Dec., 1947
ENOLIZATION OF ~ - N E T H O X Y - ~ ' - B R AND OMO -~'-F,TNOXYDIBENZOYLNETHANE -
(X) in which the position of the nitrogen is established by the fact that isoxazolines are not formed by way of the 1,g-addition reaction to the carbony1 of chalcones.
[CONTRIBUTIONFROM
THE
3135
3. We have reported isomeric ethers (VIa) and (VIb) which react differently and probably are geometric isomers. WASHINGTON, D. C.
RECEIVED MAY 1. 1947
DEPARTMENT O F CHEMISTRY, HOWARD UNIVERSIl>, \!.ASHIKGTON 1, D. c . ]
A Study of the Direction of Enolization of p-Methoxy-p'-bromodibenzoylmethane and p-Me thoxy-p '-ethoxydibenzoylmethane I3Y
I