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PHOTOCHROMIC DIFURYLETHENE BISALDEHYDE AS POTENTIAL BUILDING BLOCK FOR [AA] AND [AB]2 MACROCYCLIZATION

Dmytro Sysoiev, Carolyn Barnes, Thomas Huhn
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Abstract


Catalyst- and template-free condensation of photochromic difurylethene bisaldehyde with o-phenylenediamine led to selective formation of macrocyclic Schiff base [AB]2 product. Application of the same difurylethene bisaldehyde in the McMurry reaction resulted in cyclic dimer formation in moderate yield. No linear oligomers were observed in both approaches.

Keywords


difurylethene bisaldehyde; Schiff base macrocycle; McMurry reaction.

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