Title of article
Crystal and solution structures of 25,27-diethoxycarbonylmethoxy-26,28-dimethoxy-t-butylcalix[4]arene
Author/Authors
Duggan، نويسنده , , Peter J and Sheahan، نويسنده , , Sarah L and Szydzik، نويسنده , , Melanie L، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2000
Pages
4
From page
3165
To page
3168
Abstract
The crystal and solution structures of diethoxycarbonylmethoxy-26,28-dimethoxy-t-butylcalix[4]arene (2) have been determined. This diester (2) adopts the less common partial cone conformation in the solid state, but in solution, 2 is fluxional at room temperature. Variable temperature 1H NMR spectroscopy shows that at 250 K in CDCl3, 2 exists in a cone and a partial cone in a ratio of 43:57.
Keywords
NMR , X-ray crystal structure , Calixarenes , Conformation
Journal title
Tetrahedron Letters
Serial Year
2000
Journal title
Tetrahedron Letters
Record number
1637261
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