1. E2 elimination of alkynes
Elimination reactions are reactions that split a single reactant into two products. Elimination reactions can then be categorized as either an E1 ( first order) or E2 (second order) reaction. In an E1 mechanism, a monomolecular elimination of water will result in an alkyl cation. In an E2 mechanism, a bimolecular reaction occurs in which water acts as a base, abstracting a -hydrogen. ... In both of these reactions trans-2-butene is the overwhelming product yield. ...
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