Equilibrium acidities of cinchona alkaloid organocatalysts bearing 6′-hydrogen bonding donors in DMSO

Literature Information

Publication Date 2015-12-09
DOI 10.1039/C5QO00305A
Impact Factor 5.281
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Abstract

The pKa values of 18 cinchona alkaloid based organocatalysts bearing 6′-hydrogen bonding donors were determined by the overlapping indicator method in DMSO via UV spectrophotometric titrations. The pKa values are in the range of 6.76–20.24.

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Organic Chemistry Frontiers

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