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22 26 alpha-, beta-, gamma-, and delta-hydride eliminations

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Physical Chemistry (PChem) 161 tutorials here
Chemistry

This video introduces the alpha-, beta-, gamma-, and delta-hydride eliminations in which the TM inserts into a C-H bond and forms a new M-H bond and a new M-C bond. “Two-“, three-, four-, and five-membered rings are formed (a.k.a, cyclometallation) in the hydride elimination reactions.