W4L4: Electrophilic addition reactions: more advanced
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6 Terms
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Electrophilic addition to alkenes
Alkenes can act as nucleophiles, and halogens can add to them
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Stereospecificity
The two groups always add anti to one another
Stereospecific but not asymmetric – gives two enantiomers out of four possible diastereomers
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Electrophilic addition: mechanism
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Specificity
Nucleophile must attack sigma orbital of C-X bond - backside attack
More substituted carbon is better at supporting positive charge
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Electrophilic addition: energies
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Electrophilic addition to alkynes
Alkynes can also act as nucleophiles, and halogens can add to them
Note 
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