{"title":"苯并冠联吡啶共轭十八烷基链分子内电荷转移吸收离子检测","authors":"Kuwabara Tetsuo, Satake Ryota, Guo Haocheng, Katsumata Masayo, Takahashi Masaki, Suzuki Yasutada, Ohtsuki Takashi, Sato Tetsuya, Kurokawa Hideki","doi":"10.5182/JAIE.27.27","DOIUrl":null,"url":null,"abstract":"A novel chemosensor based on benzocrown-bipyridine conjugate appending an octadecyl group, 1, was prepared to investigate its ion sensing ability in acetonitrile. The addition of Li as the guest caused change in color of 1 from yellow to colorless. This is owing to blue shift in intramolecular charge transfer (CT) absorption at around 400 nm, which is associated with the a 1:1 host-guest complex formation. The guest-induced color change of 1 was used for alkali and alkaline metal ion sensing. It was found that 1 detected Ca with highest sensitivity.","PeriodicalId":16331,"journal":{"name":"Journal of ion exchange","volume":"1 1","pages":"27-32"},"PeriodicalIF":0.0000,"publicationDate":"2016-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Ion Detection by Intramolecular Charge-transfer Absorption of Benzocrown-bipyridinium Conjugate Appending Octadecyl Chain\",\"authors\":\"Kuwabara Tetsuo, Satake Ryota, Guo Haocheng, Katsumata Masayo, Takahashi Masaki, Suzuki Yasutada, Ohtsuki Takashi, Sato Tetsuya, Kurokawa Hideki\",\"doi\":\"10.5182/JAIE.27.27\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A novel chemosensor based on benzocrown-bipyridine conjugate appending an octadecyl group, 1, was prepared to investigate its ion sensing ability in acetonitrile. The addition of Li as the guest caused change in color of 1 from yellow to colorless. This is owing to blue shift in intramolecular charge transfer (CT) absorption at around 400 nm, which is associated with the a 1:1 host-guest complex formation. The guest-induced color change of 1 was used for alkali and alkaline metal ion sensing. It was found that 1 detected Ca with highest sensitivity.\",\"PeriodicalId\":16331,\"journal\":{\"name\":\"Journal of ion exchange\",\"volume\":\"1 1\",\"pages\":\"27-32\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-06-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of ion exchange\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.5182/JAIE.27.27\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of ion exchange","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5182/JAIE.27.27","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Ion Detection by Intramolecular Charge-transfer Absorption of Benzocrown-bipyridinium Conjugate Appending Octadecyl Chain
A novel chemosensor based on benzocrown-bipyridine conjugate appending an octadecyl group, 1, was prepared to investigate its ion sensing ability in acetonitrile. The addition of Li as the guest caused change in color of 1 from yellow to colorless. This is owing to blue shift in intramolecular charge transfer (CT) absorption at around 400 nm, which is associated with the a 1:1 host-guest complex formation. The guest-induced color change of 1 was used for alkali and alkaline metal ion sensing. It was found that 1 detected Ca with highest sensitivity.
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