采用浸渍法制备了Pd/Hβ双功能催化剂,并用其催化苯加氢烷基化反应合成环己基苯,考察了反应温度、反应时间、氢气压力、载体的酸性和催化剂的金属担载量对反应的影响. 结果表明,在2.5 MPa H2、200 ℃和 3 h 的条件下,苯的转化率为24.3%, 环己基苯的选择性为88.0%. 金属活性位与酸性位之间的平衡是苯加氢烷基化反应的关键. 同时,探讨了苯的加氢烷基化反应机理.
参考文献
| [1] | Arends IWCE.;Sasidharan M.;Kuhnle A.;Duda M.;Jost C.;Sheldon RA. .Selective catalytic oxidation of cyclohexylbenzene to cyclohexylbenzene-1-hydroperoxide: a coproduct-free route to phenol[J].Tetrahedron,2002(44):9055-9061. |
| [2] | Jordan W;Barneveld H;van Gerlich O;Kleine-Boymann M J,Ullrich J.Ullmann's Encyclopedia of Industrial Chemistry[M].VCH:Weinheim,1991:307. |
| [3] | White N .[P].US 4645585,1987. |
| [4] | Mirodatos C .[J].Journal of Physical Chemistry,1986,90(03):481. |
| [5] | Arkell A;Crone J M Jr;Suggitt R M .[P].US 3760017,1973. |
| [6] | Suggitt R M;Crone J M Jr .[P].US 3926842,1975. |
| [7] | Nakamura J .[P].JP 51088929,1976. |
| [8] | Mikami I;Danno S;Yamamura T;Uchida I,Tasaki Y,Kugimoto J,Okahara E .[P].JP 52062253,1977. |
| [9] | Murtha T P;Zuech E A .[P].US 4094918,1978. |
| [10] | Murtha T P .[P].US 4219689,1980. |
| [11] | Murtha T P;Zuech E A .[P].US 4329531,1982. |
| [12] | Cheng J C Y;Dandekar A B;Steckel M A;Cho Timken H K .[P].US 6506953,2003. |
| [13] | Struijk J;Scholten J J F .[J].Applied Catalysis A:General,1992,82(02):277. |
| [14] | Augustine R L.Heterogeneous Catalysis for the Synthetic Chemist[M].New York:Marcel Dekker,Inc,1996:405. |
| [15] | Kamiyama T;Enomoto S;Inoue M.[J].Chemistry Letters,1979(03):261. |
| [16] | Chou P;Vannice M A .[J].Journal of Catalysis,1987,107(01):129. |
| [17] | Hari Prasad Rao P R;Ueyama K;Matsukata M .[J].Applied Catalysis A:General,1998,166(01):97. |
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