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New Type of Lariat Ethers: Synthesis and Cation Binding Ability of Phosphonoalkyl-Azacrown Ethers

✍ Scribed by György Keglevich; Tibor Novák; Péter Bakó; Kálmán újszászy; Krisztina Ludányi; Klára Tóth; László Tõke

Book ID
110258409
Publisher
Springer Netherlands
Year
1999
Tongue
English
Weight
67 KB
Volume
34
Category
Article
ISSN
0923-0750

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Synthesis and cation binding ability of
Synthesis and cation binding ability of azacrown ethers with phosphine or phosphine oxide side chain
✍ György Keglevich; Tibor Novák; Tímea Imre; Péter Bakó; László Tőke; Kálmán Újszá 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 158 KB

The reaction of monoaza-15-crown-5 1 with bromoalkylphosphine oxides 2 and diphenylvinylphosphine oxide led to a new type of lariat ethers (3a-d), one member of which (3a) was deoxygenated to the corresponding phosphine (4). The substituent at the nitrogen atom had a great impact on the extraction a