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- W2392128124 abstract "2,5-Dimethylpyrazine was catalyzed by sulfuric acid to form pyrazine ring radical which in turn substitued rapidly by hydroxymethyl radical, which obtained by treatment of methanol with hydrogen peroxide-ferrous sulfate, to yiled liguzinediol as cardiac agent. Optimal conditions were as follows: the molar ratio of 2,5-dimethylpyrazine, CH3OH, 30% H2SO4, FeSO4·7H2O and 30% H2O2 was 1∶74∶17∶2.3∶7, the addition of hydrogen peroxide and ferrous sulfate was controlled at the same time with the same speed, and the reaction temperature was 30- 60 ℃ mediated by the dropping-speed. The yield was about 31%." @default.
- W2392128124 created "2016-06-24" @default.
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- W2392128124 date "2014-01-01" @default.
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- W2392128124 title "Synthesis of Liguzinediol" @default.
- W2392128124 hasPublicationYear "2014" @default.
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