SYNTHESIS OF A STAR-SHAPED POLYMER VIA COORDINATION OF ESTER-LINKED PYRIDYL-TERMINATED POLY(OXYETHYLENE) WITH RU(II)

Authors
NAKA K KOBAYASHI A CHUJO Y
Citation
K. Naka et al., SYNTHESIS OF A STAR-SHAPED POLYMER VIA COORDINATION OF ESTER-LINKED PYRIDYL-TERMINATED POLY(OXYETHYLENE) WITH RU(II), Macromolecular rapid communications, 18(12), 1997, pp. 1025-1032
Citations number
20
Journal title
Macromolecular rapid communications → ACNP
ISSN journal
10221336
Volume
18
Issue
12
Year of publication
1997
Pages
1025 - 1032
Database
ISI
SICI code
1022-1336(1997)18:12<1025:SOASPV>2.0.ZU;2-1
Abstract
The star-shaped polymer with trans-tetrapyridyl complex of Ru(II) as a core was pre pared by complexation of ester-linked pyridyl-terminated poly(oxyethylene) (($) over bar(n) = 2000) with a Ru5Cl122-; cluster. The unimodal peak of the star-shaped polymer in the gel-permeation ch romatogram was shifted to a higher molecular weight region than that o f the starting prepolymer. The electron-withdrawing ester substituent in para position of the pyridine ring shifted the metal-to-ligand char ge transfer (MLCT) band into the visible region.