Chemistry involves the study of all things chemical – chemical processes, SDS of cas: 16009-13-5, chemical compositions and chemical manipulation – in order to better understand the way in which materials are structured, how they change and how they react in certain situations. In a patent，Which mentioned a new discovery about 16009-13-5
The present invention provides a kind of protoporphyrin disodium preparation method, which belongs to the field of synthetic organic compounds, comprising the following steps: the protoporphyrin, anhydrous methanol and concentrated sulfuric acid is in ultrasonic under the condition of alkyd reaction, to obtain the protoporphyrin diester; the protoporphyrin diester, NaOH methanol solution and toluene in the ultrasonic under the condition of saponification reaction, to obtain the protoporphyrin disodium. This invention adopts the ultrasonic auxiliary replacing high temperature reflow, preparation of the protoporphyrin disodium, the preparation process is not needed in the preparation of the hydrogen chloride gas and also avoid the use of chloroform strong toxic reagent, also does not need to use high-temperature conditions, the process is simplified, the whole process is easy to operate. (by machine translation)
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Reference：
Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion