Abstract
Diastereoselective reactions between 4-formylpyrazoles, N-substituted maleimides and glycine derivates led to new series of pyrazolyldipyrrolo [3,4-a:3',4'-f]pyrrolizines and pyrazolylpyrrolo[3,4-c]pyrroles in good yields. The reactions proceeded by a domino process through azomethine ylides formed in situ via a 1,3-dipolar cycloaddition reaction.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Azo Compounds / chemistry
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Catalysis
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Cycloaddition Reaction
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Glycine / analogs & derivatives
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Maleimides / chemistry
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Molecular Structure
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Pyrroles / chemical synthesis*
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Stereoisomerism
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Thiosemicarbazones / chemistry
Substances
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Azo Compounds
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Maleimides
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Pyrroles
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Thiosemicarbazones
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azomethine
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Glycine