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A concise strategy for the synthesis of substituted 4-acylpyrazole derivatives from N-propargylic sulfonylhydrazones and diaryliodonium salts has been developed. The pyrazole derivatives are formed through a five-step cascade sequence that… Click to show full abstract
A concise strategy for the synthesis of substituted 4-acylpyrazole derivatives from N-propargylic sulfonylhydrazones and diaryliodonium salts has been developed. The pyrazole derivatives are formed through a five-step cascade sequence that includes intramolecular cyclization, hydroxylation, elimination, copper-catalyzed aerobic oxidation, and intramolecular rearrangement.
Keywords:
diaryliodonium salts;
synthesis substituted;
sulfonylhydrazones diaryliodonium;
substituted acylpyrazole;
propargylic sulfonylhydrazones;
acylpyrazole derivatives
Journal Title: Synlett
Year Published: 2018
Link to full text (if available)
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Journal Title: Synlett
Year Published: 2018
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!