Abdullah Al-Hemyari, Muna S. Bufaroosha, T. Thiemann
{"title":"Synthesis of 4′-Alkoxy-4-(ω-cinnamoylalkoxy)azobenzenes and Their Photoswitchable Behavior","authors":"Abdullah Al-Hemyari, Muna S. Bufaroosha, T. Thiemann","doi":"10.3390/ecsoc-25-11685","DOIUrl":null,"url":null,"abstract":": In search of new thermotropic, photoswitchable materials, a number of 4′ -alkoxy-4- (ω -cinnamoylalkoxy)azobenzenes were prepared. The synthetic procedure included O -alkylation of 4-nitrophenol, followed by reduction of the nitro group (H 2 , Pd/C), diazotization of the aniline and subsequent reaction with ω -hydroxyalkoxybenzenes, followed by a modified Appel-type esterification (BrCCl 3 , PPh 3 ). The photochemical behavior of the substances was investigated.","PeriodicalId":11441,"journal":{"name":"ECSOC-25","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ECSOC-25","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3390/ecsoc-25-11685","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
: In search of new thermotropic, photoswitchable materials, a number of 4′ -alkoxy-4- (ω -cinnamoylalkoxy)azobenzenes were prepared. The synthetic procedure included O -alkylation of 4-nitrophenol, followed by reduction of the nitro group (H 2 , Pd/C), diazotization of the aniline and subsequent reaction with ω -hydroxyalkoxybenzenes, followed by a modified Appel-type esterification (BrCCl 3 , PPh 3 ). The photochemical behavior of the substances was investigated.
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