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Synthesis and Characterization of New Phthalocyanines Peripherally Fused to Four 13-Membered Tetrathiamacrocycles

✍ Scribed by Ayşe G. Gürek; özer Bekâroǧlu

Publisher
John Wiley and Sons
Year
1994
Tongue
German
Weight
443 KB
Volume
77
Category
Article
ISSN
0018-019X

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✦ Synopsis

The new metal-free phthalocyanine 5 and phthalocyaninatometals &8 (M=Co, Ni, or Zn) fused in peripheral positions with four 13-membered tetrathiamacrocycles were prepared by cyclotetramerization of 2,3,6,7,9,10-hexdhydro-SH-[1,4,8,1 l]benzotetrathiacyclotridecine-13,14-dicarbonitrile in the presence of a suitable metal salt or a strong organic base. In contrast to the aza-or oxamacrocycle-fused analogs, the solubility of these phthalocyanines is very low. Complexation of the tetrathiamacrocycles of 7 and 8 with Pd" or Ag' to form pentanuclear products was accomplished from their suspensions.

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Metal phthalocyanines (M = Cu, Ni, Co, SnCI2) 3-6 containing four 14-membered tetraaza macrocycles have been prepared. Detosylation of the aza functions has provided donor sites for binding four Ni2+ ions giving a pentanuclear com-plex which is extremely soluble in polar solvents. The mass spectrum