01:160:307 Chapter 6: Ch6
18 Jul 2016
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Additions catalytic addition electrophilic addition free radical addition bonding to one c bonding to two carbons making 3-, 4-, or 5-membered rings. A lewis acid is an electron pair acceptor, it is an electrophile. A lewis base is an electron pair donor, it is a nucleophile. Alkenes are lewis bases, electron pair donors, nucleophiles: general considerations a1. Alkenes may react with a reagent x y by placing substituent x at a specific carbon or randomly at either carbon. If the reaction occurs at a specific carbon, it is called regio-specific; a random reaction is regiorandom. a2. Oc 307 chapter 06 alkene reactions h. d. roth a3. Additions to alkenes may generate one or two chiral centers. Considering the two alkenes shown, there are three different possibilities. If a chiral centers is created, we need to determine whether. Specificity hydrohalogenation hydration bromination halohydrine formation oximercuration (/reduction) hydroboration (/oxidation) peracid oxidation ozonolysis (c=c cleavage) dihydroxylation (oxidation) bond to both cs.
