Supramolecular graft copolymers based on 2,7-diamido-1,8-naphthyridines

被引：55

作者：

Ohkawa, Haruki ^{[1
]}

Ligthart, G. B. W. L. ^{[1
]}

Sijbesma, Rint P. ^{[1
]}

Meijer, E. W. ^{[1
]}

机构：

[1] Eindhoven Univ Technol, Lab Macromol & Organ Chem, NL-5600 MB Eindhoven, Netherlands

来源：

MACROMOLECULES | 2007年 / 40卷 / 05期

关键词：

D O I：

10.1021/ma062317a

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Supramolecular graft copolymers containing a quadruple hydrogen bond motif in the main chain have been prepared by acyclic diene metathesis (ADMET) polymerization of an alpha,omega-diene monomer containing a 2,7-diamido-1,8-naphthyridine (Napy) unit. During the ADMET polymerization, a supramolecular protection strategy was applied in order to prevent naphthyridine coordination to the ruthenium catalyst. The 2-ureido-4[1H]-pyrimidinone (UPy) derivatives used as protecting groups also allowed for detection of the supramolecular graft copolymer with size exclusion chromatography. Deprotection by simple treatment with a polar solvent afforded free Napy binding sites on the main chain. Reversible grafting of UPy derivatives of various sizes onto the free poly-Napy was demonstrated by diffusion-ordered NMR experiments.

引用

页码：1453 / 1459

页数：7

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