C - Chemistry – Metallurgy – 07 – J
Patent
C - Chemistry, Metallurgy
07
J
260/4, 260/7, 26
C07J 9/00 (2006.01) C07J 51/00 (2006.01) C07J 63/00 (2006.01) C07J 71/00 (2006.01)
Patent
CA 1138428
ABSTRACT OF THE DISCLOSURE .alpha.,.beta.-Unsaturated aldehydes and ketones are prepared by reaction of an arylseleninic anhydride with an aldehyde or ketone having at least one hy- drogen atom in the .alpha.-position which is or can be in the syn-configuration with respect to at least one hydrogen atom in the said .beta.-position. The ke-tones used as starting material especially include perhydrophenanthrene ketones such as steroid ketones and the arylseleninic anhydride used may for example be benzeneseleninic anhydride.
320620
Barton Derek H.r.
Lester David J.
Ley Steven V.
Barton Derek H.r.
Fetherstonhaugh & Co.
Lester David J.
Ley Steven V.
LandOfFree
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