C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 47/04 (2006.01) C09B 47/08 (2006.01) C09B 47/30 (2006.01)
Patent
CA 2285061
A simple, flexible, convenient method for making silicon phthalocyanines and naphthalocyanines by inserting silicon into metal-free phthalocyanines and metal-free naphthalocyanines is provided. The method comprises: providing a metal-free phthalocyanine or metal-free naphthalocyanine; reacting the metal- free phthalocyanine or metal-free naphthalocyanine with HSiCl3 to provide a reaction product; then reacting the reaction product with water; and extracting a silicon phthalocyanine or a silicon napthalocyanines. The invention also relates to novel phthalocyanines and naphthalocyanines. The phthalocyanines and naphthalocyanines are useful as photosensitizers and as dyes.
L'invention a trait à une technique simple, souple et commode de production de phtalocyanines et de naphtalocyanines au silicium par insertion de silicium dans des phtalocyanines et des naphtalocyanines exemptes de métal. La technique de l'invention repose sur l'utilisation de phtalocyanines et de naphtalocyanines exemptes de métal, sur la réaction de l'une ou de l'autre avec HSiCl¿3?, ce qui donne un produit de réaction, ainsi que sur la réaction du produit de réaction avec de l'eau et sur l'extraction de la phtalocyanine ou de naphtalocyanine au silicium. Cette invention concerne également de nouvelles phtalocyanines et naphtalocyanines. Celles-ci s'avèrent utiles en tant qu'agents photosensibilisants et colorants.
Cheng Gongzhen
Hao Guolun
Kenney Malcolm E.
Li Ying-Syi
Wu Hongqiao
Case Western Reserve University
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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