仿酶催化脱木质素研究进展 - 林产化学与工业.pdf

24 1 Vol.24 No.1 2004 3 Chemistry and Industry of Forest Products ar. 2004 王 蕊, 钱学仁 (东北林业大学 材料科学与工程学院, 黑龙江 哈尔滨 150040) WANG R : , , , , Gif, : ; ; :TS745 :A :0253- 2417(2004) 01- 0101- 06 PROGRESS IN RESEARCHES OF BIO I ETIC DELIGNIFICATION WANG Rui, QIAN Xueren ( Colleg e of M aterials Science and Engineering , N ortheast Forestry University , H arbin 150040, China) Abstract: The research status and development trend of biomimetic delignification catalyzed by metal complexes were re viewed.Effects of porphyrins and nonporphyrins metal complexes used as biomimetic catalysts for delignification were evalu ated.The application perspectiveof biomimeticdelignification catalyzed by metal complexeswas also prospected. etallopor phyrins complexes had attractedmuch interest becauseof their high catalyticactivity under relatively mild conditions.Chlori nated iron porphyrins were very stable because of the protective effect of chlorine atoms on porphyrins skeleton rings and showed high activity and reproducibility.The kinds of central metal ions of porphyrins also influencedthe catalyticactivity of delignification. etalloporphyrins complexes aredifficult to beused in practicebecauseof their high cost.Nonporphyrins met al complexes such as metallophthalocyanines,Gif systems, Shiffbase complexes, etc. are being paid more attention due to their high catalytic activity, selectivity and easy synthesis. Key words: biomimetic catalysis; delignification; metal complexes ,, , ,,