Synthesis and Structure of Supramolecular Compound with Ethyl 2-（4-Aminophenoxy）acetate Based on 18-Crown-6

The title ammonium compound ethyl 2-（4-aminophenoxy）acetate （C10 H13NO3, I） and its crown ether inclusion complex {[（CIoHI4NO3）·（18-crown-6）]·[PF6] , II} （18-crown-6 = 1,4,7,10,13,16-hexaoxacyclo-octadecane） were synthesized. The ammonium compound I was determined by 11-t NMR, IR and ESI-MS techiniq...

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Published in中国化学：英文版 Vol. 30; no. 9; pp. 1957 - 1961
Main Author 王文祥 孙素文 熊仁根
Format Journal Article
LanguageEnglish
Published 2012
Subjects
乙基
乙酸乙酯
合成
氢键相互作用
氨基苯氧基
环糊精包合物
结构
超分子化合物
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Summary:The title ammonium compound ethyl 2-（4-aminophenoxy）acetate （C10 H13NO3, I） and its crown ether inclusion complex {[（CIoHI4NO3）·（18-crown-6）]·[PF6] , II} （18-crown-6 = 1,4,7,10,13,16-hexaoxacyclo-octadecane） were synthesized. The ammonium compound I was determined by 11-t NMR, IR and ESI-MS techiniques. X-ray crystal- lography reveals that compound I crystallizes in the triclinic system with space group of P-l, all the atoms in ｜ are almost coplanar except H, and N--H…O hydrogen bonds lead to the formation of one dimensional chain. The ro- tator-stator-like compound 11 was crystallizes in the centrosymmetric monoclinic system with space group of P21/c. The supramolecular was formed via N--H…O hydrogen-bond interactions. Temperature-dependent dielectric constants of compound II were measured.
Bibliography:The title ammonium compound ethyl 2-（4-aminophenoxy）acetate （C10 H13NO3, I） and its crown ether inclusion complex {[（CIoHI4NO3）·（18-crown-6）]·[PF6] , II} （18-crown-6 = 1,4,7,10,13,16-hexaoxacyclo-octadecane） were synthesized. The ammonium compound I was determined by 11-t NMR, IR and ESI-MS techiniques. X-ray crystal- lography reveals that compound I crystallizes in the triclinic system with space group of P-l, all the atoms in ｜ are almost coplanar except H, and N--H…O hydrogen bonds lead to the formation of one dimensional chain. The ro- tator-stator-like compound 11 was crystallizes in the centrosymmetric monoclinic system with space group of P21/c. The supramolecular was formed via N--H…O hydrogen-bond interactions. Temperature-dependent dielectric constants of compound II were measured.
solid-phase synthesis, crystal structure, crown ether, phase transition
Wang, Wenxiang Sun, Suwen Xiong, Rengen （Ordered Matter Science Research Center, Southeast University, Nanjing, Jiangsu 211189, China）
31-1547/O6
ISSN:1001-604X
1614-7065