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Organic Chem > Esters > Flashcards

Esters Flashcards

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1
Q

Preparation of Esters

A
  1. Alcohol with carboxylic acid
  2. Alcohol with acyl chloride
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2
Q

Alcohol with carboxylic acid

A

Type of reaction: esterification, condensation, dehydration
Condition: heat under reflux, sulfuric acid catalyst

alcohol + carboxylic acid ⇌ ester + water

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3
Q

Alcohol with acyl chloride

A

Type of reaction: esterification, addition-elimination, condensation
Condition: mix at room temperature

alcohol + acyl chloride –> ester + HCl

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4
Q

Hydrolysis with acid

A

Condition: heat under reflux
ester + acid ⇌ carboxylic acid + alcohol

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5
Q

Hydrolysis with alkali

A

Condition: heat under reflux
ester + alkali –> carboxylic acid anion + alcohol
carboxylic acid anion + H+ (excess strong acid) –> carboxylic acid

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6
Q

Transesterification with acid

A

replaces acid part

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7
Q

Transesterification with alcohol

A

replaces alcohol part

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8
Q

Polyester

A

monomers with same group on each side –> polyester

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Organic Chem (18 decks)

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