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Process for preparing porphyrin derivatives such as protoporphyrin (ix) and synthesis intermediate
Process for preparing porphyrin derivatives such as protoporphyrin (ix) and synthesis intermediate
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机译:卟啉衍生物如原卟啉(ix)的制备方法及合成中间体
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摘要
The present invention relates to a process for preparing a porphyrin of formula (I), optionally in the form of a salt with an alkali metal and/or in the form of a metal complex: in which: R and R are as defined in claim 1, comprising: a step of condensation, in an acidic medium, between a dipyrromethane of formula (II): in which Rb is as defined above for (I), and a dipyrromethane of formula (III): in which R is as defined in claim 1, and also the compounds of formula (III).
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