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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1002/mrc.2751
|2 doi
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|a eng
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|a Duddeck, Helmut
|e verfasserin
|4 aut
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|a Adamantanes as spherical nanosondes in adducts with a chiral dirhodium complex-discriminating enantiomers and probing spatial proximities
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 07.11.2011
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2011 John Wiley & Sons, Ltd.
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|a Three different kinds of substituted chiral adamantane molecules-adamantanones, dioxolanoadamantanes and dithiolano-adamantanes-were studied in the dirhodium experiment (NMR measurement with 1:1 molar mixtures with Rh((II))(2)[(R)-(+)-MTPA](4) in CDCl(3)). Their different behavior in adduct formation is described, and the possibility of determining enantiomeric purities and absolute configurations is explored. Detailed inspection of one- and two-dimensional NMR experiments allowed for an interpretation of steric and electronic intra-adduct interaction showing that the phenyl groups of Rh* tend to enwrap the bound adamantane ligand so that through-space effects over a range of 6-7 Å away from the binding rhodium atom can be observed. Even slight differences in the relative orientation of phenyl groups can be monitored when comparing diastereomeric adducts via NMR signal dispersion
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Organometallic Compounds
|2 NLM
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|a Rhodium
|2 NLM
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|a DMK383DSAC
|2 NLM
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|a Adamantane
|2 NLM
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|a PJY633525U
|2 NLM
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|a Tóth, Gábor
|e verfasserin
|4 aut
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|a Simon, Andras
|e verfasserin
|4 aut
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|a Gómez, Edison Díaz
|e verfasserin
|4 aut
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|a Mattiza, Jens T
|e verfasserin
|4 aut
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|i Enthalten in
|t Magnetic resonance in chemistry : MRC
|d 1985
|g 49(2011), 6 vom: 01. Juni, Seite 328-42
|w (DE-627)NLM098179667
|x 1097-458X
|7 nnns
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|g volume:49
|g year:2011
|g number:6
|g day:01
|g month:06
|g pages:328-42
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|u http://dx.doi.org/10.1002/mrc.2751
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