Videos

Table of Content:

• Laboratory Procedures

  • Reactions with a Reflux Condenser // ∘ Common Mistakes with a Reflux Condenser

  • Weighing and Pipetting

  • Greasing of Glass Joints

  • Azeotropic Distillation

  • Soxhlet Extraction

  • Quenching and Deactivating

  • Reactions in the Microwave

  • Heating and Cooling (Common Mistakes)

• Separation Methods

  • Extraction with a Separating Funnel // ∘ Common Mistakes with Extraction

  • Filtration // ∘ Common Mistakes with Filtration

  • Distillation // ∘ Common Mistakes with Distillation

  • Thin Layer Chromatography (TLC) // ∘ Common Mistakes with TLC

  • Flash Chromatography // ∘ Common Mistakes with Flash Chromatography

  • Rotary Evaporator // ∘ Common Mistakes with Rotary Evaporator

  • Drying of Solutions

  • Recrystallisation

  • Steam Distillation

  • Drying in a Desiccator

• Analytical Methods

  • Determination of Melting Point
  • Determination of Refractive Index
  • Mass Spectrometry
  • UV/Vis-Spectroscopy
  • IR-Spectroscopy
  • Determination of Optical Rotation
  • Measurement of a TLC-MS-Spectrum
  • NMR-Spectroscopy (Measurement)
  • NMR-Spectroscopy (Analysis)

• Solvent Purification Techniques

  • Purification and Drying of Diethyl Ether
  • Purification and Drying of Methanol
  • Purification and Drying of Ethanol
  • Purification and Drying of Acetone
  • Isolation of Trimyristin from Nutmegs
  • Separation of a Mixture of three Substances
  • Racemate Separation of (+/-)-(1-Phenylethyl) amine
  • Isolation of R-(+)-Limonene (Vacuum Distillation)
  • Isolation of Eugenol (Steam Distillation)

• Synthetic Procedures

  • Diels-Alder-Reaction
  • Grignard-Reaction (Triphenylmethanol)
  • Synthesis of meso-2,3-Dibromosuccinic Acid Diethyl Ester
  • Synthesis of Cyclohexyl Chloride
  • Synthesis of Benzyltriphenylphosphonium bromide
  • Synthesis of n-Butyl Phenyl Ether
  • Synthesis of (-)-Menthyl Tosylate
  • Synthesis of 1,1-Dichloro-2-phenylcyclopropane
  • Synthesis of Methyl 3-dinitrobenzoate
  • Synthesis of 4-Methyl-4'-nitrobenzophenone
  • Synthesis of 1,5-Diphenyl-1,4-dien-3-one
  • Synthesis of 1-(N-Morpholino)-cyclohexene
  • Synthesis of cis- und trans-Stilbene