参考文献

Sakakibara, Tohru; Ito, Shinji; Ikegawa, Hiroshi; Matsuo, Ichiro; Seta, Akinori Tetrahedron Letters, 1993, vol. 34, # 21 p. 3429 - 3432 doi: 10.1016/S0040-4039(00)79174-X