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Carbocation Rearrangement With Ring Contraction/ Pinacol-Pinacolon Rearrangement (with an example) - YouTube
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organic chemistry - Semipinacol-type rearrangement leading to ring expansion - Chemistry Stack Exchange
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organic chemistry - Is Pinacol rearrangement the source for the ring expansion? - Chemistry Stack Exchange
![This reaction takes place via a pinacol rearrangement. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. | Homework.Study.com This reaction takes place via a pinacol rearrangement. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/cms35424307164124769489.jpg)