Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
μ-Oxo-Bridged Subphthalocyanine Dimers: Preparation and Characterization by X-ray Structure Analysis
Yasuhiro YamasakiTomohiro Mori
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2011 Volume 84 Issue 11 Pages 1208-1214


In connection with our previous research on μ-oxo-bridged metal phthalocyanine dimers, we have synthesized μ-oxo-bridged subphthalocyanine dimers (μ-oxo subpc dimers) with various peripheral substituents and studied their properties. Compared to the corresponding subpc monomer, the Q-band absorption of subpc dimers broadens, the wavelength undergoes a blue shift by approximately 30–35 nm, and the molar absorptivity is enhanced almost 1.5–2.0 times. Additionally, its solubility in various organic solvents is much improved. We carried out an X-ray crystal structure analysis of [{B(subpc)}2O] and provided a direct observation of its asymmetric structure for the first time.

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© 2011 The Chemical Society of Japan
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