Back to Search
Start Over
Metallo‐Helicoid with Double Rims: Polymerization Followed by Folding by Intramolecular Coordination
- Source :
- Angewandte Chemie International Edition. 60:1281-1289
- Publication Year :
- 2020
- Publisher :
- Wiley, 2020.
-
Abstract
- In this study, we established a feasible strategy to construct a new type of metallo-polymer with helicoidal structure through the combination of covalent polymerization and intramolecular coordination-driven self-assembly. In the design, a tetratopic monomer (M) was prepared with two terminal alkynes in the outer rim for polymerization, and two terpyridines (TPYs) in the inner rim for subsequent folding by selective intramolecular coordination. Then, the linear covalent polymer (P) was synthesized by polymerization of M via Glaser-Hay homocoupling reaction. Finally, intramolecular coordination interactions between TPYs and Zn(II) folded the backbone of P into a right- or left-handed metallo-helicoid (H) with double rims. Owing to multiple positive charges on the inner rim of helicoid, double-stranded DNA molecules (dsDNA) could interact with H through electrostatic interactions. Remarkably, dsDNA allowed exclusive formation of H with right handedness by means of chiral induction.
- Subjects :
- chemistry.chemical_classification
010405 organic chemistry
General Medicine
General Chemistry
Polymer
010402 general chemistry
01 natural sciences
Catalysis
0104 chemical sciences
Folding (chemistry)
Crystallography
chemistry.chemical_compound
Monomer
Polymerization
chemistry
Covalent bond
Intramolecular force
Molecule
Terpyridine
Subjects
Details
- ISSN :
- 15213773 and 14337851
- Volume :
- 60
- Database :
- OpenAIRE
- Journal :
- Angewandte Chemie International Edition
- Accession number :
- edsair.doi.dedup.....7571e5a7895ce92ca782452d75a951ba
- Full Text :
- https://doi.org/10.1002/anie.202010696