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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Published inTetrahedron letters Vol. 44; no. 14; pp. 3009 - 3011
Main Authors Blass, Benjamin E, Srivastava, Anil, Coburn, Keith R, Faulkner, Amy L, Seibel, William L
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier Ltd 31.03.2003
Elsevier
Subjects
4,5-diaminopyrazoles
Chemistry
Chemistry, Organic
nitrosation
Physical Sciences
Science & Technology
urea derivatives
4,5-diaminopyrazoles
urea derivatives
nitrosation
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Abstract 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.
AbstractList 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. (C) 2003 Published by Elsevier Science Ltd.
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.
Author Blass, Benjamin E
Faulkner, Amy L
Seibel, William L
Srivastava, Anil
Coburn, Keith R
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10.1248/bpb.21.87
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Keywords 4,5-diaminopyrazoles
urea derivatives
nitrosation
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Snippet A simple procedure for the synthesis and further functionalization of 4,5-diaminopyrazoles using mild conditions is reported herein. The desired products were...
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SubjectTerms 4,5-diaminopyrazoles
Chemistry
Chemistry, Organic
nitrosation
Physical Sciences
Science & Technology
urea derivatives
Title A simple method for the preparation and selective functionalization of 4,5-diaminopyrazoles
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