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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
172923-77-2
合成路线
（共 76 条）
196926-56-4
→
反应条件
172923-77-2
反应条件
1: 19 percent / CH3CO2H / propan-2-ol; H2O 2: triethylamine / toluene / 1 h / 20 °C 3: triethylamine; 4-(dimethylamino)pyridine / toluene / 3.5 h / 80 °C 4: 90 percent / trifluoroacetic acid / CH2Cl2 / 7.5 h / 20 °C View Scheme
参考文献
Sunazuka, Toshiaki; Hirose, Tomoyasu; Chikaraishi, Noriko; Harigaya, Yoshihiro; Hayashi, Masahiko; Komiyama, Kanki; Sprengeler, Paul A.; Smith III, Amos B.; Omura, Satoshi
Tetrahedron, 2005 , vol. 61, # 15 p. 3789 - 3803
196926-53-1
→
反应条件
172923-77-2
反应条件
1: 92 percent / 4-(dimethylamino)pyridine; camphorsulfonic acid; dicyclohexylcarbodiimide / CH2Cl2 / 18.5 h / 20 °C 2: 83 percent / CF3CO2H / tetrahydrofuran; H2O / 22 h / 20 °C 3: 96 percent / 4-(dimethylamino)pyridine; camphorsulfonic acid; dicyclohexylcarbodiimide / CH2Cl2 / 14 h / 20 °C 4: 19 percent / CH3CO2H / propan-2-ol; H2O 5: triethylamine / toluene / 1 h / 20 °C 6: triethylamine; 4-(dimethylamino)pyridine / toluene / 3.5 h / 80 °C 7: 90 percent / trifluoroacetic acid / CH2Cl2 / 7.5 h / 20 °C View Scheme
参考文献
Sunazuka, Toshiaki; Hirose, Tomoyasu; Chikaraishi, Noriko; Harigaya, Yoshihiro; Hayashi, Masahiko; Komiyama, Kanki; Sprengeler, Paul A.; Smith III, Amos B.; Omura, Satoshi
Tetrahedron, 2005 , vol. 61, # 15 p. 3789 - 3803
196926-54-2
→
反应条件
172923-77-2
反应条件
1: 83 percent / CF3CO2H / tetrahydrofuran; H2O / 22 h / 20 °C 2: 96 percent / 4-(dimethylamino)pyridine; camphorsulfonic acid; dicyclohexylcarbodiimide / CH2Cl2 / 14 h / 20 °C 3: 19 percent / CH3CO2H / propan-2-ol; H2O 4: triethylamine / toluene / 1 h / 20 °C 5: triethylamine; 4-(dimethylamino)pyridine / toluene / 3.5 h / 80 °C 6: 90 percent / trifluoroacetic acid / CH2Cl2 / 7.5 h / 20 °C View Scheme
参考文献
Sunazuka, Toshiaki; Hirose, Tomoyasu; Chikaraishi, Noriko; Harigaya, Yoshihiro; Hayashi, Masahiko; Komiyama, Kanki; Sprengeler, Paul A.; Smith III, Amos B.; Omura, Satoshi
Tetrahedron, 2005 , vol. 61, # 15 p. 3789 - 3803
642075-91-0
→
反应条件
172923-77-2
反应条件
1.1: 78 percent / 4-(dimethylamino)pyridine; triethylamine; PdCl2(MeCN)2 / dimethylformamide / 12 h / 20 °C / 22800 Torr 2.1: aq. AcOH / tetrahydrofuran / 48 h / 20 °C 3.1: Zn dust; aq. NH4OAc / tetrahydrofuran / 2 h / 20 °C 4.1: 2,2'-dipyridyl disulfide; PPh3 / toluene / 1 h / 20 °C 4.2: 40 percent / AgOTf / toluene / 0.5 h / 20 °C 5.1: 87 percent / trifluoroacetic acid / CH2Cl2 / 6 h / 20 °C View Scheme
参考文献
Kusaka, Shin-Ichi; Dohi, Suguru; Doi, Takayuki; Takahashi, Takashi
Tetrahedron Letters, 2003 , vol. 44, # 49 p. 8857 - 8859
642075-90-9
→
反应条件
172923-77-2
反应条件
