Synthesis and Guest Recognition Ability of 2,3-Dimethoxy-1,4-phenylene-Containing Porphyrinoids
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The acid-catalyzed condensation of the bispyrrolylbenzene derivative and benzaldehyde yielded macrocycles 1 and 2 bearing three and four dipyrrin units which are connected by 2,3-dimethoxy-1,4-phenylene rings. The cationic guest recognition ability of 1 was investigated by UV−vis absorption, 1H NMR spectroscopic techniques, and ab initio calculations (HF/3-21G(*)). The tris-dipyrrin macrocycle 1 was found to recognize alkali metals in the O6 binding cavity.
创建时间：
2008-10-16
