Stable isomers of 1,6-bis-(1-cyano-1-methylethyl)triptycenes
Abstract
The isomers (1a) and (1b) of 1,6-bis-(1-cyano-1-methylethyl)triptycene have been prepared and found to be stable to thermal (half-life of 115 min at 200°) and photochemical interconversions.