哌啶-1,3-二甲酸 1-苄酯 3-乙酯合成路线 (共 10 条)
参考文献
Xu, Ruo; Czarniecki, Michael; Man, Jos De; Pan, Jianping; Qiang, Li; Root, Yuriko; Ying, Shihong; Su, Jing; Sun, Xijun; Zhang, Yuping; Yu, Tao; Zhang, Yang; Hu, Tao; Chen, Shu-Hui
Tetrahedron Letters, 2011 , vol. 52, # 26 p. 3266 - 3270
反应条件
potassium carbonate in N,N-dimethyl-formamide T=20°C; 5 h;
参考文献
EP1553074 A1, ;
Page/Page column 41 ;
反应条件
sodium hydrogencarbonate in water T=20 - 23°C;
参考文献
US2006/149070 A1, ;
Page/Page column 41 ;
反应条件
1: With lithium aluminium tetrahydride in tetrahydrofuran T=-10°C; 1 h; 2: With sodium hydroxide in tetrahydrofuran; water
参考文献
Kalypsys, Inc
Patent: US8080566 B1, 2011 ;
Location in patent: Page/Page column 44 ;
反应条件
1: 3-ethyl 1-(phenylmethyl) 1,3-piperidinedicarboxylate With lithium hexamethyldisilazane in tetrahydrofuran T=-78°C; 0.333333 h; 2: methyl iodide in tetrahydrofuran T=-78 - 20°C;
参考文献
ARRAY BIOPHARMA INC.
Patent: WO2009/140320 A1, 2009 ;
Location in patent: Page/Page column 73 ;
WO 2009/140320 A1
反应条件
1: With lithium hexamethyldisilazane in tetrahydrofuran T=-78°C; 0.583333 h; 2: With methyl iodide in tetrahydrofuran T=-78 - 20°C;
参考文献
Rohde, Jeffrey J.; Shuai, Qi; Link, James T.; Patel, Jyoti R.; Dinges, Jurgen; Sorensen, Bryan K.; Yong, Hong; Yeh, Vince S.; Kurukulasuriya, Ravi
Patent: US2006/149070 A1, 2006 ;
Location in patent: Page/Page column 41 ;
反应条件
1.1: N,N'-dimethyl-N,N'-propyleneurea; lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -78 - -60 °C 1.2: 2.5 h / -60 - -20 °C 2.1: hydrogen; 5 palladium on charcoal / methanol; ethyl acetate / 1.5 h View Scheme
参考文献
BRISTOL-MYERS SQUIBB COMPANY; EWING, William R.; ZHU, Yeheng; SUN, Chongqing; HUANG, Yanting; KARATHOLUVHU, Maheswaran Sivasamban
Patent: WO2013/12829 A1, 2013 ;
WO 2013/012829 A1
反应条件
1: lithium aluminium tetrahydride / tetrahydrofuran / 1 h / -10 °C 2: sodium hydrogencarbonate; 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical / dichloromethane; water / 18 h / 20 °C View Scheme
参考文献
Kalypsys, Inc
Patent: US8080566 B1, 2011 ;
反应条件
1: lithium aluminium tetrahydride / tetrahydrofuran / 1 h / -10 °C
2: sodium hydrogencarbonate; 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical / dichloromethane; water / 18 h / 20 °C
3: potassium carbonate; toluene-4-sulfonic acid; toluene-4-sulfonamide / toluene; ethylene glycol dimethyl ether; methanol / 20 h / 80 °C
4: hydrogenchloride / 1,4-dioxane; water / 16 h / 80 °C
View Scheme
参考文献
Kalypsys, Inc
Patent: US8080566 B1, 2011 ;
反应条件
diphenyl phosphoryl azide; triethylamine
T=20 - 100°C; 21.5 h;
参考文献
Eisai Co., Ltd.
Patent: US2007/219178 A1, 2007 ;
Location in patent: Page/Page column 48-49 ;