Pd-Catalyzed Ortho C–H Hydroxylation of Benzaldehydes Using a Transient Directing Group
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https://figshare.com/articles/dataset/Pd-Catalyzed_i_Ortho_i_C_H_Hydroxylation_of_Benzaldehydes_Using_a_Transient_Directing_Group/5593294
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The direct Pd-catalyzed ortho C–H hydroxylation of benzaldehydes was achieved using 4-chloroanthranilic acid as the transient directing group, 1-fluoro-2,4,6-trimethylpyridnium triflate as the bystanding oxidant, and p-toluenesulfonic acid as the putative oxygen nucleophile. The unusual C–H chlorination and polyfluoroalkoxylation reactions signaled the importance of external nucleophiles to the outcome of Pd(IV) reductive eliminations.
创建时间：
2017-11-11
