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Direct alkylation of pyrrole with vinyl substituted aromatics: versatile precursors for the synthesis of porphyrinoid macrocycles

Title
Direct alkylation of pyrrole with vinyl substituted aromatics: versatile precursors for the synthesis of porphyrinoid macrocycles
Authors
Hong S.-J.Jeong S.-D.Yoo J.Kim J.S.Yoon J.Lee C.-H.
Ewha Authors
윤주영
SCOPUS Author ID
윤주영scopus
Issue Date
2008
Journal Title
Tetrahedron Letters
ISSN
0040-4039JCR Link
Citation
vol. 49, no. 26, pp. 4138 - 4141
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
5-Substituted dipyrromethane analogues (8), (23) and (25) were synthesized by the reaction of 2-vinylpyrroles, 2-vinylthiophene or 2-vinylbenzenes with excess pyrrole in the presence of Lewis acids. Accordingly, tripyrromethane analogues could be obtained by starting with 2,5-divinyl thiophene or 2,6-divinylbenzenes. The reaction usually gave moderate yields and catalyst-dependent was seen in some cases. The reaction is compatible with other reported dipyrromethane syntheses and could be applied for the construction of unusual porphyrins. © 2008 Elsevier Ltd. All rights reserved.
DOI
10.1016/j.tetlet.2008.04.119
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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