反应条件
1: 92 percent / pyridine / CH2Cl2 / 1.) -78 deg C, 20 min, 2.) RT, 1 h 2: 87 percent / tetrabutylammonium azide / toluene / 4 h View Scheme
参考文献
Bristol-Myers Squibb Company; Hewawasam, Piyasena; Kadow, John F.; Lopez, Omar D.; Meanwell, Nicholas A.; Tu, Yong; Wang, Alan Xiangdong; Xu, Ningning; Gupta, Samayamunthula Venkata Satya Arun Kumar; Srinivasu, Pothukanuri; Kumar, Indasi Gopi; Kumar, Ponugupati Suresh; Belema, Makonen; Fridell, Robert A.; Gao, Min; Lemm, Julie A.; O'Boyle, II, Donald R.; Sun, Jin-Hua; Wang, Chunfu; Wang, Ying-Kai
Patent: US2013/183269 A1, 2013 ;