2-chloro-1-(4-hydroxyphenyl) ethanone and 2-bromo-1-(4-hydroxyphenyl)ethanone are the vital intermediates for synthesis of synephrine.
2-氯-1-(4-羟苯基)乙酮和2-溴-1-(4-羟苯基)乙酮是合成辛弗林的重要中间体。
参考来源 - 辛弗林及其类似物的合成研究It showed that the contents of Synephrine have no significant differences in different species and places of Zhishi.
结果显示,辛弗林的含量差异与品种和产地没有明显相关性。
参考来源 - 不同品种产地枳实有效成分的对比分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Another study demonstrated neurologic improvement after 1 to 6 days of phenylephrine (Neo-Synephrine) infusion.
另有研究表明福林输液1至6天后神经功能改善。
UV was used to determine the process parameters by compared with synephrine, and the content of total alkaloids from eluent as criteria.
以辛弗林为对照品，用UV测定洗脱液中总生物碱的含量作为考察指标，确定最佳工艺参数。
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