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Reactions of Lithium Silylcuprates with Pyrazolium and Indazolium Salts

✍ Scribed by Ana M. González-Nogal; Mariola Calle; Purificación Cuadrado


Book ID
102177386
Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
235 KB
Volume
2007
Category
Article
ISSN
1434-193X

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📜 SIMILAR VOLUMES


Reactions of pyrazolium salts with silyl
✍ Purificación Cuadrado; Ana M. González-Nogal 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 246 KB

## Abshnct 1,3,5-trisubstituted-2-methylpyrazolium iodides react with dimethylphenylsilyl-and twtbutyldiphenylsilyllithium leading, in general, to one of the corresponding S-silyl-3-pyrazolines The silyl group is easily substituted by electrophiles to give 5-tinctionalized 3-pyrazolines.Moreover.

Reactions of pyrazoles and pyrazolium sa
✍ Purificación Cuadrado; Ana M. González-Nogal; Senén Martínez 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 827 KB

2-Pyrazolin-4-oximes have been synthesized by reaction of 4-nitroso-and 4nitropyrazoles with complex metal hydrides and organometallic reagents. Furthermore, 4nitropyrazolium tetrafluoroborates are reactive substrates towards organolithium and Grignard compounds leading to new and highly substituted