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Synthese eines 33gliedrigen Polyaminolactams durch Anwendung der «zip»-Reaktion. 6. Mitteilung über Umamidierungsreaktionen

✍ Scribed by Urs Kramer†; Hans Schmid†; Armin Guggisberg; Manfred Hesse

Publisher
John Wiley and Sons
Year
1979
Tongue
German
Weight
329 KB
Volume
62
Category
Article
ISSN
0018-019X

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✦ Synopsis

Synthesis of a 33‐membered Polyaminolactam by Use of the Zip‐reaction

The pentaamino lactam derivative 11 was synthesized from the 13‐membered tosylaminolactam 2. The prolongation of the side chain was achieved using the phthalimido derivative 3. After removal of the protecting groups the resulting base 11 was treated with KAPA reagent (1,3‐propanediamine/potassium‐3‐aminopropyl‐amid). By zip‐reaction the 33‐membered 13, 17, 21, 25, 29‐pentaaza‐32‐dotriacontanelactam (1) was formed in 85% yield.

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