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Synthesis Of CF3-Heterocycles Based on 4-Dimethylamino-1,1,1-trifluoro-3-buten-2-one

✍ Scribed by I. L. Baraznenok; V. G. Nenajdenko; E. S. Balenkova

Book ID
111551925
Publisher
Springer US
Year
2003
Tongue
English
Weight
135 KB
Volume
39
Category
Article
ISSN
0009-3122

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Condensation of methylhydrazine with 4-e
Condensation of methylhydrazine with 4-ethoxy-1,1,1-trifluoro-3-buten-2-one. A reinvestigation
✍ James W. Pavlik; Theppawut Israsena Na Ayudhya; Supawan Tantayanon πŸ“‚ Article πŸ“… 2002 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 29 KB

## 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