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SYNTHESIS OF 4-SUBSTITUTED-1,5-DIHYDRO-2H-PYRROL-2-ONES, POTENTIAL SYNTHONS FOR THE PREPARATION OF RADIOLABELED 3-SUBSTITUTED-γ-AMINO ACIDS

✍ Scribed by Vaccher, Claude

Book ID
121447316
Publisher
Taylor and Francis Group
Year
2001
Tongue
English
Weight
126 KB
Volume
31
Category
Article
ISSN
0039-7911

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✍ Jan M. Bakke; Hanna S. H. Gautun; Harald Svensen 📂 Article 📅 2003 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 66 KB

## Abstract A new synthetic route to 6‐substituted‐imidazo[4,5‐__c__]pyridin‐2‐ons from 4‐aminopyridine has been investigated. 4‐Aminopyridine protected as alkyl carbamates were nitrated with dinitrogen pentoxide to the corresponding methyl, __i__‐propyl and __t__‐butyl 3‐nitropyridin‐4‐yl carbamat