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Reactivity of pyrrole pigments: Part 14. The electrochemical oxidation and reduction of bile pigments

✍ Scribed by Josep M. Ribo; Joan-Anton Farrera; Josep Claret; Karl Grubmayr


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
962 KB
Volume
29
Category
Article
ISSN
1567-5394

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📜 SIMILAR VOLUMES


Reactivity of pyrrole pigments, III. Fra
✍ Ribó, Josep M. ;Trull, Francesc 📂 Article 📅 1983 🏛 John Wiley and Sons 🌐 English ⚖ 392 KB

## Abstract The 5‐(arylnitromethylene)‐3‐pyrrolin‐2‐ones **1‐5**, the 5‐nitrobilin‐**1,19**‐diones **7,8**, and the 5‐nitropyrromethenone **6** are shown to decompose in acidic media to yield maleimides according to fragmentation reactions of nitronic acids. This fragmentation reaction elucidates t