Synthesis of the new pyrazolo[4,3-c]pyrrolizine skeleton via intramolecular nitrilimine cycloaddition
Articolo
Data di Pubblicazione:
2004
Citazione:
Synthesis of the new pyrazolo[4,3-c]pyrrolizine skeleton via intramolecular nitrilimine cycloaddition / G. Molteni. - In: HETEROCYCLES. - ISSN 0385-5414. - 63:6(2004), pp. 1423-1428.
Abstract:
Starting from the appropriate 1-substituted pyrrol-2-yl-(1) or indol-2-ylcarboxylic acid (6), the hydrazonyl chlorides (3) or (8) have been synthesised respectively. Their base treatment promoted the in situ generation of the corresponding nitrilimines (4) or (9), whose intramolecular 1,3-dipolar cycloaddition gave the title compounds in nearly quantitative yields.
Tipologia IRIS:
01 - Articolo su periodico
Elenco autori:
G. Molteni
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