Mechanisms Flashcards
1
Q
Alkane → Halogenolalkane
A
REAGENTS: Br₂ / Cl₂ CONDITIONS: UV light MECHANISM: Free Radical Substitution
2
Q
Alkene → Halogenolalkane
A
REAGENTS: HBr / HCl CONDITIONS: room temp MECHANISM: electrophilic addition
3
Q
Alkene → Dihalogenolalkane
A
REAGENTS: Br₂ / Cl₂ CONDITIONS: room temp MECHANISM: electrophilic addition
4
Q
Alkene → Alcohol
A
STAGE 1 : Alkene → Alkly hydrogensulfate
REAGENTS: conc h2so4 CONDITIONS: room temp MECHANISM: electrophilic addition
STAGE 2 : Alkyl hydrogensulfate → Alcohol
REAGENTS: water CONDITIONS: warm mixture MECHANISM: hydrolysis
5
Q
Halogenolakane → Alcohol
A
REAGENTS: KOH / NaOH CONDITIONS: aqueous solution heat under reflux MECHANISM: nucleophilic substitution
6
Q
Halogenolakane → Nitrile
A
REAGENTS: KCN dissolved in ethanol CONDITIONS: heat under reflux MECHANISM: nucleophilic substitution
7
Q
Halogenolakane → primary amine
A
REAGENTS: NH3 dissolved in ethanol CONDITIONS: heat under pressure in a sealed tube MECHANISM: nucleophilic substitution
8
Q
Halogenolakane → Alkene
A
REAGENTS: KOH / NaOH CONDITIONS: in ethanol heat MECHANISM: nucleophilic substitution
9
Q
Alcohol → Aldehyde
A
REAGENTS: acidified potassium dichromate solution k2cr2o7 dilute h2so4 CONDITIONS: limited amount of dichromate warm gently distil immediately
10
Q
Alcohol → Carboxylic Acid
A
REAGENTS: acidified potassium dichromate solution k2cr2o7 dilute h2so4 CONDITIONS: excess of dichromate heat under reflux distil after reaction has finished
11
Q
Alcohol → Ketone
A
REAGENTS: acidified potassium dichromate solution k2cr2o7 dilute h2so4 CONDITIONS: heat under reflux
12
Q
Alcohol→ Alkene
A
REAGENTS: conc h2so4 / conc h3po4 CONDITIONS: warm under reflux 170 degrees c MECHANISM: acid catalysed elimination
13
Q
Aldehyde → Carboxylic acid
A
REAGENTS: acidified potassium dichromate solution k2cr2o7 dilute h2so4 CONDITIONS: heat under reflux
14
Q
Aldehyde / Ketone → Hydroxynitrile
A
REAGENTS: NaCN dilute sulfuric acid h2so4 CONDITIONS: room temp room pressure MECHANISM: nucleophilic addition
15
Q
Aldehyde → Alcohol
A
REAGENTS: NaNH4 in aqueous ethanol CONDITIONS: room temp room pressure MECHANISM: nucleophilic addition