in toluene addn. of CNt-Bu to a soln. of the iron complex, stirring at room temp. for 6 h, condensing the volatiles into a flask cooled by liquid nitrogen and containing maleic acid anhydride, refluxing the flask for 3 h; removal of the volatiles in vacuo, mass spectroscopy;
1.1: acetic anhydride / acetic acid / 0.33 h / 110 °C 1.2: 30 h / 110 °C 1.3: 1 h / 70 °C 2.1: methanol; potassium carbonate / 20 h / 20 °C 3.1: PCC-alumina / hexane / 20 °C 4.1: magnesium / tetrahydrofuran 4.2: 0.5 h / 0 °C 4.3: 1.58 h / -78 °C 5.1: ethylaluminum dichloride / hexane; 1,2-dichloro-ethane / 1.5 h / 20 - 55 °C View Scheme
参考文献
Advanced Synthesis and Catalysis, , vol. 352, # 18 p. 3419 - 3430
1.1: acetic anhydride / acetic acid / 0.33 h / 110 °C 1.2: 30 h / 110 °C 1.3: 1 h / 70 °C 2.1: methanol; potassium carbonate / 20 h / 20 °C 3.1: PCC-alumina / hexane / 20 °C 4.1: copper(l) iodide / tetrahydrofuran; hexane / 0.25 h / -5 °C 4.2: 2 h / -78 °C 5.1: ethylaluminum dichloride / hexane; 1,2-dichloro-ethane / 1.5 h / 55 °C View Scheme
参考文献
Advanced Synthesis and Catalysis, , vol. 352, # 18 p. 3419 - 3430
1.1: acetic anhydride / acetic acid / 0.33 h / 110 °C 1.2: 30 h / 110 °C 1.3: 1 h / 70 °C 2.1: methanol; potassium carbonate / 20 h / 20 °C 3.1: PCC-alumina / hexane / 20 °C 4.1: magnesium / tetrahydrofuran 4.2: 0.5 h / 0 °C 4.3: 1.58 h / -78 °C 5.1: ethylaluminum dichloride / hexane; 1,2-dichloro-ethane / 1.5 h / 55 °C View Scheme
参考文献
Advanced Synthesis and Catalysis, , vol. 352, # 18 p. 3419 - 3430