DUAL MECHANISMS OF THE ARYL GROUP ROTATION IN 9-(3,5-DIMETHYLBENZYL)TRIPTYCENE DERIVATIVES
- 5 October 1979
- journal article
- research article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 8 (10) , 1251-1254
- https://doi.org/10.1246/cl.1979.1251
Abstract
9-(3,5-Dimethylbenzyl)triptycene derivatives exchange their two m-methyl groups by two mechanisms: rotation about the CH2–Ar bond and synchronous rotation about the CH2–Ar and the CH2–C9 bonds. The relative contribution of the processes is dependent on the peri-substituents.Keywords
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