F. Odobel et al., An efficient synthetic approach to highly conjugated porphyrin-based assemblies containing a bipyridine moiety, ORG LETT, 2(2), 2000, pp. 131-133
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An efficient and potential stepwise strategy involving the mixed sequence o
f Stille and Wittig-Horner reactions was used for the preparation of a poly
ene substituted bis-porphyrin incorporating a bipyridine moiety.