A Synthetic Route to Quaternary Pyridinium Salt-Functionalized Silsesquioxanes
Joint Authors
Hilfert, Liane
Edelmann, Frank T.
Kostenko, Nataliya
Gottfriedsen, Jochen
Source
International Journal of Polymer Science
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-09-25
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
A synthetic route to potentially biocidal silsesquioxanes functionalized by quaternary pyridinium functionalities has been developed.
N-Alkylation reactions of the precursor compounds 4-(2-(trimethoxysilyl)ethyl)-pyridine (5) and 4-(2-trichloro-silylethyl)pyridine (6) with iodomethane, n-hexylbromide, and n-hexadecylbromide cleanly afforded the corresponding N-alkylpyridinium salts (7–10).
The synthesis of a 4-(2-ethyl)pyridine POSS derivative (2) was achieved by capping of the silsesquioxane trisilanol Cy7Si7O9(OH)3 (1) via two different preparative routes.
Attempts to use compound 2 as precursor for quaternary pyridinium salt-functionalized POSS derivatives were met with only partial success.
Only the reaction with iodomethane cleanly afforded the new N-methylpyridinium salt 12 in high yield, whereas n-hexylbromide and n-hexadecylbromide failed to react with 2 even under forcing conditions.
American Psychological Association (APA)
Kostenko, Nataliya& Gottfriedsen, Jochen& Hilfert, Liane& Edelmann, Frank T.. 2012. A Synthetic Route to Quaternary Pyridinium Salt-Functionalized Silsesquioxanes. International Journal of Polymer Science،Vol. 2012, no. 2012, pp.1-9.
https://search.emarefa.net/detail/BIM-482966
Modern Language Association (MLA)
Kostenko, Nataliya…[et al.]. A Synthetic Route to Quaternary Pyridinium Salt-Functionalized Silsesquioxanes. International Journal of Polymer Science No. 2012 (2012), pp.1-9.
https://search.emarefa.net/detail/BIM-482966
American Medical Association (AMA)
Kostenko, Nataliya& Gottfriedsen, Jochen& Hilfert, Liane& Edelmann, Frank T.. A Synthetic Route to Quaternary Pyridinium Salt-Functionalized Silsesquioxanes. International Journal of Polymer Science. 2012. Vol. 2012, no. 2012, pp.1-9.
https://search.emarefa.net/detail/BIM-482966
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-482966