CH-2230 Chapter Notes - Chapter 9: Elimination Reaction, Alpha And Beta Carbon, Am General
18 Oct 2017
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Rate depend on concentration of alkyl halide and base. Basically: the base in the reaction removes a proton from the alkyl halide causing the halide to leave the molecule. The electrons from the bond between the carbon and hydrogen moves between the carbon bonded to the halogen and the carbon that used to be bonded to the hydrogen to form a double bond (alkene) When the base reacts with the electrophile the halide ion is knocked off and so is a proton. The base removes the proton and the electrons on the carbon that the proton is removed from are moved to the bond b/w carbons. Beta carbon= carbon that proton is removed from. When leaving group is removed from the carbon it briefly forms a carbocation but immediately changes as it forms a double bond with a beta carbon. Some molecules have two possibilities for double bonds btw beta carbons.
