Terphenyl derivatives 3 and 4 having OTBS groups have been synthesized via a Suzuki− Miyura coupling reaction. These compounds undergo unprecedented irreversible cyclization to symmetrically/unsymmetrically substituted triphenylenes while carrying out the deprotection of OTBS groups using tetrabutylammonium fluoride. Terphenyl 3 also serves as a new chemodosimeter for fluoride ions.
![([1,1':2',1''-terphenyl]-3,3'',4,4',4'',5'-hexaylhexakis(oxy))hexakis(tert-butyldimethylsilane) Structure](https://image.chemsrc.com/caspic/294/1206881-88-0.png)
