Journal of Organic Chemistry p. 4637 - 4639 (1987)
Update date:2022-08-11
Topics:
Vedejs, E.
Fleck, T.
Hara, S.
The betaine 10, generated by deprotonation from deuterium-labeled 8-d, decomposes stereospecifically to the (Z)-alkene.The corresponding Wittig reaction of ylide 4 with cyclohexanecarboxaldehyde, which gives a 95:5 (E)-/(Z)-alkene ratio, therefore occurs under kinetic control, without equilibration or Wittig reversal.
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