{"title":"3-羟基-2-萘甲酰胺基苯基硫脲激发态分子内质子转移阴离子荧光传感","authors":"黎朝, 陈瑶函, 江云宝","doi":"10.1360/ZB2009-39-2-144","DOIUrl":null,"url":null,"abstract":"设计合成了受体分子3-羟基-2-萘甲酰胺基苯基硫脲( 1a ), 考察了乙腈溶液中其吸收光谱和荧光光谱对阴离子的响应. 红外光谱和核磁共振实验显示, 1a 酚羟基OH与邻位羰基O之间的分子内氢键强度较弱, 乙腈溶液中仅发射短波长的正常荧光. 阴离子存在时, 其正常荧光猝灭, 同时于长波长处出现激发态分子内质子转移 (ESIPT) 荧光. 基于核磁滴定、荧光光谱和模型化合物对照实验结果提出了 1a 与阴离子的氢键结合模式和荧光传感机理.","PeriodicalId":49128,"journal":{"name":"Science in China. Series B, Chemistry","volume":"24 1","pages":"144-152"},"PeriodicalIF":0.0000,"publicationDate":"2009-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"3-羟基-2-萘甲酰胺基苯基硫脲激发态分子内质子转移阴离子荧光传感\",\"authors\":\"黎朝, 陈瑶函, 江云宝\",\"doi\":\"10.1360/ZB2009-39-2-144\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"设计合成了受体分子3-羟基-2-萘甲酰胺基苯基硫脲( 1a ), 考察了乙腈溶液中其吸收光谱和荧光光谱对阴离子的响应. 红外光谱和核磁共振实验显示, 1a 酚羟基OH与邻位羰基O之间的分子内氢键强度较弱, 乙腈溶液中仅发射短波长的正常荧光. 阴离子存在时, 其正常荧光猝灭, 同时于长波长处出现激发态分子内质子转移 (ESIPT) 荧光. 基于核磁滴定、荧光光谱和模型化合物对照实验结果提出了 1a 与阴离子的氢键结合模式和荧光传感机理.\",\"PeriodicalId\":49128,\"journal\":{\"name\":\"Science in China. Series B, Chemistry\",\"volume\":\"24 1\",\"pages\":\"144-152\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-02-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Science in China. Series B, Chemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1360/ZB2009-39-2-144\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Science in China. Series B, Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1360/ZB2009-39-2-144","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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