1: With N-bromosuccinmide in tetrachloromethane 24 h; Heating / reflux; 2: With 1,3,5,7-tetra-azatricyclo[5.1.1.13,5]decane in chloroform 5 h; Heating / reflux; 3: With hydrogenchloride; water; acetic acid more than 3 stages;
参考文献
Park, Sooyoung; Kwon, Soonki; An, Byeongkwan
Patent: US2007/149799 A1, 2007 ;
Location in patent: Page/Page column 2-3 ;