Miscellaneous - Retro-Ene reaction

Decomposition of 1-pentene

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This is an example of an retro-ene reaction, showing the decomposition of 1-pentene to ethylene and 1-propene. The proposed mechanism for this reaction is the transfer of one hydrogen atom from the methyl end of pentene, to the opposite methylene carbon. This is followed by the simultaneous breaking of a C-C single bond leading to the formation of two products.