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Photoactive cryptands. Synthesis of the sodium cryptates of macrobicyclic ligands containing bipyridine and phenoanthroline groups

  • Juan‐Carlos Rodriguz‐Ubis
  • , Béatrice Alpha
  • , Dominique Plancherel
  • , Jean‐Marie Lehn

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

The NaBr cryptates of five macrobicyclic ligands containing bipyridine (bpy) and phenanthroline (phen) groups, i.e, of [bpy.bpy.bpy] 1 [bpy.bpy.phen] 2 [phen.phen.‐phen] 3 [2.1.phen] 4 and [2.2.phen] 5, have been prepared. 1, 2, 4 and 5 have been obtained in high yield by condensation of bis(bromomethyl)bipyridine 6 or ‐phenanthroline 9 with the corresponding macrocyclic diamines in presence of Na<sub>2</sub>CO<sub>3</sub>. Direct access to the NaBr complexes of th symmetrical cryptands 1 and 3 was achieved by a one‐step macrobicyclisation procedure. The metal‐ion complexes of ligands 1‐5 have the attractive feature of combining the cation inclusion, nature of cryptates with the photoactivity of bipyridine and phenanthroline groups; they may thus be expected to posses a variety of interesting physical and chemical properties. Copyright © 1984 Verlag GmbH & Co. KGaA, Weinheim
Original languageEnglish
Pages (from-to)2264-2269
JournalHelvetica Chimica Acta
Volume67
Issue number8
DOIs
Publication statusPublished - 19 Dec 1984
Externally publishedYes

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