1. Write A for anti- addition or S for syn-addition to alkenes on the line provi
ID: 1063565 • Letter: 1
Question
1. Write A for anti- addition or S for syn-addition to alkenes on the line provided for each of the following:
_______ Hydroxylation with cold Permanganate oxidation
---------------Catalytic hydrogenation
-------------Bromination
-----------------Chlorination
_______ Halohydrin formation
___ Hydroxylation with Osmium tetroxide
_______ Hydroboration/oxidation (Non-Markovnikov addn)
_______ Hydroxylation by acid -catalyzed epoxide hydrolysis
_______ Epoxidation with a peroxyacid
________Carbenes addition to yield cyclopropanes
_________ Ozonolysis in forming the molozonide
Explanation / Answer
1. Write A for anti- addition or S for syn-addition to alkenes on the line provided for each of the following:
S_______ Hydroxylation with cold Permanganate oxidation (through concerted pathway)
S---------------Catalytic hydrogenation (through concerted pathway)
A-------------Bromination (through cyclic bromonium ion)
A-----------------Chlorination (through cyclic chloronium ion)
A_______ Halohydrin formation (through cyclic bromonium ion)
S ___ Hydroxylation with Osmium tetroxide (through concerted pathway)
S_______ Hydroboration/oxidation (Non-Markovnikov addn) (through concerted pathway)
A_______ Hydroxylation by acid -catalyzed epoxide hydrolysis (anti addition)
S_______ Epoxidation with a peroxyacid (through concerted pathway)
S________Carbenes addition to yield cyclopropanes (through concerted pathway)
S _________ Ozonolysis in forming the molozonide (through concerted pathway)
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