Hydrazonoyl bromides 1a-c react with 5-amino-3phenyl-1H-pyrazole, 5-amino-1H-1,2,4-triazole, 2aminopyridine, 2-aminopyrimidine, and 2-aminobenzimidazole to afford the corresponding imidazo[1,2-b]pyrazoles 10, imidazo[1,2-b]-1,2,4-triazoles 11, imidazo[1,2-a]pyridines 16, imidazo[1,2-a]pyrimidines 17
✦ LIBER ✦
Bis(iminophosphorane)-mediated 1,2,4-Triazoloannulation on Imidazole and Benzimidazole Rings. Preparation of Imidazo[1,2-b]-1,2,4-triazoles and 1,2,4-Triazolo[1,5-a]benzimidazoles
✍ Scribed by Molina, Pedro; Aller, Enlique; Lorenzo, Angeles
- Book ID
- 111899299
- Publisher
- Japan Institute of Heterocyclic Chemistry
- Year
- 1994
- Tongue
- English
- Weight
- 696 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0385-5414
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
One-pot synthesis of imidazo[1,2-b]pyraz
✍
Ahmad M. Farag; Kamal M. Dawood
📂
Article
📅
1997
🏛
John Wiley and Sons
🌐
English
⚖ 181 KB
👁 1 views
ChemInform Abstract: One-Pot Synthesis o
✍
A. M. FARAG; K. M. DAWOOD
📂
Article
📅
2010
🏛
John Wiley and Sons
⚖ 31 KB
👁 1 views
Syntheses of 1-substituted 1,2,4-triazol
✍
Abdollah Sharifian; Kaykavoos Parang; Hassan Zorrieh-Amirian; Mehrdad Nazarinia;
📂
Article
📅
1994
🏛
Journal of Heterocyclic Chemistry
🌐
English
⚖ 186 KB
On triazoles XLIV [1]. synthesis of new
✍
Gábor Berecz; József Reiter; Gyula Argay; Alajos Kálmán
📂
Article
📅
2002
🏛
Journal of Heterocyclic Chemistry
🌐
English
⚖ 85 KB
## Abstract **Dedicated to Dr. János Császár on the occasion of his 70^th^ birthday** Ring transformation of 2‐cyanoimido‐3‐methyl‐1,3‐oxazolidine (**10**) yielded 5‐amino‐3‐[__N__‐(2‐hydrox‐yethyl)‐__N__‐methyl]amino‐1__H__‐1,2,4‐triazole (**6**) that was ring closed with different β‐keto esters
Triazoles. Part 44. Synthesis of New Rin
✍
Gabor Berecz; Jozsef Reiter; Gyula Argay; Alajos Kalman
📂
Article
📅
2010
🏛
John Wiley and Sons
⚖ 34 KB
👁 1 views
Synthesis of 3,3′-Bi-1,2,4-triazolo[4,5-
✍
Kamal M. Dawood; Mohamed A. Raslan; Ahmad M. Farag
📂
Article
📅
2004
🏛
John Wiley and Sons
⚖ 138 KB
👁 1 views
## Abstract For Abstract see ChemInform Abstract in Full Text.