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Synthesis of N(1)-substituted 5-amino-3-methylpyrazoles

✍ Scribed by N. L. Nam; I. I. Grandberg; V. I. Sorokin

Book ID
105516649
Publisher
Springer US
Year
2000
Tongue
English
Weight
165 KB
Volume
36
Category
Article
ISSN
0009-3122

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## Abstract The major products from the reaction of β‐alkoxyvinyl trifluoromethyl ketones **1a‐c** with methylhydrazine (**2**) in absolute ethanol are the 3‐(trifluoromethyl)‐substituted‐1‐methylpyrazoles **3a‐3c** with lesser amounts of the 5‐(trifluoromethyl)‐substituted products **4a‐4c** and *