1.1: 82 percent / TBAF; AcOH / CH2Cl2 / 24 h / 20 °C 2.1: 78 percent / 4-(dimethylamino)pyridine; triethylamine; PdCl2(MeCN)2 / dimethylformamide / 12 h / 20 °C / 22800 Torr 3.1: aq. AcOH / tetrahydrofuran / 48 h / 20 °C 4.1: Zn dust; aq. NH4OAc / tetrahydrofuran / 2 h / 20 °C 5.1: 2,2'-dipyridyl disulfide; PPh3 / toluene / 1 h / 20 °C 5.2: 40 percent / AgOTf / toluene / 0.5 h / 20 °C 6.1: 87 percent / trifluoroacetic acid / CH2Cl2 / 6 h / 20 °C View Scheme
参考文献
Kusaka, Shin-Ichi; Dohi, Suguru; Doi, Takayuki; Takahashi, Takashi
Tetrahedron Letters, 2003 , vol. 44, # 49 p. 8857 - 8859
642075-93-2
→
反应条件
172923-77-2
反应条件
1.1: 2,2'-dipyridyl disulfide; PPh3 / toluene / 1 h / 20 °C 1.2: 40 percent / AgOTf / toluene / 0.5 h / 20 °C 2.1: 87 percent / trifluoroacetic acid / CH2Cl2 / 6 h / 20 °C View Scheme
参考文献
Kusaka, Shin-Ichi; Dohi, Suguru; Doi, Takayuki; Takahashi, Takashi
Tetrahedron Letters, 2003 , vol. 44, # 49 p. 8857 - 8859
642075-92-1
→
反应条件
172923-77-2
反应条件
1.1: aq. AcOH / tetrahydrofuran / 48 h / 20 °C 2.1: Zn dust; aq. NH4OAc / tetrahydrofuran / 2 h / 20 °C 3.1: 2,2'-dipyridyl disulfide; PPh3 / toluene / 1 h / 20 °C 3.2: 40 percent / AgOTf / toluene / 0.5 h / 20 °C 4.1: 87 percent / trifluoroacetic acid / CH2Cl2 / 6 h / 20 °C View Scheme
参考文献
Kusaka, Shin-Ichi; Dohi, Suguru; Doi, Takayuki; Takahashi, Takashi
Tetrahedron Letters, 2003 , vol. 44, # 49 p. 8857 - 8859
503026-42-4
→
反应条件
172923-77-2
反应条件
1: 82 percent / 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / tetrahydrofuran; toluene / 12 h / 20 °C 2: 77 percent / TMSCl; NaI / acetonitrile / 6 h / -20 °C 3: 79 percent / DBN / benzene / 8 h / 20 °C 4: 67 percent / 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / tetrahydrofuran; toluene / 24 h / 90 °C 5: 90 percent / DDQ / CH2Cl2; H2O / 20 °C View Scheme
参考文献
Sharma; Mouli, Ch.Chandra
Tetrahedron Letters, 2002 , vol. 43, # 50 p. 9159 - 9161
503026-41-3
→
反应条件
172923-77-2
反应条件
1: 81 percent / DBN / benzene / 8 h / 20 °C 2: 82 percent / 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / tetrahydrofuran; toluene / 12 h / 20 °C 3: 77 percent / TMSCl; NaI / acetonitrile / 6 h / -20 °C 4: 79 percent / DBN / benzene / 8 h / 20 °C 5: 67 percent / 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / tetrahydrofuran; toluene / 24 h / 90 °C 6: 90 percent / DDQ / CH2Cl2; H2O / 20 °C View Scheme
参考文献
Sharma; Mouli, Ch.Chandra
Tetrahedron Letters, 2002 , vol. 43, # 50 p. 9159 - 9161
503026-45-7
→
反应条件
172923-77-2
反应条件
1: 67 percent / 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / tetrahydrofuran; toluene / 24 h / 90 °C 2: 90 percent / DDQ / CH2Cl2; H2O / 20 °C View Scheme
参考文献
Sharma; Mouli, Ch.Chandra
Tetrahedron Letters, 2002 , vol. 43, # 50 p. 9159 - 9161
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