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AROMATIZATION OF 1 , CDIHYDROPYRIDINES WITH OXYGEN OR AIR USING MANGANESE AND COBALT SALTS OF p-AMINOBENZOIC ACID SUPPORTED ON SILICA GEL AS OXIDIZING CATALYSTS | ||
| Journal of Sciences, Islamic Republic of Iran | ||
| مقاله 5، دوره 9، شماره 4، اسفند 1998 اصل مقاله (207.65 K) | ||
| چکیده | ||
| Hantzsch 1,4-dihydropyridines are oxidized to the corresponding pyridine derivatives using oxygen or air and a mixture of the manganese and cobalt salts of parninobenzoic acid supported on silica gel as the catalysts. Reactions are clean and the catalysts can be recovered easily and reused repeatedly. | ||
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