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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
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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
9H-咔唑-2-胺
合成路线
(共 18 条)
574-39-0
9-乙酰基咔唑
+
23592-73-6
+
86-74-8
咔唑
+
75-36-5
乙酰氯
→
反应条件
4539-51-9
9H-咔唑-2-胺
反应条件
hydrogenchloride; hydroxylamine hydrochloride; boron trifluoride-diethyl ether complex; trifluoroacetic anhydride; aluminium trichloride in pyridine; potassium hydroxide; aq. KOH; dichloromethane; acetic anhydride; ethyl acetate; trifluoroacetic acid
参考文献
GENENTECH, INC.
Patent: US2002/35104 A1, 2002 ;
14191-22-1
2-硝基咔唑
→
反应条件
4539-51-9
9H-咔唑-2-胺
反应条件
ethanol; platinum Hydrogenation;
参考文献
Anderson; Campbell
Journal of the Chemical Society, 1950 , p. 2904
5737-56-4
→
反应条件
4539-51-9
9H-咔唑-2-胺
反应条件
sodium azide in N,N-dimethyl-formamide T=150°C; 48 h; Inert atmosphereSchlenk techniqueMolecular sieve;
参考文献
Ou, Yang; Jiao, Ning
Chemical Communications, 2013 , vol. 49, # 33 p. 3473 - 3475
77229-05-1
→
反应条件
4539-51-9
9H-咔唑-2-胺
反应条件
hydrogenchloride in acetic acid 2.5 h; Heating;
参考文献
Kyziol; Lyzniak
Tetrahedron, 1980 , vol. 36, # 20-21 p. 3017 - 3019
86439-46-5
→
反应条件
4539-51-9
9H-咔唑-2-胺
反应条件
potassium hydroxide in ethanol 4 h; Heating;
参考文献
Lancelot; Gazengel; Rault; Robba
Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 1 p. 45 - 51
574-39-0
9-乙酰基咔唑
→
反应条件
4539-51-9
9H-咔唑-2-胺
反应条件
1: 84 percent / AlCl3 / CS2 / 2 h / Heating 2: 82 percent / KOH / methanol; H2O 3: 80 percent / hydroxylamine hydrochloride / pyridine / 0.33 h 4: 75 percent / 1.5 h 5: 65 percent / HCl / 1 h / 40 - 50 °C / Heating 6: 60 percent / BF3-acetic acid / acetic acid / 1 h / Ambient temperature 7: 78 percent / HCl / acetic acid / 2.5 h / Heating View Scheme
参考文献
Kyziol; Lyzniak
Tetrahedron, 1980 , vol. 36, # 20-21 p. 3017 - 3019
77229-02-8
→
反应条件
4539-51-9
9H-咔唑-2-胺
反应条件
in water; trifluoroacetic acid 1) 20 min reflux in trifluoroacetic acid; 2) 3 h reflux in trifluoroacetic acid/water;
参考文献
Kyziol; Lyzniak
Tetrahedron, 1980 , vol. 36, # 20-21 p. 3017 - 3019
86439-45-4
→
反应条件
4539-51-9
9H-咔唑-2-胺
反应条件
1: 2.) hydrazine hydrate / 1.) Raney nickel / 1.) ethanol, reflux, 30 min. 2.) ethanol, reflux, 6 h. 2: 75 percent / 10 N potassium hydroxide / ethanol / 4 h / Heating View Scheme
参考文献
Lancelot; Gazengel; Rault; Robba
Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 1 p. 45 - 51
23592-73-6
→
反应条件
4539-51-9
9H-咔唑-2-胺
反应条件
1: 82 percent / KOH / methanol; H2O 2: 80 percent / hydroxylamine hydrochloride / pyridine / 0.33 h 3: 75 percent / 1.5 h 4: 65 percent / HCl / 1 h / 40 - 50 °C / Heating 5: 60 percent / BF3-acetic acid / acetic acid / 1 h / Ambient temperature 6: 78 percent / HCl / acetic acid / 2.5 h / Heating View Scheme
参考文献
Kyziol; Lyzniak
Tetrahedron, 1980 , vol. 36, # 20-21 p. 3017 - 3019
23592-74-7
2-乙酰基咔唑
→
反应条件
4539-51-9
9H-咔唑-2-胺
反应条件
1: 80 percent / hydroxylamine hydrochloride / pyridine / 0.33 h 2: 75 percent / 1.5 h 3: 65 percent / HCl / 1 h / 40 - 50 °C / Heating 4: 60 percent / BF3-acetic acid / acetic acid / 1 h / Ambient temperature 5: 78 percent / HCl / acetic acid / 2.5 h / Heating View Scheme
参考文献
Kyziol; Lyzniak
Tetrahedron, 1980 , vol. 36, # 20-21 p. 3017 - 3019
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