High Yielding and Practical Synthesis of Rotaxanes by Acylative End-Capping Catalyzed by Tributylphosphine
- 1 October 1999
- journal article
- research article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 28 (10) , 1015-1016
- https://doi.org/10.1246/cl.1999.1015
Abstract
A pseudorotaxane was prepared from dibenzo-24-crown-8 and a dibenzylammonium salt possessing dimethylphenyl and hydroxy groups at the both termini. Acylation of the pseudorotaxane by 3,5-dimethylbenzoic anhydride in the presence of tributylphosphine afforded corresponding rotaxane in 90% yield. Various rotaxanes were readily synthesized in excellent yields by this method.Keywords
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