PREPARATION OF N-PHENYL-BENZOQUINONEIMINE FROM HYDROXYDIPHENYLAMINES

Title:

PREPARATION OF N-PHENYL-BENZOQUINONEIMINE FROM HYDROXYDIPHENYLAMINES

Document Type and Number:

WIPO Patent Application WO1999036395

Kind Code:

A9

Abstract:

A hydroxydiphenylamine compound can be converted to an N-phenylquinoneimine by reacting the hydroxydiphenylamine with oxygen or an oxygen containing gas in the presence of a modified activated carbon catalyst, the catalyst having had surface oxides removed therefrom.

Inventors:

FIELDS DONALD L JR
STERN MICHAEL K
LODAYA JAYANT S

Application Number:

PCT/IB1999/000424

Publication Date:

November 11, 1999

Filing Date:

January 14, 1999

Export Citation:

Click for automatic bibliography generation Help

Assignee:

FLEXSYS AMERICA LP (US)

International Classes:

C07B61/00; B01J27/20; C07C249/02; C07C251/22; (IPC1-7): C07C251/22

Download PDF:

View/Download PDF PDF Help

Previous Patent: INHIBITORS OF $g(a)4 MEDIATED CELL ADHESION

Next Patent: PERFLUORO-N-ALKYLSULFONIC ACID DERIVATIVES