Journal of the Chemical Society. Chemical communications p. 1218 - 1220 (1980)
Update date:2022-08-29
Topics:
Owston, Philip G.
Peters, Roger
Ramsammy, Edward
Tasker, Peter A.
Trotter, Jill
Di-imine tetra-aza macrocycles with an extensive range of ring sizes can be isolated by simple condensations without recourse to 'metal-ion template' or 'high-dilution' reactions, provided the rings can form intramolecular hydrogen bonds to reduce unfavourable lone-pair-lone-pair interactions between the nitrogen atoms.
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