S. Mataka*, 又賀 駿太郎, W. Lin, 李 偉華, M. Tashiro, 田代 昌士, Kazufumi Takahashi, 高橋 和文, T. Hatta, 八田 泰三, A. Torii, 鳥井 昭美, シュンタロウ マタカ, リ イカ, マサシ タシロ, カズフミ タカハシ, タイゾウ ハッタ, アケミ トリイ
{"title":"Absorption and Fluorescence Spectra of 4, 7-Di (alkoxy-substituted) pheny1-1, 2, 5-thiadiazolo (3, 4-c) pyridine","authors":"S. Mataka*, 又賀 駿太郎, W. Lin, 李 偉華, M. Tashiro, 田代 昌士, Kazufumi Takahashi, 高橋 和文, T. Hatta, 八田 泰三, A. Torii, 鳥井 昭美, シュンタロウ マタカ, リ イカ, マサシ タシロ, カズフミ タカハシ, タイゾウ ハッタ, アケミ トリイ","doi":"10.15017/17192","DOIUrl":null,"url":null,"abstract":"A series of 4, 7-Di (alkoxy-substituted) phenyl-1,2,5-thiadiazolo[3, 4-c]pyridines were prepared and their absorption and fluorescence spectre were obatined. These compounds showed a large stokes shift of 115-135 nm arid 6-aryl derivatives and 6-alkoxycarbonyl opes are strongly fluorescent in a solid state. and 1, 2, 5-oxadiazolo[3, 4-c]pyridine are strongly fluorescent in a solid state and, as a dyestuff, the for-mer is superior to the latter in the durablity.`) As a part of our studies on fluorescent heterocycles, we now report on the fluorescence of alkoxy-substituted 4, 6, 7-tri- and 4, 7-diaryl-1, 2, 5-thiadiazolo[3, 4-c]pyridines.","PeriodicalId":11722,"journal":{"name":"Engineering sciences reports, Kyushu University","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1990-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Engineering sciences reports, Kyushu University","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.15017/17192","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A series of 4, 7-Di (alkoxy-substituted) phenyl-1,2,5-thiadiazolo[3, 4-c]pyridines were prepared and their absorption and fluorescence spectre were obatined. These compounds showed a large stokes shift of 115-135 nm arid 6-aryl derivatives and 6-alkoxycarbonyl opes are strongly fluorescent in a solid state. and 1, 2, 5-oxadiazolo[3, 4-c]pyridine are strongly fluorescent in a solid state and, as a dyestuff, the for-mer is superior to the latter in the durablity.`) As a part of our studies on fluorescent heterocycles, we now report on the fluorescence of alkoxy-substituted 4, 6, 7-tri- and 4, 7-diaryl-1, 2, 5-thiadiazolo[3, 4-c]pyridines.
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