Fig. 5: Plausible mechanism.
TfOH promotes mixed-acetal formation from 1a and 2a. Then, [3,3]-sigmatropic rearrangement and rearomatization provide compound 3a.
Fig. 5: Plausible mechanism. | Communications Chemistry
TfOH promotes mixed-acetal formation from 1a and 2a. Then, [3,3]-sigmatropic rearrangement and rearomatization provide compound 3a.
