{"title":"流动电池中芳香族醛的电合成。第一部分:苯甲醛的还原。","authors":"T Guena, D Pletcher","doi":"10.3891/acta.chem.scand.52-0023","DOIUrl":null,"url":null,"abstract":"The reduction of benzaldehyde in acidic water-methanol mixtures has been re-investigated in a membrane flow cell with a lead cathode with the objective of defining conditions where le- reduction occurs and the C6H5CH.OH radical intermediate is formed in high selectivity. It is shown that it is the cathode potential which controls the ratio of le-/2e- product (i.e. hydrobenzoin to benzyl alcohol) and a high rate generation of the radicals is also favoured by an efficient mass transport regime.","PeriodicalId":76966,"journal":{"name":"Acta chemica Scandinavica (Copenhagen, Denmark : 1989)","volume":"52 1","pages":"23-31"},"PeriodicalIF":0.0000,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"14","resultStr":"{\"title\":\"Electrosyntheses from aromatic aldehydes in a flow cell. Part I. The reduction of benzaldehyde.\",\"authors\":\"T Guena, D Pletcher\",\"doi\":\"10.3891/acta.chem.scand.52-0023\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The reduction of benzaldehyde in acidic water-methanol mixtures has been re-investigated in a membrane flow cell with a lead cathode with the objective of defining conditions where le- reduction occurs and the C6H5CH.OH radical intermediate is formed in high selectivity. It is shown that it is the cathode potential which controls the ratio of le-/2e- product (i.e. hydrobenzoin to benzyl alcohol) and a high rate generation of the radicals is also favoured by an efficient mass transport regime.\",\"PeriodicalId\":76966,\"journal\":{\"name\":\"Acta chemica Scandinavica (Copenhagen, Denmark : 1989)\",\"volume\":\"52 1\",\"pages\":\"23-31\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1998-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"14\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Acta chemica Scandinavica (Copenhagen, Denmark : 1989)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3891/acta.chem.scand.52-0023\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta chemica Scandinavica (Copenhagen, Denmark : 1989)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3891/acta.chem.scand.52-0023","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Electrosyntheses from aromatic aldehydes in a flow cell. Part I. The reduction of benzaldehyde.
The reduction of benzaldehyde in acidic water-methanol mixtures has been re-investigated in a membrane flow cell with a lead cathode with the objective of defining conditions where le- reduction occurs and the C6H5CH.OH radical intermediate is formed in high selectivity. It is shown that it is the cathode potential which controls the ratio of le-/2e- product (i.e. hydrobenzoin to benzyl alcohol) and a high rate generation of the radicals is also favoured by an efficient mass transport regime.
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