Phthalocyanines bearing bulky cycloalkylmethyl substituents on non-peripheral sites

Andrew N. Cammidge, Chiung-Hui Tseng, Isabelle Chambrier, David L. Hughes, Michael J. Cook

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Octasubstituted phthalocyanines bearing bulky (cyclopentyl)methyl- and (cyclohexyl)methyl-substituents in non-peripheral positions are prepared and characterised. The synthesis of the precursor phthalonitriles is achieved through nickel-catalysed cross-coupling employing alkylzinc reagents. In the case of the (cyclopentyl)methyl derivative the formal precursor is 5-hexenyl bromide which yields the cyclised material exclusively on formation of the zinc reagent and subsequent cross-coupling.
Original languageEnglish
Pages (from-to)5254-5256
JournalTetrahedron Letters
Issue number37
Publication statusPublished - 2009

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