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The thesis explores the effectiveness of NHC-catalyzed annulation reactions involving nitroalkenes, enals, and beta-unsaturated carboxylic acids. It demonstrates that NHCs serve as efficient catalysts for the [4+2] annulation of beta-substituted nitroalkenes, extending the Rauhut-Currier reaction's applicability. Additionally, enals facilitate [4+2] annulations with azodicarboxylates through Gamma-addition, leading to valuable tetrahydropyridazinones and Gamma-amino acid derivatives. Furthermore, beta-unsaturated carboxylic acids are utilized to create acyl azolium intermediates for enantioselective [3+2] and [3+3] annulations.
Buchkauf
New Strategies for N-Heterocyclic Carbenes Catalyzed Annulations, Xiangyu Chen
- Sprache
- Erscheinungsdatum
- 2016
- product-detail.submit-box.info.binding
- (Hardcover)
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- Titel
- New Strategies for N-Heterocyclic Carbenes Catalyzed Annulations
- Sprache
- Englisch
- Autor*innen
- Xiangyu Chen
- Erscheinungsdatum
- 2016
- Einband
- Hardcover
- Seitenzahl
- 123
- ISBN13
- 9789811028984
- Kategorie
- Chemie
- Beschreibung
- The thesis explores the effectiveness of NHC-catalyzed annulation reactions involving nitroalkenes, enals, and beta-unsaturated carboxylic acids. It demonstrates that NHCs serve as efficient catalysts for the [4+2] annulation of beta-substituted nitroalkenes, extending the Rauhut-Currier reaction's applicability. Additionally, enals facilitate [4+2] annulations with azodicarboxylates through Gamma-addition, leading to valuable tetrahydropyridazinones and Gamma-amino acid derivatives. Furthermore, beta-unsaturated carboxylic acids are utilized to create acyl azolium intermediates for enantioselective [3+2] and [3+3] annulations.