bromination of stibene - Marta Gebregziabher Discussion and...

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Marta Gebregziabher Discussion and Conclusion: Addition reaction of Alkenes: Bromination of ( E) - Stilbene 1. Addition reaction is a reaction that involved two molecules that combine to make a larger product. Addition reaction has two main types, electrophilic addition and nucleophilic addition. An electrophilic reaction is when the pi bond of a molecule is removed to make two covalent bonds that are bonded to two new molecules. A nucleophillic addition is a reaction that removed the pi bond from a molecule and adds covalent bonds with two new compounds. Halogenation or most commonly known as bromination is a reaction that breaks a pi bond and adds a halogen or in this case, a bromine to the molecule. This addition of the bromine can be very steroselective. Stereoselectivity can come from steric and electronic effects. Steric effect arise when two atoms ar brought close together, the resulting push of electrone clouds is what creates the significant change in shape. The steric and electronic chemistry affect the way the halogen react with the molecule. E-Stilbene is a hydrocarbon with a double
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This note was uploaded on 12/04/2009 for the course CHE 210 taught by Professor Swinnea during the Spring '08 term at University of Texas at Austin.

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bromination of stibene - Marta Gebregziabher Discussion and...

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