您好,欢迎来到魔法化学网!
合作交流
|
服务时间(9:30-18:00)
百科
百科
▼
百科
资讯
搜索
结构式
乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
首页
化合物百科
价格行情
资讯
化工导航
实验室工具
搜索
乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
地塞米松
合成路线
(共 16 条)
1966-25-2
→
反应条件
50-02-2
地塞米松
反应条件
hydrogen fluoride in tetrahydrofuran; ethanol T=0°C; 20 h;
参考文献
Crowe, D. F.; Christie, P. H.; DeGraw, J. I.; Fujiwara, A. N.; Grange, E.; et al.
Tetrahedron, 1983 , vol. 39, # 19 p. 3083 - 3090
1177-87-3
醋酸地塞米松
→
反应条件
50-02-2
地塞米松
反应条件
in ethanol T=24 - 26°C; 96 h; Penicillium decumbens ATCC 10436, potato dextrose broth;
参考文献
Holland, Herbert L.
Steroids, 1995 , vol. 60, # 9 p. 646 - 649
13209-41-1
17,21-二羟基-16alpha-甲基孕甾-1,4,9(11)-三烯-3,20-二酮
→
反应条件
50-02-2
地塞米松
反应条件
1: 74 percent / HCl / CH2Cl2 / Ambient temperature 2: 95 percent / 0.4M perchloric acid, N-bromoacetamide / dioxane / 15 h / Ambient temperature 3: 87 percent / potassium acetate / ethanol; dioxane / 19 h / Heating 4: 48percent hydrofluoric acid / ethanol; tetrahydrofuran / 20 h / 0 °C View Scheme
参考文献
Crowe, D. F.; Christie, P. H.; DeGraw, J. I.; Fujiwara, A. N.; Grange, E.; et al.
Tetrahedron, 1983 , vol. 39, # 19 p. 3083 - 3090
14518-56-0
→
反应条件
50-02-2
地塞米松
反应条件
1: 95 percent / 0.4M perchloric acid, N-bromoacetamide / dioxane / 15 h / Ambient temperature 2: 87 percent / potassium acetate / ethanol; dioxane / 19 h / Heating 3: 48percent hydrofluoric acid / ethanol; tetrahydrofuran / 20 h / 0 °C View Scheme
参考文献
Crowe, D. F.; Christie, P. H.; DeGraw, J. I.; Fujiwara, A. N.; Grange, E.; et al.
Tetrahedron, 1983 , vol. 39, # 19 p. 3083 - 3090
88509-22-2
→
反应条件
50-02-2
地塞米松
反应条件
1: 87 percent / potassium acetate / ethanol; dioxane / 19 h / Heating 2: 48percent hydrofluoric acid / ethanol; tetrahydrofuran / 20 h / 0 °C View Scheme
参考文献
Crowe, D. F.; Christie, P. H.; DeGraw, J. I.; Fujiwara, A. N.; Grange, E.; et al.
Tetrahedron, 1983 , vol. 39, # 19 p. 3083 - 3090
88509-18-6
→
反应条件
50-02-2
地塞米松
反应条件
1: 63 percent / sodium metaperiodate / tetrahydrofuran; methanol; H2O / 2.5 h / Ambient temperature 2: 95 percent / 0.4M perchloric acid, N-bromoacetamide / dioxane / 15 h / Ambient temperature 3: 87 percent / potassium acetate / ethanol; dioxane / 19 h / Heating 4: 48percent hydrofluoric acid / ethanol; tetrahydrofuran / 20 h / 0 °C View Scheme
参考文献
Crowe, D. F.; Christie, P. H.; DeGraw, J. I.; Fujiwara, A. N.; Grange, E.; et al.
Tetrahedron, 1983 , vol. 39, # 19 p. 3083 - 3090
80163-63-9
→
反应条件
50-02-2
地塞米松
反应条件
1: 1.) LDA / 1.) THF, -78 deg C, 1 h then 0 deg C, 5 h; 2.) THF, -78 deg C, 3.5 h 2: 63 percent / sodium metaperiodate / tetrahydrofuran; methanol; H2O / 2.5 h / Ambient temperature 3: 95 percent / 0.4M perchloric acid, N-bromoacetamide / dioxane / 15 h / Ambient temperature 4: 87 percent / potassium acetate / ethanol; dioxane / 19 h / Heating 5: 48percent hydrofluoric acid / ethanol; tetrahydrofuran / 20 h / 0 °C View Scheme
参考文献
Crowe, D. F.; Christie, P. H.; DeGraw, J. I.; Fujiwara, A. N.; Grange, E.; et al.
Tetrahedron, 1983 , vol. 39, # 19 p. 3083 - 3090
50-02-2
地塞米松
→
反应条件
382-67-2
去羟米松
反应条件
1: With trimethylsilyl iodide in dichloromethane; acetonitrile T=-8°C; 1 h; 2: With hydrogenchloride in dichloromethane; water 2 h; Product distribution / selectivity;
参考文献
TARO PHARMACEUTICAL INDUSTRIES LTD.; CHERNIAK, Simon; CYJON, Rosa; OZER, Ilana; NUDELMAN, Igor
Patent: WO2012/11106 A1, 2012 ;
Location in patent: Page/Page column 15-16 ;
50-02-2
地塞米松
→
反应条件
312-93-6
地塞米松磷酸酯
反应条件
(i) POCl3, THF, (ii) H2O; Multistep reaction;
参考文献
Miki; Hiraga; Masuya; Asako; Fujii
Chemical and Pharmaceutical Bulletin, 1974 , vol. 22, # 7 p. 1439 - 1450
50-02-2
地塞米松
→
反应条件
1880-61-1
17-氧代地塞米松
反应条件
Bi(OTf)3*xH2O in 1,4-dioxane T=80°C; chemoselective reaction;
参考文献
Pinto, Rui M. A.; Salvador, Jorge A. R.; Le Roux, Christophe; Paixao, Jose A.
Journal of Organic Chemistry, 2009 , vol. 74, # 21 p. 8488 - 8491
1
2
下一页
末页
到第
页
确定