Direct Conversion of Alcohols to Acetals and H2 Catalyzed by an Acridine-Based Ruthenium Pincer Complex
- 13 February 2009
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 131 (9), 3146-3147
- https://doi.org/10.1021/ja808893g
Abstract
The crystallographically characterized ruthenium complex RuHCl(A-iPr-PNP)(CO) (1) [A-iPr-PNP = 4,5-bis-(diisopropylphosphinomethyl)acridine], which bears a nonplanar acridine moiety, catalyzes in a neutral medium the transformation of primary alcohols to the corresponding acetals with the liberation of H2. In the presence of base, complex 1 catalyzes the dehydrogenative coupling of alcohols to form esters. Acetal formation may involve hemiacetal dehydration to form an enol ether followed by alcohol addition to the double bond.Keywords
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