Indazolinones by Ugi-4CR with N-deprotection and Aromatic Nucleophilic Substitution

6 Indazolinones by Ugi-4CR with N-deprotection and Aromatic Nucleophilic Substitution 

An interesting route to indazolinones was reported by Tempest and co-workers [58]. The reaction between 2-fluoro-5-nitrobenzoic acid, aldehydes, isocyanides, 

7 Oxazole Derivatives and Imidazoles by Passerini-3CR or Ugi-4CR and Davidson Cydization 

R1 = Ph, 2-CIC6H4, 2-HOC6H4, PhSCH2, 4-MeC6H4SCH2, 4-CIC6H4SCH2, Me, ArylCH2 

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