Method for the demethoxycarbonylation of porphyrinic...

C - Chemistry – Metallurgy – 07 – D

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C07D 487/22 (2006.01) C07D 209/00 (2006.01) C07D 257/00 (2006.01)

Patent

CA 2351372

An improved method for the demethoxycarbonylation of porphyrinic compounds such as pheophorbides involving reacting the starting porphyrinic compound with a high boiling point solvent to which a selected amount of water has been added.

Cette invention se rapporte à un procédé amélioré, qui sert à réaliser la déméthoxycarbonylation de composés porphyriniques tels que les phéophorbides et qui consiste à cet effet à faire réagir le composé porphyrinique de départ avec un solvant à point d'ébullition élevé auquel a été ajoutée une quantité d'eau sélectionnée.

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