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CHEM 6.1 Aromatic compounds, carbonyls and acids > Esters > Flashcards

Esters Flashcards

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1
Q

naming esters

e.g CH3COOC2CH3

A

alcohol prefix -yl
carboxylic acid/derivative suffix -anoate
ethyl ethanoate

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2
Q
  1. Carboxylic acid + alcohol
  2. methanoic acid + methanol
  3. HCOOH + CH3OH
  4. catalyst
  5. reversible reaction so need to
A
  1. ester + water
  2. methyl methanoate + water
  3. HCOOCH3 +
  4. conc sulfuric acid
  5. separate product as formed. large ester = reflux & fractional distillation. small ester = distil
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3
Q
  1. Acid anhydride + alcohol

2. ethanoic acid + methanol

A
  1. ester + carboxylic acid

2. methyl ethanoate +

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4
Q

acid anhydride

how to make an acid anhydride

A

carboxylic acid + carboxylic acid

RCOOCOR

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5
Q

hot aq acid hydrolysis

A
  1. splits ester into carboxylic acid and alcohol
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6
Q

hot aq alkali (NaOH) hydrolysis

A
  1. splits ester into carboxylate salt + alcohol
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7
Q
  1. Acyl chloride + alcohol

ROCl

A

ester + hydrogen chloride

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CHEM 6.1 Aromatic compounds, carbonyls and acids (13 decks)

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