T. M. Syeda, Muadh R. Al-Shaidi, Ibtihal Basri, M. Merzouk, F. Aldabbagh
{"title":"1-(2,5-Dimethoxy-4-nitrophenyl)piperidine","authors":"T. M. Syeda, Muadh R. Al-Shaidi, Ibtihal Basri, M. Merzouk, F. Aldabbagh","doi":"10.3390/m1744","DOIUrl":null,"url":null,"abstract":"Treatment of the non-purified mixture of dinitro isomers obtained from the nitration of 1,4-dimethoxybenzene with piperidine led to the isolation of novel but minor adduct, 1-(2,5-dimethoxy-4-nitrophenyl)piperidine (2b) in 15% yield. Yields of nucleophilic aromatic substitution adducts are high when using purified 1,4-dimethoxy-2,5-dinitrobenzene (1b) with piperidine and pyrrolidine to give (2b) and 1-(2,5-dimethoxy-4-nitrophenyl)pyrrolidine (3b) in 76% and 82% yield, respectively.","PeriodicalId":18761,"journal":{"name":"Molbank","volume":"13 1","pages":""},"PeriodicalIF":0.6000,"publicationDate":"2023-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Molbank","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3390/m1744","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, ORGANIC","Score":null,"Total":0}
引用次数: 0
Abstract
Treatment of the non-purified mixture of dinitro isomers obtained from the nitration of 1,4-dimethoxybenzene with piperidine led to the isolation of novel but minor adduct, 1-(2,5-dimethoxy-4-nitrophenyl)piperidine (2b) in 15% yield. Yields of nucleophilic aromatic substitution adducts are high when using purified 1,4-dimethoxy-2,5-dinitrobenzene (1b) with piperidine and pyrrolidine to give (2b) and 1-(2,5-dimethoxy-4-nitrophenyl)pyrrolidine (3b) in 76% and 82% yield, respectively.
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