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- W2372535677 abstract "Nicotinamide-N-oxide (1) was prepared by oxidizing nicotinamide in the glacial acetic acid (AcOH) by 30% H_(2)O_(2).The reaction conditions recommended were as follow: the molar ratio of nicotinamide to H_(2)O_(2)was 1:1.5, amount of AcOH 50 ml (nicotinamide 5.0 g), reaction time 4 h, and the yield 80.6%. Treatment of the compound 1 with a mixture of phosphorus pentachloride and phosphorus oxychloride gave 2-chloronicotinonitrile (2), and the reaction conditions recommended were as follow: the molar ratio of Nicotinamide-N-oxide to phosphorus pentachloride, phosphorus oxychloride was 1∶1.7∶5.0, reaction time 2.0 h, and the yield reached 48.9%." @default.
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- W2372535677 date "2005-01-01" @default.
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- W2372535677 title "Synthesis of 2-chloronicotinonitrile" @default.
- W2372535677 hasPublicationYear "2005" @default.
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