UM
Solvent-induced helix superstructure in achiral dumbbell-shaped hydrazine derivatives
Ran X.1; Zhang P.1; Qu S.2; Wang H.1; Bai B.1; Liu H.1; Zhao C.1; Li M.1
2011-04-05
Source PublicationLangmuir
ISSN07437463 15205827
Volume27Issue:7Pages:3945-3951
AbstractWe studied hydrogen-bonding assemblies in a series of dumbbell-shaped hydrazine derivatives, namely oxalyl N′,N′-bis(3,4-dialkoxybenzoyl)- hydrazide (BFH-n, n = 4, 6, 8, 10) and oxalyl N′,N′-dibenzoyl- hydrazide (FH-0). It has been demonstrated that NH-1 protons of BFH-n precipitated from tetrahydrofuran (THF) or dimethylformamide (DMF) were involved in intramolecular H-bonding to form 6-membered rings. Meanwhile, NH-2 protons of BFH-n precipitated from THF formed intermolecular hydrogen bonds with C=O groups of neighboring molecules, while NH-2 protons of BFH-n precipitated from DMF formed intermolecular hydrogen bonds with C=O group of neighboring DMF molecules. C=O, -CH , and -CH groups of DMF molecules participated in multiple intermolecular hydrogen bonds with the -N-H and -C=O groups of FH-0 molecules in single-crystals formed in DMF, leading to a double helix morphology with a pitch of 24.2 Å along the c direction. Both left- and right-handed helical micrometer-length ribbons with nonuniform helical pitches were observed in an achiral BFH-10 xerogel precipitated from DMF. © 2011 American Chemical Society.
DOI10.1021/la104386s
URLView the original
Language英語
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Cited Times [WOS]:11   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Jilin University
2.Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Ran X.,Zhang P.,Qu S.,et al. Solvent-induced helix superstructure in achiral dumbbell-shaped hydrazine derivatives[J]. Langmuir,2011,27(7):3945-3951.
APA Ran X..,Zhang P..,Qu S..,Wang H..,Bai B..,...&Li M..(2011).Solvent-induced helix superstructure in achiral dumbbell-shaped hydrazine derivatives.Langmuir,27(7),3945-3951.
MLA Ran X.,et al."Solvent-induced helix superstructure in achiral dumbbell-shaped hydrazine derivatives".Langmuir 27.7(2011):3945-3951.
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