Reagents & Conditions Flashcards
Alkene > Alkane
H2 (g)
150 degrees
5 atmospheres
Ni Catalyst
Alkene > Halogenoalkane
HBr (aq)
Room Temp
Alkene > Alcohol
Water
Conc. H2SO4
Alkane > Halogenoalkane
Br2
Sunlight or UV
Halogenoalkane > Primary Alcohol
NaOH (aq)
Heat Under Reflux
Alcohol > Alkene
Al2O3 (s)
300 degrees
Alcohol > Halogenoalkane
NaBr (s)
Conc. H2SO4
Heat Under Reflux
Alcohol > Ether (R-O-R)
R-OH
Moderately Concentrated H2SO4
Alcohol > Aldehyde (R-CHO)
Acidified Potassium Dichromate
Distil
Alcohol > Ketone (R-CO-R)
Acidified Potassium Dichromate
Heat Under Reflux
Ketone > Alcohol
NaBH4 (aq)
Halogenoalkane > Secondary Alcohol
NaOH (aq)
Halogenoalkane > Nitrile
R-CH2-CN
NaCN in aqueous ethanol solution
Heat Under Reflux
Nitrile (R-CH2-CN) > Carboxylic Acid
Dilute HCl
Heat Under Reflux
Aldehyde > Alcohol
NaBH4 (aq)
Aldehyde > Carboxylic Acid
Acidified Potassium Dichromate
Heat Under Reflux
Carboxylic Acid (or Alcohol) > Ester
R-OH
Concentrated Sulfuric Acid
Heat Under Reflux
Breaking an Ester
Moderately Concentrated HCl
Heat Under Reflux
Acyl Chloride > Ester
R-OH
Room Temp
Acyl Chloride > Primary Amide (R-CONH2)
Conc. NH3
Room Temperature
Acyl Chloride > Secondary Amide (R-CONH-R)
R-NH2
Room Temp
Carboxylic Acid > Acyl Chloride
SCl2O
Heat Under Reflux
Breaking an Amide (protein)
Moderately Concentrated HCl
Heat under reflux
Bromination of Benzene
Benzene + Br2 –> Bromobenzene + HBr
FeBr3 catalyst
Chlorination of Benzene
Benzene + Cl2 —> Chlorobenzene + HCl (misty fumes)
AlCl3 catalyst
Nitration of Benzene
- Step 1: conc HNO3 + conc 2H2SO4 —> NO2+ + 2HSO4- + H30+
- Step 2: Benzene + NO2+ —> Nitrobenzene + H+
(Below 55 degrees)
Sulfonation of Benzene
Benzene + conc H2SO4 —> Benzene Sulfonic acid (SO3H)+ HSO4- + H2O
Heat Under Reflux for Hours
Alkylation of Benzene
Benzene + Chloroalkane —> Alkylbenzene + H+
AlCl3 catalyst
Heat Under Reflux
Acylation of Benzene
Benzene + AcylChloride —> Phenylmethanal + HCl
AlCl3 catalyst
Heat Under Reflux
Making an Azo-Dye
•Making salt:
Phenylamine + HCl/NaNO3 —> Benzenediazonium
•Making Dye:
Benzenediazonium + Phenol + NaOH —> Azo-Dye + H2O + NaCl
Under 5 degrees