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Notizen Untersuchungen an quartären Pyridinium-Salzen, XVIII. Notiz über synthetische Cyclopeptide mit 1,4-Dihydronikotinamid-Teilstruktur

✍ Scribed by Gündel, Wolf-H.

Publisher: John Wiley and Sons
Year: 1985
Tongue: English
Weight: 173 KB
Volume: 1985
Category: Article
ISSN: 0947-3440
DOI: 10.1002/jlac.198519850618

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✦ Synopsis

Investigations on Quaternary Pyridinium Salts, XVIII^1)^. – Note on Synthetic Cyclopeptides with 1,4‐Dihydronicotinamide Moiety

Quaternary salts of the amides of N‐nicotinoyldipeptides form under the influence of base dimers with 20‐membered rings, cyclopeptide‐like substances with two 1,4‐dihyronicotinamide moieties (8).

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✍ Gündel, Wolf-H. 📂 Article 📅 1984 🏛 John Wiley and Sons 🌐 English ⚖ 152 KB

**Investigations on Quaternary Pyridinium Salts, XVI. — Note on Cyclization Reactions with Salts of Amides of Nicotinoylamino Acids** Quaternary salts **2** of the amides of α‐nicotinoylamino acids cyclize under the influence of base to give the seven‐ or fourteen‐membered rings **3** and **4**, re