ChemInform Abstract: Synthesis and Reactions of a New Series of 1,2,4-Triazolo[4,3-c]quinazolines.
β Scribed by Kamal F. M. Atta; Mohamed G. Marei; Fatma A. M. Mohamed
- Publisher
- John Wiley and Sons
- Year
- 2011
- Weight
- 39 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0931-7597
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## Abstract The preparation of 1,2,4βtriazolo[1,5β__c__]quinazolines 4aβd, 5, 8aβd by cyclocondensation of 1aβc with carboxylic acids and carboxylic anhydrides, respectively, is described. By different pathways, the 5βthioxoβ5,6βdihydroβ1,2,4βtriazolo[1,5β__c__]quinazolines 4aβd react with hydrazin