C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/582.5
C07C 49/385 (2006.01) C07C 45/74 (2006.01) C07C 49/613 (2006.01)
Patent
CA 1067100
ABSTRACT OF THE DISCLOSURE 2-(1-cyclohexenyl)-cyclohexanone is prepared by condensation of cyclohexanone using a macro-porous ion exchange resin such as Lewatite SPC 118 W or equivalent at temperatures not exceeding 125 °C., provided that the conversion reaction is maintained below 50 %, preferably below 35 %. The reaction mixture is distilled at atmospheric pressure in the absence of the ion exchange resin and the desired product is recovered in substantially high yields generally greater than 95 %. - 1 -
243606
Klein Joseph F.m.
Stijfs Petrus A.m.j.
Thoma Jozef A.
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