MersV1, Main, Exploration, bibRecord, 001798

Evidence of nanotubular self-organization in solution and solid states of heterochiral cyclo 1:1 [α/α-N(α)-Bn-hydrazino]mers series.

Identifieur interne : 001798 ( Main/Exploration ); précédent : 001797; suivant : 001799

Evidence of nanotubular self-organization in solution and solid states of heterochiral cyclo 1:1 [α/α-N(α)-Bn-hydrazino]mers series.

Auteurs : Ralph-Olivier Moussodia [France] ; Samir Acherar [France] ; Eugénie Romero [France] ; Claude Didierjean [France] ; Brigitte Jamart-Grégoire [France]

Source :

The Journal of organic chemistry [ 1520-6904 ] ; 2015.

RBID : pubmed:25734802

Descripteurs français

KwdFr :
- Alanine (), Alanine (analogues et dérivés), Alanine (synthèse chimique), Cristallographie aux rayons X, Cyclisation, Modèles moléculaires, Nanotubes (), Solutions.
MESH :
- analogues et dérivés : Alanine.
- synthèse chimique : Alanine.
- Alanine, Cristallographie aux rayons X, Cyclisation, Modèles moléculaires, Nanotubes, Solutions.

English descriptors

KwdEn :
- Alanine (analogs & derivatives), Alanine (chemical synthesis), Alanine (chemistry), Crystallography, X-Ray, Cyclization, Models, Molecular, Nanotubes (chemistry), Solutions.
MESH :
- chemical , analogs & derivatives : Alanine.
- chemical , chemical synthesis : Alanine.
- chemical , chemistry : Alanine.
- chemistry : Nanotubes.
- Crystallography, X-Ray, Cyclization, Models, Molecular, Solutions.

Abstract

The cyclization of heterochiral 1:1 [α/α-N(α)-Bn-hydrazino]mers leads to the corresponding cyclotetramer and cyclohexamer 3 and 4. X-ray crystallographic analysis of 3 unveils its ability to self-assemble into nanotubular structures. Further experiments conducted in the solid state through SEM analyses demonstrate the capability of 3 and 4 to form aerogels consisting of a network of nontwisted fibers, thus confirming the presence of self-organization within this series of mixed-hydrazinopeptides. Subsequent FTIR and NMR studies demonstrate the presence of an equilibrium between monomeric (intramolecular H-bonds) and nanotubular (intermolecular H-bonds) forms in solution. This equilibrium can be modified by varying the solvent.

DOI: 10.1021/jo502684g
PubMed: 25734802

Affiliations:

Le document en format XML

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<term>Crystallography, X-Ray</term>
<term>Cyclization</term>
<term>Models, Molecular</term>
<term>Nanotubes (chemistry)</term>
<term>Solutions</term>
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<term>Modèles moléculaires</term>
<term>Nanotubes ()</term>
<term>Solutions</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Alanine</term>
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<front><div type="abstract" xml:lang="en">The cyclization of heterochiral 1:1 [α/α-N(α)-Bn-hydrazino]mers leads to the corresponding cyclotetramer and cyclohexamer 3 and 4. X-ray crystallographic analysis of 3 unveils its ability to self-assemble into nanotubular structures. Further experiments conducted in the solid state through SEM analyses demonstrate the capability of 3 and 4 to form aerogels consisting of a network of nontwisted fibers, thus confirming the presence of self-organization within this series of mixed-hydrazinopeptides. Subsequent FTIR and NMR studies demonstrate the presence of an equilibrium between monomeric (intramolecular H-bonds) and nanotubular (intermolecular H-bonds) forms in solution. This equilibrium can be modified by varying the solvent. </div>
</front>
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Serveur d'exploration MERS

Evidence of nanotubular self-organization in solution and solid states of heterochiral cyclo 1:1 [α/α-N(α)-Bn-hydrazino]mers series.

Evidence of nanotubular self-organization in solution and solid states of heterochiral cyclo 1:1 [α/α-N(α)-Bn-hydrazino]mers series.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

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