Title: Preparation of benzophenone imines
Application Number: 95121847 Application Date: 1995.11.26
Publication Number: 1133835 Publication Date: 1996.10.22
Approval Pub. Date: 2000.09.27 Granted Pub. Date: 2000.09.27
International Classifi-cation: C07C249/02;C07C251/24
Applicant(s) Name: BASF AG Address:
Inventor(s) Name: Guido Voit;Martin Holderbaum;Tom Witzel
Attorney & Agent: YANG JIUCHANG
Abstract:
    A process for preparing benzophenone imines of the general formula (I) where R1 to R6 are hydrogen, C1-to C4-alkoxy, C1-to C2-alkylamine or C2-to C4-dialkylamine, by reacting benzophenones of the general formula (II) where R1 to R6 have the abovementioned meanings, in liquid ammonia in the presence of oxides of the elements boron, aluminum, gallium, indium, silicon, germanium, tin, lead, phosphorus, arsenic, antimony, bismuth, scandium, yttrium, titanium, zirconium, vanadium, niobium, tantalum or mixtures thereof at from 50 DEG to 150 DEG C. and from 50 to 350 bar is described.
Time: 3
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