FIELD: chemistry.
SUBSTANCE: invention relates to a method for single-step synthesis of sandwich bis(phthalocyaninates) of rare-earth elements of general formula (I) and/or tris(phthalocyaninates) of rare-earth elements of general formula (II)
(I)
(II).
R and R' can independently or simultaneously take values of H, lower alkyl, as well as R+R' can be -OC(CH3)2O-; Ln = element from row of rare-earth elements. Method is realized from monophthalocyaninates of rare-earth elements of general formula III
(III),
where X = halogen, CH3COO, CH3COCHCOCH3, in an open or closed vessel at atmospheric or elevated pressure, respectively, and temperature of 290–430 °C with subsequent, if necessary, chromatographic separation of obtained products.
EFFECT: method enables synthesis of sandwich phthalocyaninates of rare-earth elements in air or in an inert atmosphere with high output.
1 cl, 1 tbl, 10 ex
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