Acid catalyzed isomerization of substituted diaryls

• Main Authors: IRETSKI ALEXEI VIKTOROVICH, SHERMAN SHELDON CHRISTOPHER, TOLBERT LAREN MALCOLM, SCHIRALDI DAVID ANTHONY, WHITE MARK GILMORE
• Format: Patent
• Language: English
• Published: 13.08.2002
• Edition: 7
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; APPARATUS THEREFOR; CHEMISTRY; GENERAL METHODS OF ORGANIC CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

A substituted diaryl compound or a mixture of substituted diaryl compounds, such as dimethylbiaryl compounds are isomerized by treatment with a strong acid or mixtures of strong acids in the absence of any additional catalyst. The strong acid or mixture of acids has a Hammett acidity of less than ab...