Process of producing...

C - Chemistry – Metallurgy – 07 – C

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260/559.9

C07C 253/10 (2006.01) C07C 255/46 (2006.01)

Patent

CA 2032667

The addition of hydrogen cyanide to isophorone for the production of 1,3,3-trimethyl-5-oxo-carbonitrile is successful when using lithium hydroxide in an amount from 0.005 to 5 mole % at 100 to 160°C with a high yield and with a substantially higher space time yield than was possible with the use of other alkaline reacting alkali compounds.

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