𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthesis of 3,4-diaminopyridine and imidazo[4,5-c]pyridines by nitration of 4-acylaminopyridines

✍ Scribed by J. M. Bakke; J. Riha

Publisher
Journal of Heterocyclic Chemistry
Year
1999
Tongue
English
Weight
252 KB
Volume
36
Category
Article
ISSN
0022-152X

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

New methods for the preparation of 3,4‐diaminopyridine (5) and imidazo[4,5‐c]pyridines 7a,7b based on direct nitration of 4‐acylaminopyridines 3a, 3b have been explored.

📜 SIMILAR VOLUMES

Synthesis of new 4,5,6,7-tetrahydro-3H-i
Synthesis of new 4,5,6,7-tetrahydro-3H-imidazo[4,5-c]pyridine derivatives
✍ Miguel F. Braña 📂 Article 📅 2003 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 108 KB

## Abstract The synthesis of new ligands for the H~3~ histamine receptor is described. These new compounds are spinacine derivatives obtained by alkylation or Michael reaction at C6 position.

Synthesis of imidazo[4,5-b]pyridines fro
Synthesis of imidazo[4,5-b]pyridines from aminoimidazolecarbaldehydes
✍ Francisco Perandones; Jose L. Soto 📂 Article 📅 1997 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 507 KB

## Abstract 4‐Amino‐1,2‐dimethylimidazole‐5‐carbaldehyde (1) and 5‐amino‐1‐methylimidazole‐4‐carbaldehydes 3 were prepared by reduction of the corresponding aminoimidazolecarbonitriles 2 and 4. Condensation of 1 and 3 with carbonitriles, ketones and polyfunctional carbonyl compounds bearing the‐CH~