoline‐, 5‐dion 2 und Benzoylmethylen‐ bzw. Carbomethomethylen‐triphenylphoranen (**3a**