C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
23/405, 260/560.
C07C 69/65 (2006.01) B01J 19/00 (2006.01) B01J 19/18 (2006.01) C07C 253/00 (2006.01)
Patent
CA 1280121
ABSTRACT FLOW REACTOR SYSTEM Reactions can be carried out at temperatures of -50°C or below with residence times of 1 minute or less using a novel low temperature, continuous flow-reactor system. The system comprises a closed tubular thermally conductive flow reactor having at least two inlet ports and an outlet port; respective fluid supply conduits communicating with the inlet ports; a fluid outlet conduit communicating with the outlet port; pump means for controlling the flow of fluid through the flow reactor; and a cooling zone accommodating the reactor. At least one of the fluid supply conduits is thermally conductive and is coiled proximate to but spaced from said flow reactor in the cooling zone. Preferably, the coiled portion of the fluid supply conduit is coiled around but spaced from the flow reactor. Conveniently, the flow reactor has a right circular reaction chamber formed by a tubular main body having a circular recess closed by a cover plate.
526412
Gerhart Fritz
Kolb Michael
Merrell Dow Pharmaceuticals Inc.
Osler Hoskin & Harcourt Llp
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