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AQA A Level Chemistey Synthetic Routes > Synthetic Routes (conditions + Mechanism) > Flashcards

Synthetic Routes (conditions + Mechanism) Flashcards

1
Q

Alkene -> poly(alkene)

A

High pressure
Catalyst

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2
Q

Alkene -> dihalogenoalkane

A

Br2/Cl2 , room temp , Electrophilic addition

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3
Q

dihalegenoalkane -> diol

A

KOH , aqueous heat under reflux , nucleophilic substitution

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4
Q

Alkene -> alcohol

A

Step 1 : H2SO4 (electrophilic addition )
Step 2 : H20 warm hydrolysis

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5
Q

Alcohol ->Alkene

A

Conc H2SO4/H3PO4
Elimination, dehydration

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6
Q

Primary Alcohol -> aldehyde

A

Na2Cr2O7/H+ (or acidified potassium dichromate) heat and distill , partial oxidation

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7
Q

Secondary alchahol -> ketone

A

Na2Cr2O7/H+ (or acidified potassium dichromate) heat , oxidation

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8
Q

Aldehyde/ ketone -> alcohol

A

NaBH4 , reduction , nucleophilic addition

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9
Q

Aldehyde/ ketone -> hydroxynitrile

A

KCN + H2SO4 , nucleophilic addition

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10
Q

Aldehyde -> carboxylic acid ( from primary alcohol)

A

K2Cr207/H+ or NaCr2O7/H+
Heat under reflux + excess oxidising agent
(Oxidation)

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11
Q

Alcohol -> ester

A

Carboxylic acid + H2SO4
Heat
Esterification

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12
Q

Carboxylic acid -> ester

A

Alcohol + H2SO4
Heat
Esterification

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13
Q

Acyl chloride / acid anhydride -> carboxylic acid

A

H20 ,Room temp , Nucleophilic addition/elimination

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14
Q

Acyl chloride/Acid anhydride -> ester

A

Alcohol
Room temp
Nucleophilic addition/elimination

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15
Q

Acyl chloride/ acid anhydride -> primary amide

A

NH3
Room temp
Nucleophilic addition/elimination

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16
Q

Acyl chloride/ acid anhydride-> secondary amide

A

Primary amine
Room temp
Nucleophilic addition/elimination

17
Q

Primary amine -> secondary amide

A

Acyl chloride
Room temp
Nucleophilic addition/elimination

18
Q

Primary amine -> secondary amine/tertiary amine/quaternary salt

A

Halegenoalkane
Nucleophilic substitution

19
Q

Nitrile -> primary amine

A

LiAlH4 in ether reduction / H2 ni catalyst

20
Q

Halegenoalkane -> nitrile

A

KCN in ethanol
Water mixture heat under reflux
Nucleophilic substitution

21
Q

Halegenoalkane -> primary amine

A

Alcoholic NH3
Heat under pressure
Nucleophilic substitution

22
Q

Alkane -> Halegenoalkane

A

Br2/cl2
Uv light
Free radical substitution

23
Q

Halegenoalkane -> alchahol

A

KOH aqueous heat under reflux
Nucleophilic substitution

24
Q

Halegenoalkane-> Alkene

A

KOH Alcoholic heat under reflux
Elimination

25
Alkene -> Halegenoalkane
HBr/HCl room temp Electrophilic addition
26
Whole synthetic routes diagram for copy,cover,write,check

AQA A Level Chemistey Synthetic Routes (2 decks)

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