1.1: Ac2O / 2 h / 55 °C
1.2: CH2Cl2 / 2 h / 20 °C
2.1: 77 percent / POCl3; Et3N / tetrahydrofuran / 2 h / 0 °C
View Scheme
参考文献
Elders, Niels; Schmitz, Rob F.; De Kanter, Frans J. J.; Ruijter, Eelco; Groen, Marinus B.; Orru, Romano V. A.
Journal of Organic Chemistry, 2007 , vol. 72, # 16 p. 6135 - 6142