1: thionyl chloride / 3 h / 80 °C 2: potassium nitrate; sulfuric acid / 0.67 h / -20 - -10 °C View Scheme
参考文献
MERCK PATENT GMBH; YU, Henry; RICHARDSON, Thomas E.; BHARATHI, Pandi; HEASLEY, Brian H.; JENKS, Matthew G.; FOGLESONG, Robert J.
Patent: WO2013/106409 A1, 2013 ;