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Zur Umkupplung von 4-Arylazo-2-pyrazolin-5-onen mit p-Chinondiiminkationen

✍ Scribed by Prof. Dr. E. Fanghänel; Dr. M. S. Akhlaq; Dr. N. Grossmann; U. Willscher

Publisher
John Wiley and Sons
Year
1986
Tongue
English
Weight
417 KB
Volume
328
Category
Article
ISSN
1615-4150

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✍ Dr. H. Wilde; Doz. Dr. R. Herzschuh; Dipl.-Chem. P. Lepom; Prof. Dr. G. Mann 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 253 KB

**Oxidative Coupling of CH‐acid Compounds with p‐Phenylenediamines. V. Mass Spectrometric Fragmentation of 4‐Substituted 3‐Methyl‐1‐phenyl‐pyrazolin‐5‐ones** The mass spectra of 3‐methyl‐1‐phenyl‐pyrazolin‐5‐one **1** and 4‐substituted derivatives **2–18** have been studied and the fragmentation me