Chapter 14 Flashcards

(21 cards)

1
Q

Williamson ether synthesis

A

ethers are prepared

works on methyl and primary alkyl halides `

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2
Q

Williamson ether synthesis - reagents

A

NaH

RX

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3
Q

Alkoxymercuration - demurcation

A

alcohol replaces water to form markovnikov addition of alcohol across alkene

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4
Q

Alkoxymercuration - demurcation - reagents

A

1) Hg(OAc) ROH

2) NaBH4

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5
Q

Acidic Cleavage

A

when heated with acid ether will undergo acidic cleavage

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6
Q

Acidic Cleavage - reagents

A

xs HX

heat

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7
Q

Acidic Cleavage - phenyl ether

A

when cleaved under acidic conditions, produces a phenol and alkyl halide

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8
Q

Autooxidation

A

ethers undergo autooxidation in presence of O2 to form hydroperoxides

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9
Q

Autooxidation - reagents

A

O2

Slow

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10
Q

Ether preparation - reagents

A

H3O+

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11
Q

preparation with peroxy acids

A

alkenes are converted into epoxides upon treatment with peroxy acids

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12
Q

preparation with peroxy acids - reagents

A

RCO3H or

MCPBA

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13
Q

Preparation from halohydrins

A

alkenes can be converted to halohydrins with treated with halogen

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14
Q

Preparation from halohydrins - reagents

A

Br2
H2O
NaOH

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15
Q

Epoxide to alkene

A

Br2
H2O
NaOH

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16
Q

Ring opening reactions of epoxide - base - reagents

17
Q

Acid catalysed ring opening - primary and secondary

A

primary is attacked

18
Q

Acid catalysed ring opening - primary and tertiary

A

tertiary is attacked

19
Q

Acid catalysed ring opening - reagents

20
Q

Grignard reagent - ketone or aldehyde

A

aldehyde or ketone will appear of first carbon

21
Q

grignard reagent - epoxide

A

C=O is on second carbon