Journal
TETRAHEDRON
Volume 63, Issue 29, Pages 6874-6878Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2007.04.058
Keywords
ionic liquids; triphenylene; ether cleavage; discotic liquid crystals; microwaves
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This paper presents an environmentally benign procedure for the preparation of monohydroxy-functionalized triphenylenes using simple ionic reagents. Pyridinium hydrochloride, pyridinium hydrobromide, N-methyl pyridinium iodide, N-ethyl pyridinium bromide, and 1-n- butyl-3-methyl imidazolium bromide have been employed to prepare various monohydroxypentaalkoxytriphenylenes, which are valuable precursors for the synthesis of a variety of discotic monomers, dimers, oligomers, and polymers. (c) 2007 Elsevier Ltd. All rights reserved.
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