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Citation: Peng Qing-Jing, Duan You- u, Ouyang Yu-Zhu, Fu Wei-Chang. Regioselective Oxidation of Phenylethane with Air Catalyzed by μ-oxo-bis-manganese Porphyrins[J]. Acta Physico-Chimica Sinica, ;2001, 17(04): 292-294. doi: 10.3866/PKU.WHXB20010402 shu

Regioselective Oxidation of Phenylethane with Air Catalyzed by μ-oxo-bis-manganese Porphyrins

1.
Department of Chemisitry , Jishou University , Jishou　416000

Received Date: 25 December 2000
Available Online: 15 April 2001

The selective oxidation of phenylethane with air catalyzed byμ-oxobismanganese porphyrins was studied . It is shown that the main products are hypnone and α-phenylethanol . The selectivity of products at alpha position is 100 ％. With by extending the reaction, the amount byproduct increase , the selectivity at α-phenylethanol descends and that of hypnone slightly increases, but the total selectivity decrease. With the temperature raising, the yield of hypnone and α-phenylethanol relevantly increase, but their selectivity descends. A 3h induction period appeared when the solvent was benzene and chlorobenzol, and they have no influence on the yield of the products;No induction period was obseves when the solvent was butanone and cyclohexanone, and it makes the yield of products increase .
- Metalloporphyrin;Catalysis;Oxidation;Phenylethane;Air
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