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 R′b 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).
本发明涉及制备公式(I)的
卟啉的方法,可以是与碱
金属盐和/或
金属配合物形式的盐。其中:R和R'如权利要求书所定义,包括以下步骤:在酸性介质中,通过公式(II)的二
吡咯甲烷和公式(III)的二
吡咯甲烷进行缩合反应。其中,公式(II)的R'b如上所述,公式(III)的R"如权利要求书所定义,还包括公式(III)的化合物。