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Reactivity of pyrrole pigments, part XVII. Reduction of bile pigments by sodium dithionite

✍ Scribed by J. -A. Farrera; M. C. Anglada; J. M. Ribó

Publisher
Springer Vienna
Year
1995
Tongue
English
Weight
397 KB
Volume
126
Category
Article
ISSN
0026-9247

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Reactivity of Pyrrole Pigments, VIII. Preparation of 5(2H)-Dipyrrylmethanones from 5(1H)-Pyrromethenones by Reduction with Sodium Dithionite
✍ Farrera, Joan A. ;Ribó, Josep M. ;Serra, Xavier ;Trull, Francesc R. 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 448 KB

Pyrromethenones 3 have been reduced with sodium dithionite to give 5(2H)-dipyrrylmethanones 4 in very good yields. Some ofthe conditions to optimize this reduction have been studied. ## Reaktivitat von Pyrrolpigmenten, VlII'). -Darstellung von 5(2H)-Dipyrrylmethanonen aus S(1H)-Pyrromethenonen du