化学合成。
化学合成
合成路线 1（1. 合成：20348-16-7）
产率：98%
合成条件：With hydrogen In ethanol at 50℃; for 1 h;
实验步骤：将3-羟基-6-甲基-2-硝基吡啶（30g，194.6mmol）在50℃的乙醇溶液中使用H 2在5psi和20％Pd（OH）2 / C催化剂下氢化1小时。 反应完成后，滤除催化剂，减压浓缩滤液，得到所需产物1，为棕色固体（23.68g，98％）。 NMR数据与提出的结构一致。
参考文献：
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