SCHEDULED MAINTENANCE
The decarboxylation of sodium 3-(fluoren-9-ylidene)-2-phenylacrylate in tetrahydrofuran is greatly accelerated (![[gt-or-equal]](https://www.rsc.org/images/entities/char_2a7e.gif)
105) by addition of dibenzo-18-crown-6-ether and is very sensitive to the solvent, pointing to an important role for ion-pairing and H-bonding.
D. H. Hunter, W. Lee and S. K. Sim, J. Chem. Soc., Chem. Commun., 1974, 1018 DOI: 10.1039/C39740001018
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