Chemistry Letters p. 689 - 690 (1985)
Update date:2022-08-05
Topics:
Yamaguchi, Shunro
Hanafusa, Terukiyo
The reaction of terephthaloyl chloride with cyanotrimethylsilane in the presence of pyridine gave 1,4-bis(dicyanotrimethylsiloxymethyl)benzene, which was treated with POCl3-pyridine to afford tetracyanoquinodimethane (TCNQ) along with its dichloride.Similarly, 2,5-dimethyl-TCNQ and 2-bromo-TCNQ were prepared from the corresponding tetraphthaloyl chlorides.
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