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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
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乙二醇
甲醛
63148-62-9
MDI
丁酮
二甲基亚砜
碳酸氢钠
471-34-1
37682-31-8
合成路线
(共 26 条)
37682-31-8
→
反应条件
1086390-21-7
反应条件
1.1: iron; acetic acid / 7 h / 0 °C / Inert atmosphere; Reflux 2.1: phosphoric acid; trifluoroacetic anhydride / 0 - 20 °C / Inert atmosphere 2.2: 0 °C / pH 7 / Inert atmosphere View Scheme
参考文献
Rajitha, Chittipaka; Dubey; Sunku, Venkataiah; Veeramaneni, Venugopal Rao; Pal, Manojit
Journal of Heterocyclic Chemistry, 2013 , vol. 50, # 3 p. 630 - 637
37682-31-8
→
反应条件
23520-35-6
反应条件
1: 70 percent / NaBH4 / Pd/C / dioxane; H2O 2: 100 percent / pyridine / 12 h 3: 70 percent / toluene / 24 h / 85 °C View Scheme
参考文献
Hashimoto; Ishizaki; Shudo; Okamoto
Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 11 p. 3891 - 3896
37682-31-8
→
反应条件
77729-22-7
(2-硝基苯氧基)-乙酸肼
反应条件
hydrazine hydrate in methanol T=20°C; 1 h;
参考文献
Sathisha; Khanum, Shaukath A.; Chandra, J.N. Narendra Sharath; Ayisha; Balaji; Marathe, Gopal K.; Gopal, Shubha; Rangappa
Bioorganic and Medicinal Chemistry, 2011 , vol. 19, # 1 p. 211 - 220
37682-31-8
→
反应条件
6529-94-8
7-甲氧基-2H-苯并[b][1,4]噁嗪-3(4H)-酮
反应条件
1: 64 percent / NaBH4 / 10percent Pd-C / methanol; H2O / 0.25 h 2: 40 percent / 5percent aq. NaCO3 / CH2Cl2 / 0.08 h 3: 8 percent / benzene / 24 h / Heating 4: NaOH / Ambient temperature 5: NaOH View Scheme
参考文献
Hashimoto; Ishizaki; Shudo; Okamoto
Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 11 p. 3891 - 3896
37682-31-8
→
反应条件
7652-29-1
6-氯-2H-1,4-苯并噁嗪-3(4H)-酮
反应条件
1: 64 percent / NaBH4 / 10percent Pd-C / methanol; H2O / 0.25 h 2: 39 percent / p-TsCl, pyridine / 24 h / Ambient temperature View Scheme
参考文献
Hashimoto; Ishizaki; Shudo; Okamoto
Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 11 p. 3891 - 3896
37682-31-8
→
反应条件
5466-88-6
2H-1,4-苯并噁嗪-3(4H)-酮
反应条件
iron; acetic acid T=0°C; 7 h; Inert atmosphereReflux;
参考文献
Rajitha, Chittipaka; Dubey; Sunku, Venkataiah; Veeramaneni, Venugopal Rao; Pal, Manojit
Journal of Heterocyclic Chemistry, 2013 , vol. 50, # 3 p. 630 - 637
37682-31-8
→
反应条件
5023-12-1
6-甲氧基-4H-苯并[1,4]恶嗪-3-酮
反应条件
1: 64 percent / NaBH4 / 10percent Pd-C / methanol; H2O / 0.25 h 2: 40 percent / 5percent aq. NaCO3 / CH2Cl2 / 0.08 h 3: 45 percent / CF3COOH / benzene / 24 h / Ambient temperature 4: 20percent NaOH / 3 h View Scheme
参考文献
Hashimoto; Ishizaki; Shudo; Okamoto
Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 11 p. 3891 - 3896
37682-31-8
→
反应条件
16365-25-6
2-(2-硝基苯氧基)乙醇
反应条件
lithium aluminium tetrahydride in diethyl ether T=0°C; 2 h;
参考文献
Joseph, M. M.; Jacob, Dominic E.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1998 , vol. 37, # 9 p. 945 - 947
37682-31-8
→
反应条件
1878-87-1
2-硝基苯氧乙酸
反应条件
lithium hydroxide in tetrahydrofuran T=20°C; 4 h;
参考文献
Akazome, Motohiro; Ishii, Yuichi; Nireki, Tatsuya; Ogura, Katsuyuki
Tetrahedron Letters, 2008 , vol. 49, # 28 p. 4430 - 4433
37682-31-8
→
反应条件
27320-99-6
7-氯-2H-1,4-苯并恶嗪
反应条件
1: 64 percent / NaBH4 / 10percent Pd-C / methanol; H2O / 0.25 h 2: 22 percent / 2N HCl / 2.5 h / Heating View Scheme
参考文献
Duparc
Chemische Berichte, 1887 , vol. 20, p. 1944 Anm.
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