Progress in the Synthesis and Bioactivity of Hexacoordinate Silicon(IV) Complexes

(Arenediolato)bis(polypyridyl)silicon(IV) complexes contain hexacoordinate silicon and are surprisingly stable against hydrolysis in water. In an ongoing research program, we are aiming to exploit them as new structural templates for the design of bioactive compounds. As a follow‐up to previous work...

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Veröffentlicht in:European journal of inorganic chemistry 2016-11, Vol.2016 (32), p.5161-5170
Hauptverfasser: Henker, Jens, Wirmer-Bartoschek, Julia, Bendel, Lars Erik, Xiang, Yonggang, Fu, Chen, Harms, Klaus, Schwalbe, Harald, Meggers, Eric
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container_end_page 5170
container_issue 32
container_start_page 5161
container_title European journal of inorganic chemistry
container_volume 2016
creator Henker, Jens
Wirmer-Bartoschek, Julia
Bendel, Lars Erik
Xiang, Yonggang
Fu, Chen
Harms, Klaus
Schwalbe, Harald
Meggers, Eric
description (Arenediolato)bis(polypyridyl)silicon(IV) complexes contain hexacoordinate silicon and are surprisingly stable against hydrolysis in water. In an ongoing research program, we are aiming to exploit them as new structural templates for the design of bioactive compounds. As a follow‐up to previous work, here we present our progress in the synthesis of hexacoordinate silicon complexes by selective ortho‐double nitration of the electron‐rich catecholato ligand, followed by reduction to diamines and condensation either with 1,2‐diketones or with aldehydes. Binding epitopes of some representative complexes to G‐quadruplex DNA as determined by NMR spectroscopic titration are presented. (Arenediolato)bis(polypyridyl)silicon(IV) complexes were selectively functionalized through a bis‐nitration/reduction/condensation protocol and investigated for their binding to DNA G‐quadruplexes.
doi_str_mv 10.1002/ejic.201600953
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source Wiley Online Library Journals Frontfile Complete
subjects Binding
Biochemistry
Condensation
Deoxyribonucleic acid
DNA quadruplexes
Hexacoordination
Ligands
Nitration
NMR spectroscopy
Reduction
Silicon
Synthesis
title Progress in the Synthesis and Bioactivity of Hexacoordinate Silicon(IV) Complexes
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