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|Title:||Air oxidation of olefins using titanium substituted heteropoly anions|
|Authors:||Alekar, Nirupa A|
|Abstract:||Air oxidation of styrene and cyclohexene has been studied in the presence of isobutyraldehyde as reductant using heteropoly an ion catalys ts such as K5[PW11TiO40], K7[PW10Ti2O40], K2[Bu4N]5 [PW10Ti2O40], Na2.25 [(CH3)2(C6H5 )(C6H5,CH2)N] 4.75 [PW10Ti2O40 and K7[PW10Ti2O40] supported on silica (10% by wt.). The major product of oxidation of styrene is styrene oxide while that for cyclohexene is the corresponding oxide. The maximum molar conversion for styrene is 81 % with 83% selectivity for the oxide: for cyclohexene, these values are 49 and 93% respectively.|
|Appears in Collections:||IJC-A Vol.38A(10) [October 1999]|
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