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Organic Chemistry > Chapter 23 > Flashcards

Chapter 23 Flashcards

1
Q

preparation of amine from alkyl halide

A

prepared from alkyl halide in which alkyl halide is converted to nitride which is then reduced.

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2
Q

preparation of amine from alkyl halide - reagents

A

NaCN
LAH
H2O

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3
Q

Preparing amine from Carboxylic Acid

A

can be prepared from COOH

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4
Q

Preparing amine from Carboxylic Acid - reagents

A

SOCl2
xs NH3
LAH
H2O

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5
Q

to reduce COOH to CONH2

A

SOCl2

xs NH3

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6
Q

Alkylation of ammonia - reagents

A

R-I

NH3

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7
Q

Azide synthesis

A

to prepare primary amines as it avoids formation of secondary and tertiary halide

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8
Q

Azide synthesis - reagents

A

NaN3
LAH
H2O

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9
Q

Gabriel Synthesis

A

to prepare primary amines and avoid secondary and tertiary

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10
Q

Gabriel Synthesis - reagents

A

potassium phthalimide

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11
Q

Gabriel Synthesis - acidic conditions

A

treated with a base to release uncharged amine

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12
Q

Reductive amination

A

aldehydes and ketones can be converted into imines when treated with ammonia with acidic conditions

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13
Q

Reductive amination - reagents

A

[H+]
NH3
NaBH3CN

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14
Q

Acylation of amines

A

must acylate amino to acylate the amine group

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15
Q

Hofmann elimination

A

amines can serve as precursors in preparation of alkenes
amino must be treated with xs CH3I to created good leaving group
less substituted alkene occurs

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16
Q

Hofmann elimination - reagents

A

xs CH3I

Ag2O H2O heat

17
Q

Secondary amines and nitrous acid - reagents

A

NaNO2

HCl

18
Q

Primary amines and nitrous acid

A

produces diazonium salt

19
Q

Reactions of sryldiazonium ions

A

aryl amines are converted into aryldiazonium upon treatment with nitrous acid

20
Q

Reactions of aryldiazonium ions - reagents

A

NaNO2

HCl

21
Q

Sandmeyer Reactions

A

uses copper salts to install halogens or cyano group onto aryldiazonium salt

22
Q

Sandmeyer Reactions - cyano group

A

hydrolysed in acid to add COOH onto aromatic ring

23
Q

Sandmeyer Reactions - cyano group- reagents

A

H3O+

heat

24
Q

Fluorination

A

aryldiazonium salt is converted to fluorobenzene

25
Q

Fluorination - reagents

A

HBF4

26
Q

Alcohol aryldiazonium salt

A

produces alcohol on benzene ring

27
Q

Alcohol aryldiazonium salt - reagent

A

H2O

Heat

28
Q

Hydrogen aryldiazonium salt - reagent

A

H3PO2

29
Q

Hydrogen aryldiazonium salt

A

replaces diazo group with hydrogen to create benzene ring

30
Q

Azo coupling

A

addition of toulene to the diazo group

Organic Chemistry (7 decks)

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