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Aminephenolates of aluminum, gallium and zinc: synthesis, characterization and polymerization activity

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dc.abstract.enComplexes containing aminophenolate ligands are considered as very efficient initiators of ring-opening polymerization (ROP). Our systematic studies of the reactions of two selected aminophenols, 2-[(p-tolylamino)methyl]-4-(2,4,4-trimethylpentan-2-yl)phenol (L'H2) and 2-cyclohexylaminomethyl-4-methylphenol (L"H2), with alkyl compounds of aluminium, gallium and zinc resulted in the formation of a variety of products depending on the type of metallic centre and alkyl groups bonded to metal atoms. Vew trinuclear aluminium complexes (Me5Al3(L')2 (1) and Me5Al3(L")2 (2)), monomeric aluminium (tBuAl(L'H) (3) and tBu2Al(L"H) (5)) and gallium (tBu2Ga(L'H) (4) and tBu2Ga(L"H) (6)) compounds, and dinuclear gallium (Et2Ga(L"H).Et3Ga (7)) and zinc (tBuZn(L"H)]2 (8)) complexes were isolated and characterized. The molecular and crystal structures of 7 and 8 were determined on the basis if an X-ray diffraction study. Polymerization tests showed that only three complexes (6-8) had activity in the ROP of e-caprolactone, whereas 1-5 were inactive in ROP.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorOrłowska, Natalia
dc.contributor.authorZiemkowska, Wanda
dc.contributor.authorBujnowski, Krzysztof
dc.contributor.authorSynoradzki, Ludwik
dc.contributor.authorSocha, Paweł
dc.contributor.authorPlichta, Andrzej
dc.contributor.authorRzepiński, Patryk
dc.contributor.authorDobrzycki, Łukasz
dc.contributor.authorBasiak, Dariusz
dc.date.accessioned2024-01-24T16:28:42Z
dc.date.available2024-01-24T16:28:42Z
dc.date.issued2017
dc.description.financeNie dotyczy
dc.description.number11
dc.description.volume31
dc.identifier.doi10.1002/AOC.3748
dc.identifier.issn0268-2605
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/100542
dc.identifier.weblinkhttp://onlinelibrary.wiley.com/doi/10.1002/aoc.3748/abstract;jsessionid=0702E42D34AA54EBDA6FE70F07347805.f03t04
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofApplied Organometallic Chemistry
dc.relation.pagese3748
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enaluminium
dc.subject.enaminophenols
dc.subject.engallium
dc.subject.enring-opening polymerization
dc.subject.enzinc
dc.titleAminephenolates of aluminum, gallium and zinc: synthesis, characterization and polymerization activity
dc.typeJournalArticle
dspace.entity.typePublication