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CHEM1200 > Reaction Mechanisms > Flashcards

Reaction Mechanisms Flashcards

1
Q

Aldehyde/Ketone + water with acid catalyst

A

Forms di-ol

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2
Q

Aldehyde/ketone with excess alcohol and acid catalyst

A

first a hemiacetal is formed

acid catalyses reaction between hemiacetal and alcohol to produce acetal

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3
Q

Aldehyde/ketone + NaBH4

A

alcohol

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4
Q

Aldehyde/ketone + 1.LiAlH4 2.H2O (acid catalyst)

A

alcohol

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5
Q

aldehyde/ketone + R’NH2

A

imine + water

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6
Q

acid chloride + alcohol

A

ester + HCl

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7
Q

acid chloride + RNH2

A

RNH replaces chlorine + HCl

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8
Q

acid chloride + deprotonated carboxylic acid

A

anhydride + Cl-

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9
Q

carboxylic acid with catalyst of SOCl2 or PCl5

A

acid chlorise

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10
Q

ester + OH

A

deprotonated carboxylic acid + alcohol

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11
Q

ester + water with acid catalyst

A

carboxylic acid + alcohol

rxn in equilibrium

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12
Q

anhydride + alcohol

A

ester + carboxylic acid

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13
Q

anhydride + amine

A

amide + carboxylic acid

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14
Q

alkene catalysed by H2 and Pd OR Pt OR Ni

A

alkane

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15
Q

alkene + HBr

A

firstly, bond becomes protonated giving an alkane with a positive charge

Br- attacks positive charge

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16
Q

alkene + water (acid catalyst)

A

firstly, bond becomes protonated giving an alkane with a positive charge

attacked by H2O to give an alcohol

17
Q

alkene + Br2 or Cl2

A

dibromide or dichloride

18
Q

electrophilic substituion: benzene with H2SO4 and HNO3

A

nitrobenzene

19
Q

electrophilic substituion: benzene with Cl2 and FeCl3 OR AlCl3

A

chlorobenzene

20
Q

Grignard Reagents: X = Cl, Br

R-X + MG

21
Q

RMgX + ketone/aldehyde (acid catalysed)

22
Q

RMgX + CO2 (acid catalysed)

CHEM1200 (3 decks)

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