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ChemInform Abstract: Mixed Organofluorine—Organosilicon Chemistry. Part 11. Efficient Synthesis of 4-Fluoro-5-(perfluoroalkyl)pyrazoles from Organofluorosilicon Building Blocks.

✍ Scribed by Jean-Philippe Bouillon; Benoit Didier; Boniface Dondy; Pascale Doussot; Richard Plantier-Royon; Charles Portella

Publisher: John Wiley and Sons
Year: 2010
Weight: 34 KB
Volume: 33
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200210114

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Efficient Synthesis of 4-Fluoro-5-(perfl

Efficient Synthesis of 4-Fluoro-5-(perfluoroalkyl)pyrazoles from Organofluorosilicon Building Blocks

✍ Jean-Philippe Bouillon; Benoît Didier; Boniface Dondy; Pascale Doussot; Richard 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 358 KB 👁 1 views

A series of 4-fluoro-5-(perfluoroalkyl)pyrazoles has been prepared by heterocyclization of hemiperfluoroenones 3 or synthetic equivalents 1 and 2 with methylhydrazine. Compounds 1-3 were obtained by reaction of acylsilanes and perfluoroorganometallic reagents. The fluorinated pyrazoles could also be