Preparation and X-ray crystallographic study of 6-(2-pyridyl)-3,5-hexadiyn-1-ol: the effect of monomer single crystal structure on polymerization

Suh, Min Chul; Kim, Sun Nam; Lee, Heung Jae; Shim, Sang Chul; Suh, Il-Hwan; Lee, Jinho; Park, Jeong-Ran

doi:10.1016/0379-6779(94)02316-q

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“…NbCl 5 was purified by sublimation prior to use. 2-Ethynylpyridine was prepared by the reported method . Solvents were purified by standard methods, care being taken to remove moisture as completely as possible for the polymerization solvent (chlorobenzene).…”

Section: Methodsmentioning

confidence: 99%

Preparation and Characterization of Nitrogen and Oxygen Containing Graphite-like Pyropolymers from 5-(2-Pyridyl)-2,4-pentadiyn-1-ol

Suh

Shim

1997

Chem. Mater.

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5-(2-Pyridyl)-2,4-pentadiyn-1-ol was polymerized over NbCl5- or TaCl5-based catalysts followed by pyrolysis to obtain graphite-like pyropolymers. The black metathesis polymer, poly[5-(2-pyridyl)-2,4-pentadiyn-1-ol], has the structure of a fully conjugated backbone and was converted into a polyacene-based polymer having pyridyl pendant groups. The pyropolymers prepared by vacuum pyrolysis over 700 °C have nitrogen atoms incorporated into graphene sheets. The polymers were characterized by elemental analysis, TGA, FT-IR, laser Raman, NMR, XPS, X-ray diffraction, temperature-programmed desorption experiments, charge/discharge experiments, and SEM and TEM studies.

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Section: Methodsmentioning

confidence: 99%