反应条件
1: 76 percent / CrO3 / acetone / 0 °C 2: tetrahydrofuran / -30 °C 3: oxalyl chloride, DMSO / CH2Cl2 / -70 °C 4: 29 percent / Et3N / acetonitrile / 38000 Torr / a.) 70 deg C, 3 h, b.) 150 deg C, 0.5 h View Scheme
参考文献
Inoue, Y.; Ohuchi, K.; Imaizumi, S.; Hagiwara, H.; Uda, H.
Synthetic Communications, 1990 , vol. 20, # 19 p. 3063 - 3068
