Chemical processes

Details Chemical processes Chemical processes

1979-01-31

1980-09-02

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603972, C07J 900

Patent

active

042205883

ABSTRACT:
.alpha.,.beta.-Unsaturated aldehydes and ketones are prepared by reaction of an arylseleninic anhydride with an aldehyde or ketone having at least one hydrogen 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 ketones used as starting material especially include perhydrophenanthrene ketones such as steroid ketones and the arylseleninic anhydride used may for example be benzeneseleninic anhydride.

REFERENCES:
Barton et al. I, (1978), J. Chem. Soc. Chemical Comm. pp. 130 and 131.
Barton et al. II, (1978), J. Chem. Soc. Chem., pp. 276 and 277.
Barton et al. III, (1978), J. Chem. Soc. Chem., pp. 952-954.
"Steroids", by Fieser et al. p. 250.

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