ethanol; boron trifluoride diethyl etherate in nitromethane
T=20°C; 12 h; 3-oxobutylation also of substituted thiophenes, temperature also 100 deg C, reaction time varied; Product distribution;
参考文献
Dujardin, Gilles; Poirier, Jean-Marie
Bulletin de la Societe Chimique de France, 1994 , vol. 131, p. 900 - 909
1: 79 percent / 33percent NaOH / H2O / 4 h / Ambient temperature
2: 71 percent / Se, H2O, DBU, CO / tetrahydrofuran / 24 h / 50 °C
View Scheme
参考文献
Nishiyama, Yutaka; Makino, Yasuhiko; Hamanaka, Sawako; Ogawa, Akiya; Sonoda, Noboru
Bulletin of the Chemical Society of Japan, 1989 , vol. 62, # 5 p. 1682 - 1684