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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
18491-21-9
合成路线
(共 22 条)
1822-00-0
三甲基硅甲基锂
+
122948-45-2
→
反应条件
18491-21-9
反应条件
1: (trimethyl)silylmethyllithium With copper(l) iodide; tributylphosphine in diethyl ether; pentane T=-78°C; Metallation; 0.333333 h; 2: 4-(p-Methoxyphenyl)-2-butanone dimethyl acetal With boron trifluoride diethyl etherate in diethyl ether; pentane T=-78 - -20°C; Peterson-type olefination; 1 h;
参考文献
Suzuki, Takeshi; Oriyama, Takeshi
Synlett, 2000 , # 6 p. 859 - 861
1822-00-0
三甲基硅甲基锂
+
290309-44-3
→
反应条件
18491-21-9
反应条件
1: (trimethyl)silylmethyllithium With copper(l) iodide; tributylphosphine in diethyl ether; pentane T=-78°C; Metallation; 0.333333 h; 2: 4-(p-Methoxyphenyl)-2-butanone ethylene acetal With boron trifluoride diethyl etherate in diethyl ether; pentane T=-78 - -20°C; Peterson-type olefination; 1 h;
参考文献
Suzuki, Takeshi; Oriyama, Takeshi
Synlett, 2000 , # 6 p. 859 - 861
18292-38-1
异丁烯基三甲基硅烷
+
17988-20-4
(4-甲氧基苄基)-三甲基硅烷
→
反应条件
18491-21-9
反应条件
[VO(OEt)Cl2] in dichloromethane -75 deg C, 2 h; RT, 4 h;
参考文献
Hirao, Toshikazu; Fujii, Takashi; Ohshiro, Yoshiki
Tetrahedron Letters, 1994 , vol. 35, # 43 p. 8005 - 8008
18292-38-1
异丁烯基三甲基硅烷
+
104-21-2
4-甲氧基苄基乙酸酯
→
反应条件
18491-21-9
反应条件
triphenyl phosphite; [RhCl(η2:η2-cycloocta-1,5-diene)]2; NaBARF in 1,2-dichloro-ethane 5 h; Reflux; regioselective reaction;
参考文献
Onodera, Gen; Yamamoto, Eriko; Tonegawa, Shota; Iezumi, Makoto; Takeuchi, Ryo
Advanced Synthesis and Catalysis, 2011 , vol. 353, # 11-12 p. 2013 - 2021
131161-70-1
→
反应条件
18491-21-9
反应条件
[RhCl(η2:η2-cycloocta-1,5-diene)]2; triphenylphosphine in deuterated toluene T=140°C; 4 h; Sealed tubeInert atmosphere;
参考文献
Shaw, Megan H.; Melikhova, Ekaterina Y.; Kloer, Daniel P.; Whittingham, William G.; Bower, John F.
Journal of the American Chemical Society, 2013 , vol. 135, # 13 p. 4992 - 4995
131161-70-1
→
反应条件
4957-18-0
+
103786-20-5
+
18491-21-9
反应条件
bis(1,5-cyclooctadiene)-rhodium(I) tetrafluoroborate; triphenylphosphine in deuterated toluene T=140°C; 4 h; Sealed tubeInert atmosphere;
参考文献
Journal of the American Chemical Society, , vol. 135, # 13 p. 4992 - 4995
18272-88-3
→
反应条件
56636-80-7
+
90433-31-1
+
18491-21-9
+
103786-19-2
反应条件
in tert-butyl alcohol 8.8 h; Irradiation; Further byproducts given;
参考文献
Journal of Organic Chemistry, , vol. 49, # 17 p. 3069 - 3083
14425-64-0
4-甲氧基苯乙基溴
→
反应条件
18491-21-9
反应条件
1: copper(l) chloride / tetrahydrofuran / 18 h / 20 °C 2: [RhCl(η2:η2-cycloocta-1,5-diene)]2; triphenylphosphine / deuterated toluene / 4 h / 140 °C / |Sealed tube; |Inert atmosphere View Scheme
参考文献
Journal of the American Chemical Society, , vol. 135, # 13 p. 4992 - 4995
104-20-1
4-(4-甲氧苯基)-2-丁酮
+
1779-49-3
甲基三苯基溴化膦
→
反应条件
18491-21-9
反应条件
n-butyllithium 1) THF 2) THF, 4h; Yield given. Multistep reaction;
参考文献
Journal of Organic Chemistry, , vol. 49, # 17 p. 3069 - 3083
90433-31-1
→
反应条件
4957-18-0
+
56636-80-7
+
18491-21-9
+
103786-19-2
反应条件
in tert-butyl alcohol 4 h; Irradiation; Further byproducts given;
参考文献
Journal of Organic Chemistry, , vol. 49, # 17 p. 3069 - 3083
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