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合成了以硅胶、聚苯乙烯和NaY分子筛为载体的YCCo_3(CO)_9担载簇和以聚苯乙烯和聚冠醚为载体的Co_4(CO)_(10)(pph)_2担载金属簇催化剂。测试了这些担载催化剂的红外光谱,并对四核钴簇进行了电子能谱的研究。考察了这些催化剂对烯烃醛化反应的催化性能。四核钴簇高分子催化剂的催化活性高于均相,选择性也有提高。分子筛锁笼催化剂提高了产物的正异构比。
YCCo_3 (CO) _9 supported clusters supported on silica gel, polystyrene and NaY zeolite and Co_4 (CO) _ (10) (pph) _2 supported metal clusters supported on polystyrene and poly catalyst. The IR spectra of these supported catalysts were tested and the electron spectra of tetranuclear cobalt clusters were studied. The catalytic performance of these catalysts on the hydroformylation of olefins was investigated. The catalytic activity of the tetranuclear cobalt cluster polymer catalyst is higher than that of the homogeneous one, and the selectivity is also improved. Molecular sieve cage catalyst increased the product isomer ratio.