C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 207/34 (2006.01) C07D 487/22 (2006.01)
Patent
CA 2680264
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 condensation step, in an acidic medium, between a dipyrromethane of formula (II), in which R'b is as defined previously for (I), and a dipyrromethane of formula (III), in which R' is as defined in claim 1, and also to the compounds of formula (III).
La présente invention concerne un procédé de préparation d'une porphyrine de formule (I), éventuellement sous la forme d'un sel avec un métal alcalin et/ou sous la forme d'un complexe métallique, dans laquelle : R et R' sont tels que définis à la revendication 1, comprenant : une étape de condensation, en milieu acide, entre un dipyrrométhane de formule (II), dans laquelle R'b est tel que défini précédemment pour (I), et un dipyrrométhane de formule (III), dans laquelle R" est tel que défini à la revendication 1, ainsi que les composés de formule (III).
Boudier Andreas
Flubacher Dietmar
Martin Pierre
Mueller Markus
Spielvogel Dirk
Robic
Sanofi Pasteur
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