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A new method for the preparation of 2-carhoalkoxypyrazolo [5,1 -B] quinazolin-9(1H)ones

✍ Scribed by Charles F. Beam; Jane Brown; Donna R. Dawkins; William P. Fives; Ned D. Fleindel


Book ID
112125732
Publisher
Journal of Heterocyclic Chemistry
Year
1979
Tongue
English
Weight
228 KB
Volume
16
Category
Article
ISSN
0022-152X

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A new convenient synthesis of 2,4-disubs
✍ Ahmad S. Shawali; Hamdi M. Hassaneen; Nabil Kh. Shurrab πŸ“‚ Article πŸ“… 2008 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 215 KB πŸ‘ 1 views

## Abstract magnified image A novel series of 2,4‐disubstituted‐1,2,4‐triazolo[1,5‐__a__]quinazolin‐5(4__H__)‐ones were prepared by Dimroth rearrangement of their respective isomers namely 1,4‐disubstituted‐[1,2,4]triazolo[4,3‐__a__]‐quinazolin‐5(4__H__)‐ones. The latter were prepared __via__ new