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Synthesis of trimethylammoniumphenylthio-substituted phthalocyanines with different pattern of substitution

✍ Scribed by Francesca Giuntini; Daniele Nistri; Giacomo Chiti; Lia Fantetti; Giulio Jori; Gabrio Roncucci

Book ID
104252698
Publisher
Elsevier Science
Year
2003
Tongue
French
Weight
195 KB
Volume
44
Category
Article
ISSN
0040-4039

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✦ Synopsis

The base-catalyzed cyclotetramerization of 3-, 4-and 4,5-dimethylaminophenylthio phthalonitriles with zinc(II)acetate afforded 1(4),8(11),15(18),22(25)-and 2(3),9(10),16(17),23(24)-tetrasubstituted and 2,3,9,10,16,17,23,24-octasubstituted Zn(II)phthalocyanines, respectively. The statistical mixed condensation of the same phthalonitriles with 1,2-dicyanobenzene gave the corresponding mono-and disubstituted derivatives. Methylation of such products afforded a series of cationic Zn(II)phthalocyanines with different pattern of substitution, with potential use as photodynamic agents in microbial infections.

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