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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
604791-91-5
合成路线
(共 6 条)
604791-90-4
→
反应条件
604791-91-5
反应条件
1: With sodium hydroxide in tetrahydrofuran; methanol T=0 - 20°C; 1.5 h; 2: With potassium tert-butylate in tetrahydrofuran T=0 - 20°C; 0.833333 h;
参考文献
SANKYO COMPANY, LIMITED
Patent: US2003/236297 A1, 2003 ;
Location in patent: Page 109 ;
391678-24-3
→
反应条件
604791-91-5
反应条件
1.1: potassium tert-butoxide / tetrahydrofuran / 0.33 h / 20 °C 1.2: tetrahydrofuran / 0.5 h / cooling 2.1: NaOH / methanol; tetrahydrofuran; H2O / 1.5 h 2.2: potassium tert-butoxide / tetrahydrofuran / 0.83 h View Scheme
参考文献
Nakamura, Tsuyoshi; Tsuji, Takashi; Iio, Yukiko; Miyazaki, Shojiro; Takemoto, Toshiyasu; Nishi, Takahide
Tetrahedron Asymmetry, 2006 , vol. 17, # 19 p. 2781 - 2792
391678-23-2
→
反应条件
604791-91-5
反应条件
1.1: pyridinium chlorochromate; molecular sieves 4 Angstroem / CH2Cl2 / 2 h / 20 °C 2.1: potassium tert-butoxide / tetrahydrofuran / 0.33 h / 20 °C 2.2: tetrahydrofuran / 0.5 h / cooling 3.1: NaOH / methanol; tetrahydrofuran; H2O / 1.5 h 3.2: potassium tert-butoxide / tetrahydrofuran / 0.83 h View Scheme
参考文献
Nakamura, Tsuyoshi; Tsuji, Takashi; Iio, Yukiko; Miyazaki, Shojiro; Takemoto, Toshiyasu; Nishi, Takahide
Tetrahedron Asymmetry, 2006 , vol. 17, # 19 p. 2781 - 2792
23259-98-5
(2-噻吩基甲基)三苯基溴化膦
→
反应条件
604791-91-5
反应条件
1.1: potassium tert-butoxide / tetrahydrofuran / 0.33 h / 20 °C 1.2: tetrahydrofuran / 0.5 h / cooling 2.1: NaOH / methanol; tetrahydrofuran; H2O / 1.5 h 2.2: potassium tert-butoxide / tetrahydrofuran / 0.83 h View Scheme
参考文献
Nakamura, Tsuyoshi; Tsuji, Takashi; Iio, Yukiko; Miyazaki, Shojiro; Takemoto, Toshiyasu; Nishi, Takahide
Tetrahedron Asymmetry, 2006 , vol. 17, # 19 p. 2781 - 2792
391200-37-6
(1,3-二羟基-2-甲基-2-丙基)(2-甲基-2-丙基)氨基甲酸
→
反应条件
604791-91-5
反应条件
1.1: TOYOBO / diisopropyl ether / 2 h / 20 °C 2.1: pyridinium chlorochromate; molecular sieves 4 Angstroem / CH2Cl2 / 2 h / 20 °C 3.1: potassium tert-butoxide / tetrahydrofuran / 0.33 h / 20 °C 3.2: tetrahydrofuran / 0.5 h / cooling 4.1: NaOH / methanol; tetrahydrofuran; H2O / 1.5 h 4.2: potassium tert-butoxide / tetrahydrofuran / 0.83 h View Scheme
参考文献
Nakamura, Tsuyoshi; Tsuji, Takashi; Iio, Yukiko; Miyazaki, Shojiro; Takemoto, Toshiyasu; Nishi, Takahide
Tetrahedron Asymmetry, 2006 , vol. 17, # 19 p. 2781 - 2792
41443-79-2
→
反应条件
604791-91-5
反应条件
1: tetrahydrofuran 2: sodium hydroxide / tetrahydrofuran; methanol 3: potassium tert-butoxide / tetrahydrofuran View Scheme
参考文献
Tsuji, Takashi; Iio, Yukiko; Takemoto, Toshiyasu; Nishi, Takahide
Tetrahedron Asymmetry, 2005 , vol. 16, # 19 p. 3139 - 3142