Abstract

Elimination reactions can be very useful in organic synthesis for producing alkenes, alkynes, and allenes on a preexisting scaffold. Synthetic issues associated with eliminations include the suppression of substitution and rearrangement as well as the control of regiochemistry and stereochemistry. Factors determining selectivity and suitability in synthesis will be discussed and methods involving stereoselective and stereospecific transformations to di-, tri-, and tetrasubstituted alkenes will be disclosed. Elimination reactions that form alkynes and both enantioenriched and racemic allenes are also featured. Recent examples of the use of elimination reactions in the synthesis of complex natural products will be showcased.

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