According to the reported methods, two derivatives of 1-amino-β-carboline were synthesized, using acrylonitrile and diethyl malonate as starting materials through an eight-step sequence, such as condensation, Raney Ni catalyst, rearrangement and DDQ oxidation.
2. 以丙二酸二乙酯和丙烯氰为原料,经缩合、Raney Ni催化氢化、重排、 DDQ 氧化、氨基化合物取代等八步反应,合成了两个取代的1-氨基-β-咔啉衍 生物。
参考来源 - 天然β·2,447,543篇论文数据,部分数据来源于NoteExpress
Aside from removing the malonate, how can this inhibition of respiration be overcome?
除了去掉丙二酸之外,还可以怎样克服这种对呼吸作用的抑制?
Aside from removing the malonate, how can this inhibition of respiration be overcome? Explain.
除了去掉丙二酸之外,还可以怎样克服这种对呼吸作用的抑制?解释。
In a traditional synthesis method with malonate ester as the raw material, impurities are produced in the finally obtained biotin.
目前用丙二酸二酯作原料的合成方法,在最后得到的生物素中会伴随杂质的产生。
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