Aug-Sept 1991 Pyrazoles. 6 [1]. Synthesis of Novel Heteroaryl 4-Pyrazolyl Ketones Marianne Hahn [2], Gottfried Heinisch*, Wolfgang Hölzer and Helga Schwarz [3] Institute of Pharmaceutical Chemistry, University of Vienna, Währinger Strasse 10, A-1090 Vienna, Austria Received February 28, 1991 The preparation of a variety of novel heteroaromatic analogues of benzophenone 2-11 characterized by a 4-pyrazolyl moiety and a thienyl-, azinyl- or diazinyl-system ...