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ChemInform Abstract: Dicyclohexylethyleneglycol, -diethyleneglycol, -triethyleneglycol, and Related Monosubstituted Cyclohexanes. Conformational Analysis Using Low-Temperature 13C and 1H NMR Spectroscopy.

✍ Scribed by G. W. BUCHANAN; A. MOGHIMI; V. M. REYNOLDS; K. BOURQUE

Book ID: 118232305
Publisher: John Wiley and Sons
Year: 2010
Weight: 27 KB
Volume: 26
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199541038

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Two conformations of the cis-cyclohexano-8-crown-3 molecule were detected at 185 K. From relative 13 C NMR peak area measurements, the conformation with the O-CH 2 -O unit equatorial was found to be favoured by 4.4 š 0.4 kJ mol 1 . In the spectrum of the minor conformer at low temperature, a 9.6 ppm