C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/578.1
C07C 49/784 (2006.01) C07C 2/68 (2006.01) C07C 45/28 (2006.01) C07C 45/64 (2006.01) C07C 45/82 (2006.01) C07C 45/85 (2006.01) C07C 51/12 (2006.01)
Patent
CA 1267658
ABSTRACT OF THE DISCLOSURE The present invention provides a method for preparing 3-ethylbenzophenone in a high purity which comprises the steps of alkylating benzene with ethylene in the presence of an alkylating catalyst to obtain an alkylated product composed mainly of unreacted benzene, ethylbenzene, poly- ethylbenzenes and heavier substances; subjecting the alkylated product to rectification in order to recover therefrom a fraction which has a temperature range of boiling points within the range of 275 to 310°C (in terms of atmospheric pressure); heating the recovered fraction together with a mixture of nitric acid and water; carrying out purification, if necessary; and performing distillation to recover therefrom 3-ethylbenzophenone represented by the formula (I): Image . . . ( I )
517937
Matsumura Yasuo
Sato Atsushi
Shimizu Isoo
Marks & Clerk
Matsumura Yasuo
Nippon Petrochemicals Co. Ltd.
Sato Atsushi
Shimizu Isoo
LandOfFree
Method for preparing 3-ethylbenzophenone does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for preparing 3-ethylbenzophenone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for preparing 3-ethylbenzophenone will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1222758