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The Condensation of 1,1-Dinitroethane with Electronegatively Substituted Unsaturated Compounds. The Synthesis of 3,3-Dinitro-1-butene 1,2

✍ Scribed by Shechter, Harold; Zeldin, Lawrence

Book ID
120408910
Publisher
American Chemical Society
Year
1951
Tongue
English
Weight
431 KB
Volume
73
Category
Article
ISSN
0002-7863

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## Abstract In contrast to previous reports, 4‐ethoxy‐1,1,1‐trifluoro‐3‐buten‐2‐one (**1**) was observed to react with methylhydrazine (**2**) in refluxing ethanol to yield 1‐methyl‐3‐(trifluoromethyl)pyrazole (**6**) and 4,5‐dihydro‐1‐methyl‐5‐(trifluoromethyl)pyrazol‐5‐ol (**4**). The later compo