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Fast, efficient syntheses of linear poly(dipyrromethene)s

TitleFast, efficient syntheses of linear poly(dipyrromethene)s
Publication TypeJournal Article
Year of Publication2002
AuthorsChen, QQ, Dolphin, D
JournalCanadian Journal of Chemistry-Revue Canadienne De Chimie
Volume80
Pagination1668-1675
Date PublishedDec
Type of ArticleArticle
ISBN Number0008-4042
KeywordsANALOG, ARCHITECTURE, BILIRUBIN, CHEMISTRY, CU-I, DERIVATIVES, dipyrromethane, dipyrromethene, DIPYRROMETHENE LIGANDS, LEAD(II) COMPLEXES, linear polypyrroles, poly(dipyrromethene), PYRROLE PIGMENTS, TRANSPORT
Abstract

The synthesis of three octapyrrolic, 8-10, and four dodecapyrrolic, 15-18, oligomers is reported. They are linear poly(dipyrromethene)s and potential ligands as building blocks for supramolecular architectures through self-assembly. Octapyrrolic oligomers 8-10 were prepared in 90-95% yields by condensation of 2 equiv of a tripyrrolic compound 4 with 1 equiv of diformyldipyrrolic compounds 5-7. A similar procedure, involving the condensation of 2 equiv of a pentapyrrolic starting material 13 with 1 equiv of 5-7 or 14, was found to give rise to the corresponding dodecameric systems 15-18 in 41-56% yields.

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