1: 70 percent / Et3N / CH2Cl2 / 12 h / 20 °C
2: 80.5 percent / tetra-n-butylammonium tetrafluoroborate / dioxane / 0.5 h / 20 °C
View Scheme
参考文献
Katritzky, Alan R.; Saba, Antonio; Patel, Ranjan C.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 1492 - 1494
sodium hydrogencarbonate in 1,4-dioxane
6 h; Heating;
参考文献
Barbera, Joaquin; Puig, Laura; Romero, Pilar; Serrano, Jose Luis; Sierra, Teresa
Journal of the American Chemical Society, 2006 , vol. 128, # 13 p. 4487 - 4492