Stereochemical dynamics of crown ethers: Ring inversion in isomeric dicyclohexano-18-crown-6 systems as studied by 13C magnetic resonance at low temperature

Buchanan, G.W.
Bourque, K.
Bovenkamp, J.W.
Rodrigue, A.
Bannard, R.A.B.

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Publication date

January 1984

DOI

10.1016/0040-4039(84)80041-6

Publisher

Elsevier BV

ISSN

0040-4039

Citation count (estimate)

Abstract

From 13C NMR coalescence temperature measurements, free energies of activation for degenerate ring reversal in two configurationally isomeric dicyclohexano-18-crown-6 ethers have been determined to be ca. 10.2 kcal/mole, with higher barriers for the 1:1 complexes with potassium phenoxide

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Stereochemical dynamics of crown ethers: Ring inversion in isomeric dicyclohexano-18-crown-6 systems as studied by 13C magnetic resonance at low temperature

Abstract

Extracted data

Stereochemical dynamics of crown ethers: Ring inversion in isomeric dicyclohexano-18-crown-6 systems as studied by 13C magnetic resonance at low temperature

Abstract

Extracted data

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