A Bis-Triazacyclononane Tris-Pyridyl N9-Azacryptand “Beer Can” Receptor for Complexation of Alkali Metal and Lead(II) Cations

Asha Brown; Thanthapatra Bunchuay; Christopher G. Crane; Nicholas G. White; Amber L. Thompson; Paul D. Beer

doi:10.1002/chem.201801300

A Bis-Triazacyclononane Tris-Pyridyl N₉-Azacryptand “Beer Can” Receptor for Complexation of Alkali Metal and Lead(II) Cations

Asha Brown
, Thanthapatra Bunchuay
, Christopher G. Crane
, Nicholas G. White
, Amber L. Thompson
, Paul D. Beer

Oxford University Clinical Academic Graduate School
Australian National University

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

A new bis-triazacyclononane tris-pyridyl N₉-azacryptand ligand is prepared via a convenient one-pot [2+3] condensation reaction between triazacyclononane and 2,6-bis(bromomethyl) pyridine in the presence of M₂CO₃ (M=Li, Na, K). The proton, lithium, sodium, potassium and lead(II) complexes of the ligand are characterised in the solid state. Preliminary solution-phase competition experiments indicate that the cryptand ligand preferentially binds lead(II) in the presence of sodium, calcium, potassium and zinc cations in methanol solution.

Original language	English
Pages (from-to)	10434-10442
Number of pages	9
Journal	Chemistry - A European Journal
Volume	24
Issue number	41
DOIs	https://doi.org/10.1002/chem.201801300
Publication status	Published - 20 Jul 2018
Externally published	Yes

Keywords

cryptands
host–guest chemistry
metal cation recognition
supramolecular chemistry
template-directed assembly

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10.1002/chem.201801300

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title = "A Bis-Triazacyclononane Tris-Pyridyl N9-Azacryptand “Beer Can” Receptor for Complexation of Alkali Metal and Lead(II) Cations",

abstract = "A new bis-triazacyclononane tris-pyridyl N9-azacryptand ligand is prepared via a convenient one-pot [2+3] condensation reaction between triazacyclononane and 2,6-bis(bromomethyl) pyridine in the presence of M2CO3 (M=Li, Na, K). The proton, lithium, sodium, potassium and lead(II) complexes of the ligand are characterised in the solid state. Preliminary solution-phase competition experiments indicate that the cryptand ligand preferentially binds lead(II) in the presence of sodium, calcium, potassium and zinc cations in methanol solution.",

keywords = "cryptands, host–guest chemistry, metal cation recognition, supramolecular chemistry, template-directed assembly",

author = "Asha Brown and Thanthapatra Bunchuay and Crane, \{Christopher G.\} and White, \{Nicholas G.\} and Thompson, \{Amber L.\} and Beer, \{Paul D.\}",

note = "Publisher Copyright: {\textcopyright} 2018 Wiley-VCH Verlag GmbH \& Co. KGaA, Weinheim",

year = "2018",

month = jul,

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doi = "10.1002/chem.201801300",

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AU - Brown, Asha

AU - Bunchuay, Thanthapatra

AU - Crane, Christopher G.

AU - White, Nicholas G.

AU - Thompson, Amber L.

AU - Beer, Paul D.

PY - 2018/7/20

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N2 - A new bis-triazacyclononane tris-pyridyl N9-azacryptand ligand is prepared via a convenient one-pot [2+3] condensation reaction between triazacyclononane and 2,6-bis(bromomethyl) pyridine in the presence of M2CO3 (M=Li, Na, K). The proton, lithium, sodium, potassium and lead(II) complexes of the ligand are characterised in the solid state. Preliminary solution-phase competition experiments indicate that the cryptand ligand preferentially binds lead(II) in the presence of sodium, calcium, potassium and zinc cations in methanol solution.

AB - A new bis-triazacyclononane tris-pyridyl N9-azacryptand ligand is prepared via a convenient one-pot [2+3] condensation reaction between triazacyclononane and 2,6-bis(bromomethyl) pyridine in the presence of M2CO3 (M=Li, Na, K). The proton, lithium, sodium, potassium and lead(II) complexes of the ligand are characterised in the solid state. Preliminary solution-phase competition experiments indicate that the cryptand ligand preferentially binds lead(II) in the presence of sodium, calcium, potassium and zinc cations in methanol solution.

KW - cryptands

KW - host–guest chemistry

KW - metal cation recognition

KW - supramolecular chemistry

KW - template-directed assembly

UR - https://www.scopus.com/pages/publications/85050408195

U2 - 10.1002/chem.201801300

DO - 10.1002/chem.201801300

M3 - Article

C2 - 29668116

AN - SCOPUS:85050408195

SN - 0947-6539

VL - 24

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EP - 10442

JO - Chemistry - A European Journal

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IS - 41

ER -

A Bis-Triazacyclononane Tris-Pyridyl N₉-Azacryptand “Beer Can” Receptor for Complexation of Alkali Metal and Lead(II) Cations

Abstract

Keywords

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