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http://nopr.niscpr.res.in/handle/123456789/16675| Title: | Formation of 1-phenyl-4-oxo [1,2,4] triazolo[ 4,3-a]quinoxaline from 2-chloro-3-(2' -benzylidenehydrazino)quinoxaline during dehydrogenative cyclisation using cupric acetate |
| Authors: | Krishnan, V S H Chowdary, K S Dubey, P K |
| Issue Date: | Dec-1999 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Attempted dehydrogenative cyclisation of 2-chloro-3-(2 'benzylidinehydrazino) quinoxaline 5 with a view to prepare 1-phenyl-4-chloro[1,2,4] triazolo [4,3-a] quinoxaline 6 using cupric acetate gives l-phenyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxaline 7. A rational explanation is offered for this reaction and the applicability of cupric acetate as dehydrogenative cyclisation agent (such as in the conversion of 10→11) has been demonstrated. |
| Page(s): | 1371-1373 |
| ISSN: | 0975-0983(Online); 0376-4699(Print) |
| Appears in Collections: | IJC-B Vol.38B(12) December 1999] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJCB 38B(12) 1371-1373.pdf | 630.72 kB | Adobe PDF | View/Open |
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