参考文献

Yoo, Byung-Woo; Lee, Sung-Jae; Choi, Kwang-Hyun; Keum, Sam-Rok; Ko, Jae-Jung; Choi, