A strategy is set out for the design and synthesis of a series of cyclic porphyrin oligomers which should be able to bind two or more substrate molecules, catalyse a reaction between them and release the product(s). Exploratory syntheses and some spectroscopic properties of butadiyne-linked cyclic dimer, trimer and tetramers of two meso-diaryl porphyrins are described in detail.
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Anderson et al. (1995) studied this question.
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