Basf Aktiengesellschaft

Ulf Dietrich

Hartmut Hibst

Thomas Heidemann

Stefan Bauer

Bernhard Rieger

Walter Dobler

Roland Hingmann

Heike Gregorius

Hans-Joachim Muller

Peter Trubenbach

Hans-Joachim M&uuml;ller

Carsten S&uuml;ling

J&uuml;rgen Matth&auml;us Wagner

Jurgen Matthaus Wagner

A multimetal oxide of the formula IAgMVOHO,&#x2003;&#x2003;Iwhere M is a metal selected from the group consisting of Li, Na, K, Rb, Cs, Tl, Mg, Ca, Sr, Ba, Cu, Zn, Cd, Pb, Cr, Au, Al, Fe, Co, Ni and/or Mo, Precatalysts and catalysts produced therefrom for the partial oxidation of aromatic hydrocarbons are also provided.

Silver- and vanadium-containing multimetal oxide and its use

A multimetal oxide of the formula IAgMVO*c HO,&#x2003;&#x2003;Iwhere M is a metal selected from the group consisting of Li, Na, K, Rb, Cs, Tl, Mg, Ca, Sr, Ba, Cu, Zn, Cd, Pb, Cr, Au, Al, Fe, Co, Ni and/or Mo, Precatalysts and catalysts produced therefrom for the partial oxidation of aromatic hydrocarbons are also provided.

Silver-  and vanadium-containing multimetal oxide and its use

A process for preparing a compound of the formula I

Process for producing substituted indanones

A process for preparing indene derivatives of the general formula I ##STR1## where R.sup.1 is a C.sub.1 -C.sub.10 -alkyl radical, a phenyl radical or a C.sub.1 -C.sub.4 -alkyl-substituted phenyl radical and

Preparation of indene derivatives

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Grünstadt, Germany

Ulf Dietrich