Abstract：
:The synthesis of water-soluble, unsymmetrical, trisulfonated zinc phthalocyanines (ZnPcS3) as single products of the ring expansion of boron tri(4-sulfo)subphthalocyanine (SubPc) is reported. The novel, water-soluble trisulfo-SubPcB(OH) was prepared via hydrolysis of the tris(4-chlorosulfonyl)SubPcB(Br) which in turn was obtained from the condensation of 4-(chlorosulfonyl)phthalonitrile with BBr3 in 1-chlorobenzene. A number of ZnPcS3 analogues were prepared via the reaction of S3SubPcB (OH) with different diiminoisoindoline derivatives of increasing hydrophobicity. The reaction proceeds at relative low temperature with acceptable yields. Metalation of free base Pc's with zinc acetate dihydrate afforded the corresponding zinc complexes. Photodynamic activities were measured against the EMT-6 mouse mammary tumor cell line and compared to those of the known ZnPcS3 and ZnPcS4. Added (t-Bu)benzo and (t-Bu)naphtho groups increased the in vitro cell photoinactivation efficacy of the ZnPcS3, whereas addition of a fourth sulfobenzo or bulky diphenylpyrazino group decreased the activity of the parent molecule. The (t-Bu)naphthotrisulfobenzoporphyrazine induced the best in vivo photodynamic tumor control which, combined with its good solubility and broad absorption spectrum, renders this compound an interesting dye for photodynamic applications in medicine.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Kudrevich S,Brasseur N,La Madeleine C,Gilbert S,van Lier JEdoi
10.1021/jm9702488subject
Has Abstractpub_date
1997-11-21 00:00:00pages
3897-904issue
24eissn
0022-2623issn
1520-4804pii
jm9702488journal_volume
40pub_type
杂志文章abstract：:Polyamine transport is elevated in many tumor types, suggesting that toxic polyamine-drug conjugates could be targeted to cancer cells via the polyamine transporter (PAT). We have previously reported the use of Chinese hamster ovary (CHO) cells and its PAT-deficient mutant cell line, CHO-MG, to screen anthracene-polya...
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