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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
2-噻吩甲醛
合成路线
(共 711 条)
98-03-3
2-噻吩甲醛
+
105-36-2
溴乙酸乙酯
→
反应条件
603959-54-2
(S)-3-羟基-3-(2-噻吩基)丙酸乙酯
反应条件
1: With chloro-trimethyl-silane; zinc in tetrahydrofuran T=20 - 60°C; 0.25 h; 2: ethyl bromoacetate in tetrahydrofuran T=45°C; 0.366667 h; 3: thiophene-2-carbaldehyde With hydrogenchloride; ammonia; water; (+)-sparteine more than 3 stages;
参考文献
Consortium fuer elektrochemische Industrie GmbH
Patent: EP1394140 A1, 2004 ;
Location in patent: Page 10 ;
98-03-3
2-噻吩甲醛
+
623-48-3
碘代醋酸乙酯
→
反应条件
603959-54-2
(S)-3-羟基-3-(2-噻吩基)丙酸乙酯
+
603959-55-3
反应条件
air; dimethyl zinc in diethyl ether; toluene T=20°C; Reformatsky reaction; 1 h; Title compound not separated from byproducts.;
参考文献
Tanaka, Takanori; Hayashi, Masahiko
Chemistry Letters, 2008 , vol. 37, # 12 p. 1298 - 1299
98-03-3
2-噻吩甲醛
+
105-36-2
溴乙酸乙酯
→
反应条件
603959-54-2
(S)-3-羟基-3-(2-噻吩基)丙酸乙酯
+
603959-55-3
反应条件
N-((1S,2R)-1-hydroxy-1-phenylpropan-2-yl)furan-2-carboxamide; diethylzinc in tetrahydrofuran; hexane T=0 - 20°C; Reformatsky Reaction; 1 h; enantioselective reaction;
参考文献
Ananthi, Nallamuthu; Velmathi, Sivan
Journal of Chemical Sciences, 2014 , vol. 126, # 1 p. 151 - 158
98-03-3
2-噻吩甲醛
→
反应条件
603959-54-2
(S)-3-羟基-3-(2-噻吩基)丙酸乙酯
+
1326792-18-0
反应条件
1.1: zinc / tetrahydrofuran / 0.5 h / Reflux 1.2: 1.5 h / Warming 1.3: Cooling with ice 2.1: divinylbenzene-crosslinked hydrophobic macroporous polymer-supported Candida antarctica lipase B / tert-butyl methyl ether / 60 h / 20 °C / Enzymatic reaction View Scheme
参考文献
Brem, Juergen; Liljeblad, Arto; Paizs, Csaba; Tosa, Monica Ioana; Irimie, Florin-Dan; Kanerva, Liisa T.
Tetrahedron Asymmetry, 2011 , vol. 22, # 3 p. 315 - 322
98-03-3
2-噻吩甲醛
→
反应条件
603959-54-2
(S)-3-羟基-3-(2-噻吩基)丙酸乙酯
+
603959-55-3
+
1312919-04-2
反应条件
1.1: zinc / tetrahydrofuran / 0.5 h / Reflux 1.2: 1.5 h / Warming 1.3: Cooling with ice 2.1: Celite-supported Candida antarctica lipase A / 1 h / 20 °C / Neat (no solvent); Enzymatic reaction View Scheme
参考文献
Brem, Juergen; Liljeblad, Arto; Paizs, Csaba; Tosa, Monica Ioana; Irimie, Florin-Dan; Kanerva, Liisa T.
Tetrahedron Asymmetry, 2011 , vol. 22, # 3 p. 315 - 322
98-03-3
2-噻吩甲醛
→
反应条件
60602-93-9
反应条件
1: aqueous ethanol; piperidine acetate 2: acetic acid anhydride; lead (II)-oxide View Scheme
参考文献
Miller; Nord
Journal of Organic Chemistry, 1951 , vol. 16, p. 1380,1386
98-03-3
2-噻吩甲醛
+
141-43-5
乙醇胺
→
反应条件
60705-32-0
反应条件
iodine; sodium hydrogencarbonate in tert-butyl alcohol T=70°C; 18 h;
参考文献
Ishihara, Midori; Togo, Hideo
Tetrahedron, 2007 , vol. 63, # 6 p. 1474 - 1480
98-03-3
2-噻吩甲醛
+
626-35-7
硝基乙酸乙酯
→
反应条件
60859-77-0
+
60859-84-9
反应条件
piperidine in toluene 4 h; RefluxInert atmosphereMolecular sieve; optical yield given as percent destereoselective reaction;
参考文献
Fioravanti, Stefania; Pellacani, Lucio; Vergari, Maria Cecilia
Organic and Biomolecular Chemistry, 2012 , vol. 10, # 3 p. 524 - 528
98-03-3
2-噻吩甲醛
+
99-57-0
2-氨基-4-硝基苯酚
→
反应条件
61382-23-8
反应条件
in ethanol 0.5 h; Ambient temperature;
参考文献
Haugwitz; Angel; Jacobs; Maurer; Narayanan; Cruthers; Szanto
Journal of Medicinal Chemistry, 1982 , vol. 25, # 8 p. 969 - 974
98-03-3
2-噻吩甲醛
+
2124-31-4
二甲氨基苯乙酮
→
反应条件
62105-58-2
反应条件
sodium hydroxide in ethanol Ambient temperature;
参考文献
Matsui, Masaki; Oji, Akira; Hiramatsu, Koichi; Shibata, Katsuyoshi; Muramatsu, Hiroshige
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1992 , # 2 p. 201 - 206
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