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Synthesis of enamino ketones fromN-(2-vinyloxyalkyl)-ethane-1,2-diamines

✍ Scribed by B. F. Kukharev; V. K. Stankevich; N. A. Lobanova; G. R. Klimenko; V. V. Stankevich; E. V. Bragin


Book ID
111465320
Publisher
SP MAIK Nauka/Interperiodica
Year
2010
Tongue
English
Weight
176 KB
Volume
46
Category
Article
ISSN
1070-4280

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Synthesis of Functionalized 1,2,3,4-Tetr
✍ Tietze, Lutz F. ;Wichmann, JΓΌrgen πŸ“‚ Article πŸ“… 1992 πŸ› John Wiley and Sons 🌐 English βš– 614 KB

## Abstract Reaction of tryptamine (1) with 2 and 3 gives the enamino ketones 4a and 5, resp., which on treatment with trifluoroacetic acid lead to the 2‐substituted indoles 8 and 9, respectively. Acylation of 4a followed by reaction with trifluoroacetic acid or a Lewis acid affords the 1,2,3,4‐tet