One-pot conversion of tetraiminodiphenols to diiminodiaminodiphenols via methyl transfer at aluminium

Arbaoui, Abdessamad, Redshaw, Carl and Hughes, David L. (2009) One-pot conversion of tetraiminodiphenols to diiminodiaminodiphenols via methyl transfer at aluminium. Journal of Supramolecular Chemistry, 21 (1). pp. 35-43.

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Abstract

The [2+2] macrocyclic Schiff base {[2-(OH)-5-(tBu)C6H2-1,3-CH][(CH2CH2)(2-C6H4N)2]}2 (1) is readily converted to the diiminodiamine {[2-(OH)-5-(tBu)C6H2-1-(CH)-3-C(Me)H][(CH2CH2)(2-(N)-2′-C6H4NH)2]}2 (2) via methyl group transfer from Me3Al (four equivalents) and subsequent hydrolysis. When compound 1 is reacted with two equivalents of Me3Al, the dinuclear complex {(Me2Al)[2-(O)-5-(tBu)C6H2-1,3-(CH)2][(CH2CH2)(2-C6H4)2N)2]}2 (3) is formed. The structures of the macrocycles 1 and 2 are described (in the case of 1, the toluene solvate has also been structurally characterised).

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry (former - to 2024)
Depositing User:	Rachel Smith
Date Deposited:	24 Mar 2011 16:06
Last Modified:	29 Mar 2025 00:59
URI:	https://ueaeprints.uea.ac.uk/id/eprint/27139
DOI:	10.1080/10610270802438846

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