16- Organic Synthesis Flashcards

1
Q

Alkene to alkane

A
  • H2
  • Nickel Catalyst
    “Hydrogenation”
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2
Q

Alkane to haloalkane

A
  • Halogen
  • UV rays
    “Radical substitution”
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3
Q

Alkene to Haloalkane

A
  • HX (hydrogen halide)
  • 20 degrees
    “Electrophilic addition”
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4
Q

Alkene to Alcohol

A
  • steam = H2O (g)
  • conc H3PO4 catalyst
    “Hydration of alkene”
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5
Q

Alcohol to alkene

A
  • conc H2SO4 (or H3PO4)
  • heat
    “Dehydration of alcohols”
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6
Q

Haloalkane to alcohol

A
  • NaOH (aq)
  • H2O
  • Reflux
    “Nucleophilic substitution”
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7
Q

Alcohol to Haloalkane

A
  • NaX (sodium halide)
  • H2SO4
  • 20 degrees
    “Substitution reaction of alcohols”
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8
Q

Primary alcohol to aldehyde

A
  • heat & distil
  • K2Cr2O7 / H2SO4
    “Oxidation of alcohols”
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9
Q

Primary alcohol to carboxylic acid

A
  • heat under reflux
  • K2Cr2O7 / H2SO4
    “Oxidation”
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10
Q

Secondary alcohol to ketone

A
  • heat under reflux
  • K2Cr2O7 / H2SO4
    “Oxidation”
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11
Q

Haloalkane to nitrile

A

NaCN or KCN in ethanol
Reflux

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12
Q

Nitrile to Amine

A

H2 / Ni catalyst

Reduction

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13
Q

Haloalkane to amine

A

NH3 in ethanol

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14
Q

Aldehyde/ ketone to hydroxynitrile

A

NaCN / H+

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15
Q

Primary alcohol to ester

A

-COOH (carboxylic acid) and H2SO4

Esterification

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16
Q

Carboxylic acid to ester

A

Alcohol and H2SO4

17
Q

Ester to carboxylic acid

A

Dilute hot aqueous acid and H2O

Hydrolysis

18
Q

Acyl chloride to ester

A

Alcohol

19
Q

Ester to carboxylate salt + alcohol

A

NaOH and hot aqueous alkali

20
Q

Nitrile to carboxylic acid

A

H2O, HCl, heat

21
Q

Carboxylic acid to acyl chloride

A

SOCl2

22
Q

Acyl chloride to primary amide

A

NH3

23
Q

Acyl chloride to secondary amide

A

Primary amine

24
Q

Aldehyde / ketone to alcohol

A

NaBH4 and H2O

Reduction

25
Q

Ester to alcohol

A

Dilute acid or alkali, reflux

26
Q

Hydroxynitrile to amine

A

H2, nickel catalyst, high temp and pressure
OR
LiAlH4 then dilute acid
OR Na and ethanol, reflux

27
Q

Acyl chloride to carboxylic acid

A

Cold H2O

28
Q

Hydroxynitrile to carboxylic acid

A

H2O, HCl, heat