A simple method for the preparation and selective functionalization of 4,5-diaminopyrazoles

A simple procedure for the synthesis and further functionalization of 4,5-diaminopyrazoles using mild conditions is reported herein. The desired products were obtained in good yield, and the structures have been confirmed by X-ray crystallography. A simple procedure for the synthesis and further fun...

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Bibliographic Details
Published in:Tetrahedron letters 2003-03, Vol.44 (14), p.3009-3011
Main Authors: Blass, Benjamin E, Srivastava, Anil, Coburn, Keith R, Faulkner, Amy L, Seibel, William L
Format: Article
Language:English
Subjects:
4,5-diaminopyrazoles
nitrosation
urea derivatives
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Summary:A simple procedure for the synthesis and further functionalization of 4,5-diaminopyrazoles using mild conditions is reported herein. The desired products were obtained in good yield, and the structures have been confirmed by X-ray crystallography. A simple procedure for the synthesis and further functionalization of 4,5-diaminopyrazoles using mild conditions is reported herein. The desired products were obtained in good yield, and the structures have been confirmed by X-ray crystallography.
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(03)00398-8