Bis(2,3-naphthalocyaninato)lutetium(III) and (2,3-Naphthalocyaninato)(phthalocyaninato)lutetium(III) Complexes: Synthesis, Spectroscopic Characterization, and Electrochemistry

Double-decker Yttrium(III) Complexes with Phthalocyaninato and Porphyrinato Ligands

“…Unsubstituted double-decker 1 was prepared in 30% yield by treating Y(acac) 3 ÁH 2 O with Li 2 (Pc) in refluxing TCB, while the substituted analogues 2 and 3 were synthesized by treating Y(acac) 3 ÁH 2 O with the corresponding phthalonitriles and DBU in amyl alcohol. The latter method appears to be more general than the former, especially for substituted double-deckers, as dilithium phthalocyaninates with side chains are rather difficult to prepare and purify and, more importantly, control of the reaction temperature seems to be very critical in their reactions with metal salts [33,34]. The above methods are obviously not suitable for preparing heteroleptic complexes, as mixtures of products will inevitably be formed.…”

Towards chiral 1,2-naphthalocyanines: 2. Synthesis of lutetium bismacrocyclic derivatives

“…A correlation may be attempted when the monophthalocyanine is transformed into the corresponding reduced bisphthalocyanine Pc 2 Lu À : the H4', H5' protons, which are the further from the inner conjugated ring, remain at the same chemical shift, whereas the protons close to the inner ring, H3', H6' are shifted downfield by approximately 0.6 ppm ( Table 3). The couple of protons (H3', H6') and (H4', H5') are unshifted when going from Pc 2 Lu À to 2,3-NcLuPc À [15]. Consequently, it is possible to assign the corresponding protons in the case of 1,2-Nc C S LuPc À (the chemical shifts of 2,3-NcLuPc À are roughly the same in DMF-d 7 and DMSO-d 6 ).…”

“…Consequently, it is possible to assign the corresponding protons in the case of 1,2-Nc C S LuPc À (the chemical shifts of 2,3-NcLuPc À are roughly the same in DMF-d 7 and DMSO-d 6 ). The assignment of the protons of 1,2-Nc AE Li 2 has been previously described [15] and is figured in Table 3. A one-to-one correspondence between the chemical shifts found for 1,2-Nc AE Li 2 and 1,2-Nc C S LuPc À may be easily found.…”

“…This will not be considered in subsequent sections. The synthesis of mixtures of different isomers of lutetium 1,2-naphthalocyanines complexes (1,2-Nc) 2 Lu and (1,2-Nc) 3 Lu 2 has been published [15,16]. In a previous paper [13] we reported, for the first time, the separation of the four isomers of a magnesium 1,2-naphthalocyanine derivative (1,2-NcMg).…”

Perylene diimide-appended mixed (phthalocyaninato)(porphyrinato) europium(III) double-decker complex: Synthesis, spectroscopy and electrochemical properties

“…Upon addition of ca. 1% hydrazine hydrate, the double-decker unit was reduced to the corresponding monoanion [52], thereby making the two macrocyclic ligands become diamagnetic, and well-resolved spectra with virtually all the expected signals were observed for 3, Fig. S3 (Supporting information).…”