Organic synthesis Flashcards
Alkane to Halogenoalkane
Mechanism: Free radical sub
Reagent(s): X₂
Conditions: UV light
Halogenoalkane to alkene
Mechanism: elimination
Reagent(s): KOH or NaOH
Conditions: ethanolic. heat under reflux
alkene to halogenoalkane
Mechanism: e- addition
Reagent(s): HBr or HCl
Conditions: room temp
alkene to dihalogenoalkane
Mechanism: e- addition
Reagent(s): Br₂ or Cl₂
Conditions: room temp
Dihalogenoalkane to Diol
Mechanism: Nucleophilic sub
Reagent(s): KOH
Conditions: (aq) heat under reflux
alkene to poly(alkene)
Conditions: high pressure catalyst
Halogenoalkane to nitrile
Mechanism: Nucleophilic sub
Reagent(s): KCN in ethanol/ water mixture
Conditions: heat under reflux
Nitrile to primary amine
reduction:
LiALH4 dry ether
OR
2H₂ + Ni cat high temp and pressure
Primary amine to secondary, tertiary or quaternary ammonium salt
Mechanism: Nucleophilic sub
Reagent(s): 1y amine
Conditions:
excess Haloalkane = 4y main product
Halogenoalkane to primary amine
Mechanism: Nucleophilic sub
Reagent(s): alcoholic excess NH3
Conditions: heat under pressure
Halogenoalkane to alcohol
Mechanism: Nucleophilic sub
Reagent(s): NaOH or KOH (aq)
Conditions: heat under reflux
alkene to alcohol
Mechanism: e- addition (hydration)
Reagent(s): conc H2SO4 + steam
Conditions: (aq) 300C and high pressure 70 atm
alcohol to alkene
Mechanism: elimination (dehydration)
Reagent(s): excess hot conc H2SO4, hot Al2O3 cat (lab)
Conditions: 600K
1y alcohol to aldehyde
oxidation:
Reagent(s): Na2Cr2O7/H+
Conditions: heat
2y alcohol to ketone
oxidation
Reagent(s): Na2Cr2O7/H+
Conditions: heat