The R-OH Flashcards

1
Q

Alkene to ROH

A

Reflux with H2SO4 followed by warm water

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2
Q

Alkaline hydrolysis pf [] gives ROH

A

RX —(Na/KOH and reflux)—> ROH + Na/KX

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3
Q

1° ROH from aldehyde

A

Reflux with aq NaBH4 or LiAlH4 in dry ether

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4
Q

Ketone to ROH

A

Reflux with aq NaBH4 or LiAlH4 in dry ether

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5
Q

Alcohol from RCOOH or derivative

A

Reflux with LiAlH4 in dry ether

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6
Q

Conditions for ester hydrolysis

A

Reflux with H+ or OH-

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7
Q

Eq using RCOOR of alkaline and acid hydrolysis

A

H+. RCOOR + H2O -> ROH + RCOOH

OH-. RCOOR + OH- -> ROH + RCOO-

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8
Q

ROH from griniards

A

RMgX + carbonyl in dry ether

Followed by aq workup

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9
Q

Will Na2Cao3 Rn with alcohols

A

Alcohols will show no reaction

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10
Q

Will alcohols react with Na

A

As acids yes

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11
Q

Oxidation of primary ROH

A

Reflux with H+/MnO4- to give aldehyde then carboxylic acid

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12
Q

To stop at aldehyde during oxidation

A

Add Cr2O7.2- dropwise and distill off the aldehyde as soon as it forms

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13
Q

Ketone from alcohol

A

Oxidise via acidified potassium permanganate and reflux

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14
Q

Conditions for the Iodoform

A

+I2 in c.NaOH

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15
Q

What alcohols will react in iodoform

A

Those with CH3-CH(R)-OH

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16
Q

In iodoform, the alcohol will give

A

The iodoform and carboxylate

17
Q

In iodoform I2 will become

A

Iodoform and I-

18
Q

Conditions for ROH esterification

A

+RCOOH + concentrated H2SO4 and reflux

19
Q

Iodination or Bromination of alcohols

A

Reflux with Red P and X2
Or
Reflux with HX - HCl needs ZnCl2 catalyst

20
Q

ROH chlorination

A

Reflux with PCl5/PCl3/SOCl2

21
Q

Alcohol to -ene

A

+ H3PO4 @ 200°C

22
Q

Dehydration with H2SO4 @ 140°C of ROH

A

Gives ethers

23
Q

CO and H2 to methanol

A

CO + 2H2 with ZnO and Cr2O3 catalysts @ 300°C

24
Q

Ethene steam hydration

A

Ethene + steam @300°C and 60-70 atm with SiO2 coated with H3PO4 for catalyst