Royal Society of Chemistry, RSC Advances, 110(5), p. 90645-90650
DOI: 10.1039/c5ra17859b
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The synthesis of the first soluble thieno[3,2-b]thiophene based porphyrazine (ZnTTPz) is reported from the cyclisation of 2,3-dicyano-5-octylthieno[3,2-b]thiophene.