C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/559.1, 260/5
C07C 25/13 (2006.01) C07C 17/00 (2006.01) C07C 51/377 (2006.01) C07C 63/70 (2006.01) C07C 253/30 (2006.01) C07C 255/50 (2006.01) C07C 265/12 (2006.01)
Patent
CA 2023720
Case 6l54 ASC/kmf 08/25/89 ABSTRACT OF THE INVENTION AROMATIZATION PROCESS Halogen substituted aromatic compounds of the formula Image wherein Y is selected from the group CO2H, COF, COCl, COBr, CF3, CN, NCO, or F, and X and X' are independently hydrogen or a halogen selected from the group F-, Cl- and Br-, at least one of X and X' being halogen; may be prepared by the liquid phase reaction of a brominating agent, at temperatures below about 190° Celsius, with a correspondingly substituted cyclohexene or cyclohexadiene.
Occidental Chemical Corporation
Swabey Ogilvy Renault
Tang David Y.
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