Tetrakis(4-bromophenoxy)phthalocyanine and its metal complexes (M = Mg, Co, Cu, Zn) were synthesized. Sulfochlorination of these compounds followed by hydrolysis of the sulfochlorides gave tetrakis(2-sulfo-4-bromophenoxy)phthalocyanine and corresponding sulfonated metallophthalocyanines (except M = Cu). Spectral properties of the compounds synthesized were investigated. It was shown that the introduction of sulfo groups leads to a bathochromic shift of the Q-band in the absorption spectra recorded in DMF and to a hypsochromic shift of the Q-band in the absorption spectra recorded in sulfuric acid.

中文翻译：

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四（4-溴苯氧基）酞菁、其金属配合物及其磺化衍生物：合成和光谱特性

合成了四（4-溴苯氧基）酞菁及其金属配合物（M = Mg、Co、Cu、Zn）。这些化合物的磺氯化作用，然后是磺氯化物的水解，得到四（2-磺基-4-溴苯氧基）酞菁和相应的磺化金属酞菁（M = Cu 除外）。研究了合成化合物的光谱特性。结果表明，引入磺基会导致 DMF 中记录的吸收光谱中 Q 带的红移，以及硫酸中记录的吸收光谱中 Q 带的低色移。