Citation: Xiao Li ZHEN, Jian Rong HAN, Ru Hong KANG, Xing Mei OUYANG. Dehalogenation of Aryl Halides Catalyzed by MontK10 Immobilized PVP-Pd-Sn Catalyst in Aqueous System[J]. Chinese Chemical Letters, ;2001, 12(4): 287-290. shu

Dehalogenation of Aryl Halides Catalyzed by MontK10 Immobilized PVP-Pd-Sn Catalyst in Aqueous System

1.
Department of Essential Education, Hebei Science & Technique University Shijiazhuang 050018;
2.
Department of Chemistry, Heibei Normal University, Shijiazhuang 050016

Received Date: 19 May 2000

A series of PVP-Pd-Sn/MontK10 catalysts were prepared by immobilization of PVP [poly (N-vinyl-2-pyrrolidone)] supported bimetallic catalyst using MontK10 as carrier. This catalyst has good catalytic activity for hydrogen transfer dehalogenation of aryl halides. The catalytic reaction was carried out in aqueous system in the presence of phase transfer catalyst and sodium formate as hydrogen source. The catalyst with loading Pd 0.19wt% and molar ratio of Pd/Sn 8:1 gives the highest activity and good stability. This catalyst is more reducible with NaBH₄. It is also found that the catalyst is easily separated from the reaction system.
- Phase transfer catalyst,
- aryl halide,
- dehalogenation,
- MontK10.
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