D, Venugopal and M. , Subrahmanyam (2001) Selective synthesis of 5-methyl-2-phenylpyridine from carbonyl compounds and ammonia over zeolite catalysts. Green Chemistry, 3 . pp. 181-185.
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Abstract
The vapor-phase cyclization of acetophenone, propionaldehyde, formaldehyde and ammonia was carried out over HZSM-5, HBeta and HY zeolites at 400 °C and 0.5 h21 weight hour space velocity to synthesize 5-methyl-2-phenylpyridine. The cyclization activity follows the order: HY > HBeta > HZSM-5. The influence of catalyst modification with a metal ion, temperature, feed molar ratio, weight hour space velocity, and activity with time on stream parameters were studied. The maximum yield of 5-methyl-2-phenylpyridine was obtained over 3 wt% CoHY zeolite at 400 °C.
| Item Type: | Article |
|---|---|
| Subjects: | Science > Chemistry |
| ID Code: | 525 |
| Deposited By: | INVALID USER |
| Deposited On: | 02 Apr 2007 16:56 |
| Last Modified: | 02 Apr 2007 16:56 |
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