Compounds for pdt

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 487/22 (2006.01) A61K 41/00 (2006.01) A61P 35/00 (2006.01) C08G 65/333 (2006.01)

Patent

CA 2402433

A tetrakis(hydroxyphenyl)chlorin, bacteriochlorin or isobacteriochlorin, derivatised at one or more of the hydroxy groups by addition reaction with a diisocyanate, diisothiocyanate or isocyanate-isothiocyanate at one isocyanate or isothiocyanate group thereof, the other isocyanate or isothiocyanate group being itself derivatised by addition reaction with the hydroxy group of an w- alkylated or acylated poly(alkylene oxide) or to a hydroxy group of a link residue itself carrying a residue of such poly(alkylene oxide).

L'invention concerne une tetrakis(hydroxyphényl)chlorine, une bactériochlorine ou une isobactériochlorine, substituée au moyen d'une réaction d'addition sur un ou plusieurs des groupes hydroxy avec du diisocyanate, du diisothiocyanate ou de l'isocyanate-isothiocyanate au niveau d'un groupe isocyanate ou isothiocyanate de ceux-ci, les autres groupes isocyanate ou isothiocyanate étant eux-mêmes substitués au moyen d'une réaction d'addition avec le groupe hydroxy d'un poly(alkylène oxyde) .omega.-alkylé ou acylé ou avec le groupe hydroxy d'un résidu de liaison lui-même porteur d'un résidu d'un tel poly(alkylène oxyde).

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