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Citation: YAN Yan, WEI Zhong-Hang, SUN Bao-Qiang, LU Rui-Fen, ZHANG Shu-Ying, LIU Hao-Yu, ZHEN Kai-Ji, CHANG Xin, LI Qing, FANG Chi-Guang. The Formation Constants of Intermediate of Iron Porphyrin Catalyst and Preparation of 2-hydroxy-1,4-naphthoquinone[J]. Chinese Journal of Applied Chemistry, ;2001, 18(10): 810-812. shu

The Formation Constants of Intermediate of Iron Porphyrin Catalyst and Preparation of 2-hydroxy-1,4-naphthoquinone

1.
a Department of Chemistry, Jilin University, Changchun 130023;
2.
b China Japan Union Hospital, Jilin University, Changchun 130023;
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c Jilin Provincial Health & Epidemic Prevention Station, Changchun

Received Date: 18 May 2001
Available Online: 28 August 2001
Fund Project: 吉林省科学技术委员会青年基金(吉科合字970504号)资助项目 (吉科合字970504号)

2-Hydroxy 1,4-naphtholquinone(HNQ) was prepared in alcoholic solution of NaOH with high conversion and selectivity from both 1-naphthol and 2-naphthol in the presence of metalloporphyrin catalyst. An oxygen iron porphyrin was observed from UV-Vis spectra when hydrogen peroxide was present in the catalytic system. The formation constants of the iron porphyrin intermediate were measured from its varying spectrum. The reactions of the formation and dissocination of HNQ are both of first order based on the relationship between HNQ concentration and reation time.
- iron porphyrin catalys intermediate,
- naphthol,
- hydroxynaphthoquinone,
- equilibrium constant,
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