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Substituted oxazolo[4,5-b]pyridin-2(3H)-ones: functionalization at 6-position

✍ Scribed by Marie-Claude Viaud; Patricia Jamoneau; Laurence Savelon; Gérald Guillaumet


Publisher
Elsevier Science
Year
1996
Tongue
French
Weight
184 KB
Volume
37
Category
Article
ISSN
0040-4039

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Acylation of oxazolo[4,5-b]pyridin-2(3H)
✍ Viaud Marie-Claude; Jamoneau Patricia; Baudin Marie-Laure; Savelon Laurence; Gui 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 474 KB

Acetylation and benzoylation of oxazolo[4,5-b]pyridin-2(3H)-ones, 2-phenyloxazolo-[4,5-b]pyridines and pyrrolo[2,3-b]pyridin-2(2H)-ones were realised via reactions catalyzed with palladium.

Preparation of substituted 1,3-dihydro-2
✍ 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