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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
38449-25-1
合成路线
(共 8 条)
38449-25-1
→
反应条件
16611-84-0
氢化白果酸
反应条件
boron tribromide in dichloromethane 1.) -40 deg C; 2.) rt 2 h;
参考文献
Tetrahedron, , vol. 43, # 15 p. 3387 - 3394
65446-29-9
→
反应条件
38449-25-1
反应条件
1: With potassium tert-butylate in dimethyl sulfoxide T=70°C; 2 h; 2: With hydrogenchloride; water in dimethyl sulfoxide T=0 - 10°C;
参考文献
Kundu, Tapas Kumar; Balasubramanyam, Karanam; Swaminathan, Vankatesh
Patent: US2006/167107 A1, 2006 ;
Location in patent: Page/Page column 3 ;
US 20060167107 A1
16611-84-0
氢化白果酸
+
77-78-1
硫酸二甲酯
→
反应条件
38449-25-1
反应条件
1: With potassium carbonate in acetone 4 h; Heating / reflux; 2: With potassium hydroxide in water; butan-1-ol 2 h; Heating / reflux; 3: With hydrogenchloride in water; butan-1-ol T=20°C;
参考文献
UNICHEM LABORATORIES LTD.
Patent: WO2008/62436 A2, 2008 ;
Location in patent: Page/Page column 11 ;
110202-81-8
→
反应条件
38449-25-1
反应条件
sodium hydroxide in dimethyl sulfoxide T=120°C; 15 h;
参考文献
Yamagiwa, Yoshiro; Ohashi, Kinji; Sakamoto, Yoshitaka; Hirakawa, Shinji; Kamikawa, Tadao; Kubo, Isao
Tetrahedron, 1987 , vol. 43, # 15 p. 3387 - 3394
110202-79-4
→
反应条件
38449-25-1
反应条件
1: H2 / 5percent platinum on carbon 2: H2O; dimethylsulfoxide / Heating; alkaline hydrolysis View Scheme
参考文献
Kubo, Isao; Kim, Mujo; Komatsu, Sakae; Yamagiwa, Yoshiro; Ohashi, Kinji; et al.
Chemistry Letters, 1987 , p. 1101 - 1104
110202-78-3
→
反应条件
38449-25-1
反应条件
1: 50 percent / lithium bis(trimethylsilyl)amide / -78 °C 2: H2 / 5percent platinum on carbon 3: H2O; dimethylsulfoxide / Heating; alkaline hydrolysis View Scheme
参考文献
Kubo, Isao; Kim, Mujo; Komatsu, Sakae; Yamagiwa, Yoshiro; Ohashi, Kinji; et al.
Chemistry Letters, 1987 , p. 1101 - 1104
81625-30-1
→
反应条件
38449-25-1
反应条件
2: 50 percent / lithium bis(trimethylsilyl)amide / -78 °C 3: H2 / 5percent platinum on carbon 4: H2O; dimethylsulfoxide / Heating; alkaline hydrolysis View Scheme
参考文献
Kubo, Isao; Kim, Mujo; Komatsu, Sakae; Yamagiwa, Yoshiro; Ohashi, Kinji; et al.
Chemistry Letters, 1987 , p. 1101 - 1104
124-25-4
肉豆蔻醛
→
反应条件
38449-25-1
反应条件
1: 50 percent / lithium bis(trimethylsilyl)amide / -78 °C 2: H2 / 5percent platinum on carbon 3: H2O; dimethylsulfoxide / Heating; alkaline hydrolysis View Scheme
参考文献
Kubo, Isao; Kim, Mujo; Komatsu, Sakae; Yamagiwa, Yoshiro; Ohashi, Kinji; et al.
Chemistry Letters, 1987 , p. 1101 - 1104