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- Bah, JuhoKTH,Organisk kemi (author)
Carbocations as Lewis Acid Catalysts : Reactivity and Scope
- Article/chapterEnglish2015
Publisher, publication year, extent ...
- 2014-11-25
- Wiley,2015
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-144522
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-144522URI
- https://doi.org/10.1002/adsc.201400609DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- Updated from manuscript to article.QC 20150306
- One class of potential Lewis acids that has received negligible attention as a catalyst is the carbocation. Here we show the potential of triarylmethylium ions as highly powerful Lewis acid catalysts for organic reactions. The Lewis acidity of the triarylmethylium ion can be easily tuned by variation of the electronic properties of the aromatic rings and the catalytic activity of the carbocation is shown to correlate directly to the level of stabilization of the empty p(C)-orbital at the cationic carbon. The versatility of triarylmethylium ions as efficient Lewis acid catalysts for organic reactions is demonstrated in Diels-Alder, aza-Diels-Alder, conjugate addition, halogenation, epoxide rearrangement and intramolecular hetro-ene reactions.
Subject headings and genre
- NATURVETENSKAP Kemi Organisk kemi hsv//swe
- NATURAL SCIENCES Chemical Sciences Organic Chemistry hsv//eng
- carbocations
- catalysis
- Lewis acids
- organocatalysis
- trityl group
Added entries (persons, corporate bodies, meetings, titles ...)
- Naidu, Veluru RameshKTH,Organisk kemi(Swepub:kth)u1r3zhpl (author)
- Teske, JohannesKTH,Organisk kemi(Swepub:kth)u1ujsa0b (author)
- Franzén, JohanKTH,Organisk kemi(Swepub:kth)u1991vf3 (author)
- KTHOrganisk kemi (creator_code:org_t)
Related titles
- In:Advanced Synthesis and Catalysis: Wiley357:1, s. 148-1581615-41501615-4169
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