反应条件
1: pyridine / 4-(N,N-dimethlyamino)pyridine / 62 h / 0 - 20 °C 2: nitric acid / 3 h / -15 - -10 °C 3: potassium carbonate / methanol / 3 h / 20 °C 4: potassium carbonate / N,N-dimethyl-formamide / 2 h / 20 °C View Scheme
参考文献
Arora, Nidhi; Chen, Shaoqing; Hermann, Johannes Cornelius; Kuglstatter, Adreas; Labadie, Sharada Shenvi; Lin, Clara Jeou Jen; Lucas, Matthew C.; Moore, Amy Geraldine; Papp, Eva; Talamas, Francisco Xavier; Wanner, Jutta; Zhai, Yansheng
Patent: US2012/15962 A1, 2012 ;
US 20120015962 A1