Chad provides a comprehensive lesson on Sigmatropic Rearrangements. He introduces the topic with a [1,5] sigmatropic rearrangement and with a Cope Rearrangement, a [3,3] sigmatropic rearrangement, and shows how the numerical designations are determined. He concludes the lesson with the Claisen rearrangement of allylicvinyl ethers and the Aromatic Claisen rearrangement with allylicphenyl ethers.

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00:00 Lesson Introduction
00:47 A [1,5] Sigmatropic Rearrangement
05:22 Cope Rearrangement
08:31 Claisen Rearrangement
11:27 Aromatic Claisen Rearrangement

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