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New synthesis of 3-methoxy-4-substituted pyrazole derivatives

Authors
Journal
Tetrahedron Letters
0040-4039
Publisher
Elsevier
Publication Date
Volume
47
Issue
5
Identifiers
DOI: 10.1016/j.tetlet.2005.11.072
Keywords
  • Pyrazole
  • Benzylpyrazole
  • Friedel–Crafts

Abstract

Abstract A simple and efficient protocol for the synthesis of 3-methoxy-4-arylmethylene- and 3-methoxy-4-heteroarylmethylenepyrazoles has been developed. These derivatives are obtained in one step from alcohols 3 or 8a– b .

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