Oligoethyl ether derivatives of ester functionalised nickel(II) macrocycles

Michaele J. Hardie, Nino Malic, Peter J. Nichols, Colin L. Raston

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

γ,γ′-Ester functionalisation of the macrocycle 5,7,12,14-tetramethyldibenzo[b,i ]-1,4,8,11-tetraazacyclotetradecinenickel-(II) (Ni(TMTAA)), using two alternative methods, either based on oxalyl chloride or 'triphosgene', has been effective in the synthesis of novel cyclic crown ether-type molecules containing a rigid, saddle shaped nickel(II) macrocycle and an oligoethyl ether chain. Mono-ester derivatisation using triphosgene allows access to compounds with two Ni(TMTAA) units bridged by oligoethyl ethers of various chain length.

Original languageEnglish
Pages (from-to)8075-8079
Number of pages5
JournalTetrahedron Letters
Volume42
Issue number45
DOIs
Publication statusPublished - 5 Nov 2001
Externally publishedYes

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