Unit 4 Organic Synthesis MJH Flashcards by Mr Hirst | Brainscape

Q

Chlorination of alkane

A

Free radicial mechanism

UV Light

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Q

Electrophilic Addition of HBr

A

HBr

Room Temp

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Q

Electrophliic addition of Br-Br

A

Bromine water

Room temp

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Q

Hydration of alkenes

A

Steam
High Pressure
Phosphoric Acid Catalyst

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Q

Hydorgenation

A

Hydrogen gas

Nickel Catalyst

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Q

Nucleophlic substitution to form a alcohol

A

Sodium Hydroxide solution

Reflux in water

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Q

Nucleophlic substitution to form a ammonia

A

Ammonia solution

in exess

Reflux under pressure

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Q

Nucleophlic substitution to form a nitrile

A

Potassium Cyanide

Relfux then in ethanol

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Q

Elimination

A

Sodium Hydroxide

Reflux in ethanol

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Q

Dehydration

A

Conc. Sulphuric acid or conc. phosphoric acid

Reflux 180 degrees

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Q

Oxidation of primary alcohol

A

Acidified potassium dichromate

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Q

Oxidation of aldehyde

A

Acidified potassium dichromate

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Q

Oxidation of secondary alcohol

A

Acidified potassium dichromate

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Q

Reduction of carboxylic acid

A

Lithium Aluminium Hydride

Reflux in ethoxyethane

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Q

Reduction of aldhyde

A

Sodium tetraborohydride NaBH4

warm water or ethanol

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Q

Reduction of ketone

A

Sodium tetraborohydride NaBH4

warm water or ethanol

Q

Estification

A

Carboxylic acid and alcohol

Conc Sulphuric Acid

Q

Hydrolysis of esters

A

Dilute acid or alkali

under reflux

Q

Bromination of alcohols

A

Conc HBr

Conc Sulphuric

Reflux