ICCAS OpenIR
Synthesis, crystal structure, and different local conformations of pyridine-imide oligomers
Zhu, Hengheng1,2; He, Weiwei1,3; Zhan, Chuanlang1; Li, Xiao1; Guan, Zisheng2; Guo, Fengqi3; Yao, Jiannian1
2011-11-04
Source PublicationTETRAHEDRON
ISSN0040-4020
Volume67Issue:44Pages:8458-8464
AbstractIn this article, we report a new approach toward synthesis of pyridine-imide oligomers (PIOs). Using this approach, both dimer and trimer were one-pot synthesized from acylation of monomeric monoamide with monomeric dichloride. The yield of trimer was dependent on the alkoxyl terminals: it was 30% for methoyl group, whereas it was 95% for 3-chloro-1-propoxyl terminal. Acylation of dimeric monoamide with monomeric dichloride produced trimer, tetramer, and pentamer in a yield of 34%, 33%, and 28%, respectively. The synthesis was proposed to be mediated through an exchange between pyridine-2-carboxamide and pyridine-2-carbonyl chloride, both forming intramolecular or intermolecular hydrogen-bonds between pyridine-nitrogen and pyridine-2-amide hydrogen atoms. Crystal structure from three trimers with different terminal groups was reported. Analysis on the crystal structures revealed that these three trimers had different local conformations. The different local conformations were originated from the structural tunability of the imide unit in either the coplanarity or bond parameters. (C) 2011 Elsevier Ltd. All rights reserved.
DOI10.1016/j.tet.2011.09.006
Indexed BySCI ; IC ; CCR
Language英语
WOS IDWOS:000295957000004
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71460
Collection中国科学院化学研究所
Corresponding AuthorZhan, Chuanlang
Affiliation1.Chinese Acad Sci, Inst Chem, Lab Photochem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Nanjing Univ Technol, Coll Mat Sci & Engn, Nanjing 210009, Jiangsu Provinc, Peoples R China
3.Zhengzhou Univ, Dept Chem, Zhengzhou 450001, Henan Province, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Hengheng,He, Weiwei,Zhan, Chuanlang,et al. Synthesis, crystal structure, and different local conformations of pyridine-imide oligomers[J]. TETRAHEDRON,2011,67(44):8458-8464.
APA Zhu, Hengheng.,He, Weiwei.,Zhan, Chuanlang.,Li, Xiao.,Guan, Zisheng.,...&Yao, Jiannian.(2011).Synthesis, crystal structure, and different local conformations of pyridine-imide oligomers.TETRAHEDRON,67(44),8458-8464.
MLA Zhu, Hengheng,et al."Synthesis, crystal structure, and different local conformations of pyridine-imide oligomers".TETRAHEDRON 67.44(2011):8458-8464.
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