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New Strategies for N-Heterocyclic Carbenes Catalyzed Annulations, Softcover reprint of the original 1st ed. 2017 Springer Theses Series

Langue : Anglais

Auteur :

Couverture de l’ouvrage New Strategies for N-Heterocyclic Carbenes Catalyzed Annulations

This thesis focuses on NHC-catalyzed annulation of nitroalkenes, enals and ?,?-unsaturated carboxylic acids. (1) NHCs were found to be efficient catalysts for the [4+2] annulation of ?-substituted nitroalkenes. The scope of Rauhut?Currier reaction was successfully extended to the most challenging ?-substituted alkenes by this method; (2) Enals were successfully used for [4+2] annulations with azodicarboxylates catalyzed by NHC via ?-addition. Highly enantiopure tetrahydropyridazinones and ?-amino acid derivatives could be easily prepared by subsequent transformations of the resulting dihydropyridazinones. (4) The readily available ?,?-unsaturated carboxylic acids were first successfully employed to generate the ?,?-unsaturated acyl azolium intermediates by using NHC for the enantioselective [3+2] and [3+3] annulations.

Introduction.- NHC-catalyzed Annulations of Nitroalkenes.- NHC-catalyzed Enantioselective Annulations of Enals.- NHC-catalyzed Enantioselective Annulations of α,β-unsaturated Carboxylic Acids.- Experimental Part.- Research Summary.

Nominated by Chinese Academy of Sciences as an outstanding PhD thesis

Provides new methodologies of N-heterocyclic carbene catalysis

Describes in detail the annulation reactions of nitroalkenes, enals and α,β-unsaturated carboxylic acids

Date de parution :

Ouvrage de 123 p.

15.5x23.5 cm

Disponible chez l'éditeur (délai d'approvisionnement : 15 jours).

Prix indicatif 116,04 €

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Date de parution :

Ouvrage de 123 p.

15.5x23.5 cm

Disponible chez l'éditeur (délai d'approvisionnement : 15 jours).

Prix indicatif 105,49 €

Ajouter au panier
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