Octakis(alkylthio)-substituted phthalocyanines and their interactions with silver(I) and palladium(II) ions
- 1 January 1994
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 9,p. 1419-1423
- https://doi.org/10.1039/dt9940001419
Abstract
Metal-free phthalocyanines and metal phthalocyaninates (M = Ni, Cu, Co or Zn) carrying eight alkylthio-groups on peripheral positions have been synthesised from 4,5-bis(alkylthio)phthalonitrile and 1,8-diazabicyclo[5.4.0]undec-7-ene (dbu) or the corresponding anhydrous metal salt [NiCl2, CuCl, CoCl2 or Zn(O2CMe)2]. The resulting compounds reacted with silver(I) or palladium(II) salts to form complexes with a phthalocyanine:metal ratio of 1 : 4. Spectrophotochemical investigation of these reactions revealed that complexation with AgI results in aggregation, while the addition of PdII destroys the aggregation and yields a new Q band at 720 nm.Keywords
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