Abstract
Copper p-toluenesulfonate/acetic acid was found to be an efficient, chemoselective synergistic catalytic system, with catalyst loading as low as 0.3 mol% leading to clean, high-yielding tetrahydropyranylation of a variety of alcohols and phenols. By simple phase-separation, copper p-toluenesulfonate can be easily recovered and reused for several times without deterioration in catalytic activity.
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Correspondence: Min Wang, College of Chemistry and Chemical Engineering, Bohai University, Jinzhou, China.
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Wang, M., Song, ZG., Jiang, H. et al. Copper p-toluenesulfonate/acetic acid: a recyclable synergistic catalytic system for the tetrahydropyranylation of alcohols and phenols. Monatsh Chem 139, 601–604 (2008). https://doi.org/10.1007/s00706-007-0821-0
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DOI: https://doi.org/10.1007/s00706-007-0821-0