The Oxygen-Mediated Synthesis of 1,3-Butadiynes in Continuous Flow: Using Teflon AF-2400 to Effect Gas/Liquid Contact

Added on:
21 Sep, 2011

The gas is always greener: A continuous flow Glaser–Hay coupling reaction system, mediated by molecular oxygen, is developed based on a tube-in-tube gas/liquid reactor/injector. The system uses a semi-permeable Teflon AF-2400 membrane to effect rapid gas/liquid contact in flow, affording homogeneous solutions of oxygen. Measurements of out-gassing downstream of the back-pressure regulator indicate the onset of saturation is reached after about 16 seconds.

  • Trine P. Petersen1,2,3
  • Anastasios Polyzos1,4
  • Matthew O’Brien1
  • Trond Ulven2
  • Ian R. Baxendale1
  • Steven V. Ley1
  • 1Whiffen Laboratory, University of Cambridge, UK
  • 2Department of Physics and Chemistry, University of Southern Denmark
  • 3Discovery Chemistry and DMPK, H. Lundbeck A/S,Denmark
  • 4CSIRO, Materials Science and Engineering, Australia
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