Synthesis of Functionalized Trisphosphine Oxides as Precursors of Tripodal Propeller-Shaped Ligands

A series of precursors of novel tripodal ligands [(2-XC[H.sub.2]C[H.sub.2]C[H.sub.2]O[C.sub.6][H.sub.4]).sub.3] PO, where X = AcO, HO, MeS[O.sub.2]O, Br, [N.sub.3, were synthesized by the alkylation of the starting tris(2-hydroxyphenyl)phosphine oxide with 3-bromopropyl acetate followed by hydrolysi...

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Bibliographic Details
Published in:Russian journal of general chemistry 2018-09, Vol.88 (9), p.1927
Main Authors: Baulina, T.V, Kudryavtsev, I.Yu, Sykat, G.Ya, Brel, V.K
Format: Article
Language:English
Subjects:
Nuclear energy
Oxides
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Summary:A series of precursors of novel tripodal ligands [(2-XC[H.sub.2]C[H.sub.2]C[H.sub.2]O[C.sub.6][H.sub.4]).sub.3] PO, where X = AcO, HO, MeS[O.sub.2]O, Br, [N.sub.3, were synthesized by the alkylation of the starting tris(2-hydroxyphenyl)phosphine oxide with 3-bromopropyl acetate followed by hydrolysis of the resulting triacetate to triol and conversion of the latter to trimesylate. Treratment of the resulting trimesylate with LiBr or Na[N.sub.3] was used to prepare the corresponding tribromo or triazido derivatives. Keywords: tripodal propeller-shaped ligands, functionalization of triaiylphosphine oxides, substituted tris-(3propoxyphenyl)phosphine oxides
ISSN:1070-3632