The syntheses and complexing properties of oxo-12-crown-3 and oxo-18-crown-5

Geoffrey D. Beresford; J. Fraser Stoddart

doi:10.1016/S0040-4039(00)71529-2

The syntheses and complexing properties of oxo-12-crown-3 and oxo-18-crown-5

Geoffrey D. Beresford, J. Fraser Stoddart^*

^*Corresponding author for this work

Chemistry

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

4 Scopus citations

Abstract

Derivatives of 12-crown-4 and 18-crown-6 in which one of the ethereal oxygens is replaced by a CO group have been synthesised and their complexing abilities towards both metal and organic cations have been assessed. Variable temperature ¹H decoupled ¹³C n.m.r. spectroscopy reveals the presence of anisometric species in solution when a 1:1 complex is formed between oxo-18-crown-5 and (S)-PhCHMeNH₃⁺ClO₄.

Original language	English (US)
Pages (from-to)	867-870
Number of pages	4
Journal	Tetrahedron Letters
Volume	21
Issue number	9
DOIs	https://doi.org/10.1016/S0040-4039(00)71529-2
State	Published - 1980

ASJC Scopus subject areas

Biochemistry
Drug Discovery
Organic Chemistry

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abstract = "Derivatives of 12-crown-4 and 18-crown-6 in which one of the ethereal oxygens is replaced by a CO group have been synthesised and their complexing abilities towards both metal and organic cations have been assessed. Variable temperature 1H decoupled 13C n.m.r. spectroscopy reveals the presence of anisometric species in solution when a 1:1 complex is formed between oxo-18-crown-5 and (S)-PhCHMeNH3+ClO4.",

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AB - Derivatives of 12-crown-4 and 18-crown-6 in which one of the ethereal oxygens is replaced by a CO group have been synthesised and their complexing abilities towards both metal and organic cations have been assessed. Variable temperature 1H decoupled 13C n.m.r. spectroscopy reveals the presence of anisometric species in solution when a 1:1 complex is formed between oxo-18-crown-5 and (S)-PhCHMeNH3+ClO4.

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The syntheses and complexing properties of oxo-12-crown-3 and oxo-18-crown-5

Abstract

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