C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/53
C25C 3/04 (2006.01) C07B 59/00 (2006.01) C07C 209/00 (2006.01) C07F 9/54 (2006.01) C25B 3/00 (2006.01) C25B 3/04 (2006.01)
Patent
CA 2011779
Title: PRODUCTION OF QUATERNARY AMMONIUM AND QUATERN- ARY PHOSPHONIUM BOROHYDRIDES Abstract of the Disclosure A process is described for preparing quaternary ammonium and quaternary phosphonium borohydrides in an electrolysis cell which comprises an anolyte compartment containing an anode and a catholyte compartment contain- ing a cathode, the anolyte and catholyte compartments being separated from each other by a divider, said process comprising (A) charging an anolyte comprising an aqueous solution containing a quaternary ammonium or a quatern- ary phosphonium salt compound to the anolyte compart- ment; (B) charging a catholyte comprising an aqueous solution prepared from a quaternary ammonium borohydride or the quaternary phosphonium boron oxide to the catho- lyte compartment; (C) passing a current through the electrolysis cell to produce the quaternary ammonium borohydride or the quaternary phosphonium borohydride in the catholyte compartment; and (D) removing at least a portion of the catho- lyte from the catholyte compartment. The quaternary ammonium and quaternary phosphonium boro- hydrides can be recovered from the catholyte removed in step (D) from the catholyte. In one preferred embodiment, quaternary ammon- ium borohydrides are prepared utilizing quaternary ammonium boron oxides in the aqueous catholyte and qua- ternary ammonium compounds such as quaternary ammonium hydroxides in the anolyte solution.
Dutcher John S.
Sharifian Hossein
Dutcher John S.
Moffat & Co.
Sharifian Hossein
Southwestern Analytical Chemicals Inc.
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