9-苄基-3,9-二杂氮[5.5]十一烷-2,4-二酮合成路线 (共 4 条)
反应条件
sulfuric acid in water 2 h; Heating / reflux;
参考文献
US2008/247964 A1, ;
Page/Page column 28 ;
US 20080247964 A1
反应条件
urea T=160 - 185°C; 69 h;
参考文献
WO2006/44504 A1, ;
Page/Page column 97 ;
WO 2006/044504 A1
反应条件
1.1: ammonia / methanol / 4.8 h / 0 - 4 °C 2.1: sulfuric acid / water / 16 h / |Reflux 2.2: 20 °C / pH 8 View Scheme
反应条件
lithium aluminium tetrahydride in diethyl ether 16 h; Reflux;
参考文献
Shionogi and Co., Ltd.; HISAKAWA, Shinya; HASEGAWA, Yasushi; AOKI, Toshiaki; KUSANO, Hiroki; SANO, Masayuki; SATO, Jun; YAMAWAKI, Kenji
Patent: EP2557082 A1, 2013 ;
Location in patent: Paragraph 0248; 0251 ;