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Radiotracer study of a heterocyclic ring expansion reaction

✍ Scribed by Dobbs, Horace E.


Book ID
126202453
Publisher
American Chemical Society
Year
1968
Tongue
English
Weight
661 KB
Volume
33
Category
Article
ISSN
0022-3263

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A novel base-induced ring expansion of q
✍ Hans-JΓΌrgen Federsel; Jan Bergman πŸ“‚ Article πŸ“… 1980 πŸ› Elsevier Science 🌐 French βš– 223 KB

The synthesis of some 6-, 7-and &membered heterocycles through a base induced ring expansion of quaternized thiazolium, oxazolium and selenazolium salts is described. During studies of base-induced rearrangements of quaternized 5-(w-chloroalkyl)-thiazoles and oxazoles, -165OC) in 20-25% yield. Mass