Novel optically active helical poly(N-propargylthiourea)s: synthesis, characterization and complexing ability toward Fe(iii) ions

文献信息

发布日期 2011-10-21

DOI 10.1039/C1PY00457C

影响因子 5.582

作者

Ci Song, Lei Li, Fangjie Wang, Jianping Deng, Wantai Yang

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摘要

An enantiomeric pair of novel chiral N-propargylthiourea monomers (monomers 1 and 2) and their racemate (monomer 3) were synthesized and polymerized in the presence of (nbd)Rh+B−(C6H5)4 as a catalyst. The resulting poly(1) and poly(2) could adopt stable helices and demonstrate optical activity in solvents of low polarity (e.g.CHCl3), according to circular dichroism and optical rotation measurements. But for poly(3), no considerable CD signal was observed at 320 nm and above. Poly(1) and poly(2) kept stable helical structures in a temperature range from 0–60 °C, while failed to maintain helix in polar solvents. Helical poly(1) and poly(2) exhibited strong complexing ability towards Fe(III) ions, based on which novel sensors may be developed next.

期刊推荐

Topics in Catalysis

Atomization and Sprays

Journal of Asian Natural Products Research

Bioorganic & Medicinal Chemistry Letters

Polycyclic Aromatic Compounds

Heteroatom Chemistry

Cellulose

Critical Reviews in Solid State and Materials Sciences

Electroanalysis

Chinese Journal of Chemistry

来源期刊

Polymer Chemistry

CiteScore: 8.6

自引率: 7.3%

年发文量: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

Novel optically active helical poly(N-propargylthiourea)s: synthesis, characterization and complexing ability toward Fe(iii) ions

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