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Organic Chemistry II > Hydroboration/Oxidation > Flashcards

Hydroboration/Oxidation Flashcards

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1
Q

mode?

A

indirect

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2
Q

purpose?

A

addition of H2O across double bond to form alcohol

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3
Q

Markovnikov or anti?

A

anti-Markovnikov

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4
Q

syn or anti?

A

syn

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5
Q

steps?

A

2 steps

3 alkene + BH3/THF complex

add H2O2, NaOH (aq)

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6
Q

weird BH3/THF step

A

4 membered ring with BH3

B-H bond breaks to form new C-H bond and B-C bond

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7
Q

reagent?

A

B2H6 diborane: toxic/flammable/explosive gas

2 “BH3” borohydride: highly reactive

B has 6 val e-

BH3 complexes THF

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Organic Chemistry II (56 decks)

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