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O-Chem 241a > Alkene Reactions > Flashcards

Alkene Reactions Flashcards

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1
Q

hydro-halogenation: reagents

A

H-X

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2
Q

hydro-halogenation: stereoselectivity

A

none

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3
Q

hydro-halogenation: intermediate and rearrangement

A

C+, yes it can be rearranged

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4
Q

hydro-halogenation: regioselectivity

A

Markovnikov

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5
Q

hydration: reagents

A

H2O mixes with strong acid

  • H2SO4
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6
Q

hydration: stereoselectivity

A

none, yes syn and anti

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7
Q

hydration: intermediate and rearrangement

A

C+, yes it can be rearranged

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8
Q

hydration: regioselectivity

A

Markovnikov

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9
Q

halogenenation: reagent

A

X2

  • Br2
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10
Q

halogenenation: regio-selectivity

A

symmetrical, but nucleophile Br- adds to more substituted C

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11
Q

halogenenation: sterioselectivity

A

anti

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12
Q

halogenenation: intermediate and rearrangment

A

bromonium, no rearrangment

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13
Q

halohydrin formation: reagent

A

Br2

=====>

H2O

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14
Q

halogenenation: regioselectivity

A

Br adds to less substituted C, OH adds to more substituted C

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15
Q

halogenenation: stereoselectivity

A

anti

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16
Q

halogenenation: intermediate anss rearrangement

A

Bromonium, no rearrangment

17
Q

borohydride hydration: reagent

A

BH3

=====>

H2O

18
Q

borohydride hydration: regioselectivity

A

Anti- Markovnikov

19
Q

borohydride hydration: stereoselectivity

A

Syn

20
Q

borohydride hydration: intermediate and rearrangment

A

Dont need to know, no rearrangment

21
Q

hydrogenation: reagents

A

H2

=====>

Pd/C

22
Q

borohydride hydration: regioselectivity

A

symetrical reagent

23
Q

borohydride hydration: stereoselectivity

A

Syn

24
Q

borohydride hydration: intermediate and rearrangement

A

O-Chem 241a (3 decks)

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