Pyridine and pyrazine analogues of TCNQ dianion salts

Add time:07/19/2019    Source:sciencedirect.com

Since the heteroquinonoid analogues of 7, 7, 8, 8-tetracyano-1, 4-benzoquinodimethane (TCNQ) are very interesting as potential electron acceptors, we have undertaken the syntheses of pyridine-TCNQ and dimethyl pyrazine-TCNQ. They were not isolated in the neural states but as the dianion salts. The cyclic voltammetry of the dianion salts indicates that pyridine-TCNQ is a much stronger electron acceptor than TCNQ and dimethyl pyrazine-TCNQ is a further stronger one than the former. The TTF complexes of pyridine-TCNQ and dimethyl pyrazine-TCNQ were prepared using the dianion salts and electrically highly conductive.

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