File talk:1,4-Wittig rearrangement.svg
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The mechanism shown in the picture assumes a stepwise process for the [1,4] Wittig rearrangement, however, a concerted mechanism (in which no radical species, or fragments are formed) is also possible.
- File:1,4-Wittig rearrangement concerted.svg was uploaded. Is this OK? --Su-no-G (talk) 06:48, 15 February 2009 (UTC)