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A Practical Synthesis of 2,4(5)-Diarylimidazoles from Simple Building Blocks.

โœ Scribed by Valentiani Zuliani; Giuseppe Cocconcelli; Marco Fantini; Chiara Ghiron; Mirko Rivara


Publisher
John Wiley and Sons
Year
2007
Weight
21 KB
Volume
38
Category
Article
ISSN
0931-7597

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Efficient Synthesis of 4-Fluoro-5-(perfl
โœ Jean-Philippe Bouillon; Benoรฎt Didier; Boniface Dondy; Pascale Doussot; Richard ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 358 KB ๐Ÿ‘ 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