Frampton, C.S., MacNicol, D.D. and Wilson, D.R. (2011) (R)-4-(4-Aminophenyl)-2,2,4-trimethylchroman and (S)-4-(4-aminophenyl)-2,2,4-trimethylthiachroman. Acta Crystallographica. Section C: Crystal Structure Communications, 67(5), o188-o191. (doi: 10.1107/S0108270111012157)
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Publisher's URL: http://dx.doi.org/10.1107/S0108270111012157
Abstract
The title compounds, C<sub>18</sub>H<sub>21</sub>NO and C<sub>18</sub>H<sub>21</sub>NS, in their enantiomerically pure forms are isostructural with the enantiomerically pure 4-(4-hydroxyphenyl)-2,2,4-trimethylchroman and 4-(2,4-dihydroxyphenyl)-2,2,4-trimethylchroman analogues and form extended linear chains via N-H···O or N-H···S hydrogen bonding along the [100] direction. The absolute configuration for both compounds was determined by anomalous dispersion methods with reference to both the Flack parameter and, for the light-atom compound, Bayesian statistics on Bijvoet differences.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | MacNicol, Dr David |
Authors: | Frampton, C.S., MacNicol, D.D., and Wilson, D.R. |
Subjects: | Q Science > QD Chemistry |
College/School: | College of Science and Engineering > School of Chemistry |
Journal Name: | Acta Crystallographica. Section C: Crystal Structure Communications |
Publisher: | Wiley-Blackwell Publishing, Inc. |
ISSN: | 0108-2701 |
ISSN (Online): | 1600-5759 |
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