{"title":"Organic reactions catalyzed by the Brønsted acid B(C6F5)3·H2O","authors":"Tianwei Liu","doi":"10.1039/d4qo02395a","DOIUrl":null,"url":null,"abstract":"<div><div>In recent years, B(C<sub>6</sub>F<sub>5</sub>)<sub>3</sub> has demonstrated its formidable capability as a Lewis acid in catalyzing reactions as an alternative to metal catalysts. Recent research has highlighted that its hydrated form, B(C<sub>6</sub>F<sub>5</sub>)<sub>3</sub>·H<sub>2</sub>O, is gradually emerging as a strong Brønsted acid in catalysis and exhibits superior properties compared to other Brønsted acids in some reactions. This article summarizes and categorizes several types of reactions catalyzed by B(C<sub>6</sub>F<sub>5</sub>)<sub>3</sub>·H<sub>2</sub>O and their mechanisms, including addition reactions, substitution reactions, ring-expansion reactions, and ring-opening reactions. Furthermore, B(C<sub>6</sub>F<sub>5</sub>)<sub>3</sub>·H<sub>2</sub>O can serve both to enhance photocatalysts and as a component of photocatalysts. Finally, the catalytic prospects of B(C<sub>6</sub>F<sub>5</sub>)<sub>3</sub>·H<sub>2</sub>O as a strong Brønsted acid have been delineated.</div></div>","PeriodicalId":94379,"journal":{"name":"Organic chemistry frontiers : an international journal of organic chemistry","volume":"12 7","pages":"Pages 2481-2498"},"PeriodicalIF":0.0000,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Organic chemistry frontiers : an international journal of organic chemistry","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/org/science/article/pii/S2052412925000907","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/2/1 0:00:00","PubModel":"Epub","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In recent years, B(C6F5)3 has demonstrated its formidable capability as a Lewis acid in catalyzing reactions as an alternative to metal catalysts. Recent research has highlighted that its hydrated form, B(C6F5)3·H2O, is gradually emerging as a strong Brønsted acid in catalysis and exhibits superior properties compared to other Brønsted acids in some reactions. This article summarizes and categorizes several types of reactions catalyzed by B(C6F5)3·H2O and their mechanisms, including addition reactions, substitution reactions, ring-expansion reactions, and ring-opening reactions. Furthermore, B(C6F5)3·H2O can serve both to enhance photocatalysts and as a component of photocatalysts. Finally, the catalytic prospects of B(C6F5)3·H2O as a strong Brønsted acid have been delineated.
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