引用本文:
阎雁, 魏仲航, 孙宝强, 陆瑞芬, 张淑英, 刘浩宇, 甄开吉, 常新, 李青, 方赤光. 2-羟基-1,4-萘醌的合成及铁卟啉-氧催化中间体形成平衡常数的测定[J]. 应用化学,
2001, 18(10): 810-812.
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.
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.
2-羟基-1,4-萘醌的合成及铁卟啉-氧催化中间体形成平衡常数的测定
English
The Formation Constants of Intermediate of Iron Porphyrin Catalyst and Preparation of 2-hydroxy-1,4-naphthoquinone
Abstract:
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.
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