VERNALIS (CAMBRIDGE) LIMITED; CANCER RESEARCH TECHNOLOGY LTD; THE INSTITUTE OF CANCER RESEARCH
Patent: WO2004/72051 A1, 2004 ;
Location in patent: Page 93 ;
1: potassium carbonate / acetone / 2 h / 30 °C 2: potassium hydroxide / ethanol; water / 36 h / 20 °C 3: pyridine; mercury(II) diacetate / 1 h / 110 °C 4: hydrogenchloride; water / methanol / 0.5 h / Reflux View Scheme