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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
26613-71-8
合成路线
(共 40 条)
55147-78-9
+
100-52-7
苯甲醛
+
17435-72-2
2-溴甲基丙烯酸乙酯
→
反应条件
26613-71-8
反应条件
in tetrahydrofuran 25 deg C; reflux, 3 h;
参考文献
Fouquet, Eric; Pereyre, Michel; Rodriguez, Alain L.; Roulet, Thomas
Bulletin de la Societe Chimique de France, 1997 , vol. 134, # 10,11 p. 959 - 968
109907-81-5
+
74-88-4
甲基碘
→
反应条件
26613-71-8
+
75366-42-6
反应条件
silver(l) oxide
参考文献
Nagano, Hajime; Toi, Satoko; Yajima, Tomoko
Synlett, 1999 , # 1 p. 53 - 54
95905-46-7
→
反应条件
26613-71-8
反应条件
1: 60 percent / CrO3-H2SO4 / acetone / 0 °C / Jones oxidation 2: 88 percent / DBU / diethyl ether / Ambient temperature View Scheme
参考文献
Mandai, Takadatsu; Mori, Kazuhito; Hasegawa, Keisuke; Kawada, Mikio; Otera, Junzo
Tetrahedron Letters, 1984 , vol. 25, # 46 p. 5225 - 5226
95905-38-7
→
反应条件
26613-71-8
反应条件
1: 93 percent / silica gel (Wako Gel C-200) / hexane / 10 h / Heating 2: 64 percent / 30percent H2SO4 / acetone / 20 h / Ambient temperature 3: 60 percent / CrO3-H2SO4 / acetone / 0 °C / Jones oxidation 4: 88 percent / DBU / diethyl ether / Ambient temperature View Scheme
参考文献
Mandai, Takadatsu; Mori, Kazuhito; Hasegawa, Keisuke; Kawada, Mikio; Otera, Junzo
Tetrahedron Letters, 1984 , vol. 25, # 46 p. 5225 - 5226
95905-42-3
→
反应条件
26613-71-8
反应条件
1: 64 percent / 30percent H2SO4 / acetone / 20 h / Ambient temperature 2: 60 percent / CrO3-H2SO4 / acetone / 0 °C / Jones oxidation 3: 88 percent / DBU / diethyl ether / Ambient temperature View Scheme
参考文献
Mandai, Takadatsu; Mori, Kazuhito; Hasegawa, Keisuke; Kawada, Mikio; Otera, Junzo
Tetrahedron Letters, 1984 , vol. 25, # 46 p. 5225 - 5226
95905-34-3
→
反应条件
26613-71-8
反应条件
1: 60 percent / NaH-HMPA / Peterson olefination 2: 93 percent / silica gel (Wako Gel C-200) / hexane / 10 h / Heating 3: 64 percent / 30percent H2SO4 / acetone / 20 h / Ambient temperature 4: 60 percent / CrO3-H2SO4 / acetone / 0 °C / Jones oxidation 5: 88 percent / DBU / diethyl ether / Ambient temperature View Scheme
参考文献
Mandai, Takadatsu; Mori, Kazuhito; Hasegawa, Keisuke; Kawada, Mikio; Otera, Junzo
Tetrahedron Letters, 1984 , vol. 25, # 46 p. 5225 - 5226
1125-88-8
苯甲醛二甲缩醛
→
反应条件
26613-71-8
反应条件
1: BF3.OEt2 / CH2Cl2 / 8 h / 0 °C 2: 1.) iodotrimethylsilane, 2.) MeOH / 1.) 50 grad C, 2 h View Scheme
参考文献
Hosomi, Akira; Hashimoto, Hidehiko; Sakurai, Hideki
Tetrahedron Letters, 1980 , vol. 21, p. 951 - 954
83967-98-0
→
反应条件
26613-71-8
反应条件
1: 1.) hydrogen / 1.) Raney nickel / 1.) acetic acid-methanol-water (1:8:2) 2: 1.) p-TsOH, 2.) MnO2 / 1.) MeOH, 2.) CH2Cl2 View Scheme
参考文献
Kozikowski, Alan P.; Ghosh, Arun K.
Tetrahedron Letters, 1983 , vol. 24, # 26 p. 2623 - 2626
123604-35-3
→
反应条件
26613-71-8
反应条件
1: 81 percent / tetrahydrofuran / 0.17 h / in an ice-bath 2: 85 percent / KH / tetrahydrofuran; hexamethylphosphoric acid triamide / 0.83 h / -23 °C 3: LiBH4, ZnCl2 / diethyl ether / 0.25 h / in an ice-bath 4: p-toluenesulfonic acid / toluene / 2 h / Ambient temperature View Scheme
参考文献
Fujiwara, Tooru; Morita, Koichi; Takeda, Takeshi
Bulletin of the Chemical Society of Japan, 1989 , vol. 62, # 5 p. 1524 - 1527
123604-34-2
→
反应条件
26613-71-8
反应条件
1: 68 percent / acetic anhydride / dimethylsulfoxide / 17 h / Ambient temperature 2: 81 percent / tetrahydrofuran / 0.17 h / in an ice-bath 3: 85 percent / KH / tetrahydrofuran; hexamethylphosphoric acid triamide / 0.83 h / -23 °C 4: LiBH4, ZnCl2 / diethyl ether / 0.25 h / in an ice-bath 5: p-toluenesulfonic acid / toluene / 2 h / Ambient temperature View Scheme
参考文献
Fujiwara, Tooru; Morita, Koichi; Takeda, Takeshi
Bulletin of the Chemical Society of Japan, 1989 , vol. 62, # 5 p. 1524 - 1527
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