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Transition-Metal-Free Intramolecular Ullmann-Type O-Arylation: Synthesis of Chromone Derivatives

✍ Scribed by Jie Zhao; Prof. Dr. Yufen Zhao; Prof. Dr. Hua Fu


Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
341 KB
Volume
123
Category
Article
ISSN
0044-8249

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✍ Israel-Martyr Mbomekalle; Bineta Keita; Yu Wei Lu; Louis Nadjo; Roland Contant; 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 207 KB

## Abstract Following the synthesis of pure [H~4~PW~18~O~62~]^7−^ (PW~18~), its derivatives monosubstituted with M (M = Mo^VI^, V^IV^, V^V^, Mn^II^, Fe^III^, Co^II^, Ni^II^ Cu^II^ and Zn^II^) were obtained. All compounds were characterized by elemental analysis, IR, UV/visible and ^31^P NMR spectro