High-purity discrete PEG-oligomer crystals allow structural insight.
Identifieur interne : 000663 ( Ncbi/Curation ); précédent : 000662; suivant : 000664High-purity discrete PEG-oligomer crystals allow structural insight.
Auteurs : Alister C. French [Royaume-Uni] ; Amber L. Thompson ; Benjamin G. DavisSource :
- Angewandte Chemie (International ed. in English) [ 1521-3773 ] ; 2009.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , chemical synthesis : Ethylene Glycol, Polyethylene Glycols.
- chemical , chemistry : Ethylene Glycol, Polyethylene Glycols.
- Crystallization, Mass Spectrometry, Molecular Structure, X-Ray Diffraction.
Abstract
To great (monodisperse) lengths: An improved synthesis of purer ethylene glycol (EG) oligomers allows access to 16- and 32-mers pure enough for multiple incorporation, and also to the longest (48-mer) discrete EG oligomer yet reported. The high purity enables the first crystallizations and hence the first glimpses of secondary 3(10)-helical PEG structures.
DOI: 10.1002/anie.200804623
PubMed: 19142918
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<term>Molecular Structure</term>
<term>Polyethylene Glycols (chemical synthesis)</term>
<term>Polyethylene Glycols (chemistry)</term>
<term>X-Ray Diffraction</term>
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<term>Polyéthylène glycols ()</term>
<term>Polyéthylène glycols (synthèse chimique)</term>
<term>Spectrométrie de masse</term>
<term>Structure moléculaire</term>
<term>Éthylène glycol ()</term>
<term>Éthylène glycol (synthèse chimique)</term>
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<term>Polyethylene Glycols</term>
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<term>Polyethylene Glycols</term>
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<term>X-Ray Diffraction</term>
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<front><div type="abstract" xml:lang="en">To great (monodisperse) lengths: An improved synthesis of purer ethylene glycol (EG) oligomers allows access to 16- and 32-mers pure enough for multiple incorporation, and also to the longest (48-mer) discrete EG oligomer yet reported. The high purity enables the first crystallizations and hence the first glimpses of secondary 3(10)-helical PEG structures.</div>
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