Complexation of Metals with Piperazine-containing Azamacrocyclic Fluorophores

Angelovski, G; Costisella, B; Kolarić, B; Engelhard, M; Eilbracht, P

doi:10.1021/jo049465o

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Complexation of Metals with Piperazine-containing Azamacrocyclic Fluorophores

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https://pubs.acs.org/doi/pdf/10.1021/jo049465o?rand=m4cn59ba
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Angelovski, G., Costisella, B., Kolarić, B., Engelhard, M., & Eilbracht, P. (2004). Complexation of Metals with Piperazine-containing Azamacrocyclic Fluorophores. The Journal of Organic Chemistry, 59(16), 5290-5294. doi:10.1021/jo049465o.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-DA57-0

Abstract

Azamacrocyclic fluorophores containing piperazine units were synthesized
using sequential rhodium-catalyzed regioselective hyd

Azamacrocyclic fluorophores
containing piperazine units were synthesized using
sequential rhodium-catalyzed regioselective hydroformylation-reductive amination.
A piperazine unit is introduced into the macrocycles to act simultaneously as electron donor and
binding site. The macrocycles chelate
divalent cations, either Zn2+ or Co2+,
which considerably enhanced fluorescence. Complexation
with Zn2+ was additionally confirmed by NMR.