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Alkylation of isobutyraldehyde using phase transfer catalysis

✍ Scribed by Alfred Hopfinger; Kjell Sjöberg


Publisher
Elsevier Science
Year
1983
Weight
239 KB
Volume
20
Category
Article
ISSN
0304-5102

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N-alkylation of benzimidazoles and benzo
✍ L.J. Mathias; D. Burkett 📂 Article 📅 1979 🏛 Elsevier Science 🌐 French ⚖ 200 KB

Sumnary: N-methyl and other N-alkyl benzimidazoles and benzotriazoles were prepared by 18-crown-6 catalysis involving basic aqueous solutions of the heterocycles and organic solutions of alkyl iodides or bromides. In the course of our work with highly substituted benzimidazoles, we required a mild,