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ISSN 1998-9539

Revisiting the One-Step Synthesis of Heteroleptic Lanthanide(III) (Porphyrinato)(Phthalocyaninates): Opportunities and Limitations

Kirill P. Birin,a@ Anna I. Poddubnaya,b Yulia G. Gorbunova,a,c and Aslan Yu. Tsivadzea,c
aA.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS, 119071 Moscow, Russia
bD.I. Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia
cN.S. Kurnakov Institute of General and Inorganic Chemistry RAS, 119991 Moscow, Russia
@Corresponding author E-mail:
DOI: 10.6060/mhc171258b
Macroheterocycles 2017 10(4-5) 514-519
The influence of the porphyrin and phthalocyanine ligand nature onto the yield and selectivity in the one-step synthesis of heteroleptic triple-decker early lanthanide (porphyrinato)(phthalocyaninates) is investigated with 6 porphyrins, 4 phthalocyanines and 2 lanthanides as examples. It is found that the presence of electron-donating substituents in the phthalocyanine macrocycle allows efficient one-step formation of symmetrical triple-decker complexes of [Por]Ln[Pc]Ln[Por] type. In contrast, in the case of unsubstituted phthalocyanine only formation of double-decker complex was observed. The method was found to be limited for the preparation of complexes, containing porphyrins with unsubstituted meso-positions because of their degradation upon reaction course as well as porphyrins with bulky meso-substituents as a result of steric hindrances.


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