反应条件
1.1: 4 h / 135 °C 2.1: methanesulfonic acid; phosphorous pentoxide / 4 h / 40 °C 3.1: methanol; potassium acetate / 0.25 h / Reflux 4.1: 4-(N,N-dimethlyamino)pyridine; triethylamine / dichloromethane / 12 h / 20 °C 5.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere 5.2: -78 - 20 °C / Inert atmosphere 6.1: tetrabutyl ammonium fluoride; water / ethyl acetate / 0.17 h / 20 °C 7.1: 10 palladium on activated charcoal; hydrogen; ethylenediamine / methanol / 1 h / 20 °C / 760.05 Torr View Scheme
参考文献
Petrov, Ognyan I.; Gerova, Mariana S.; Chanev, Christo D.; Petrova, Katya V.
Synthesis, 2011 , # 22 art. no. Z71911SS, p. 3711 - 3715
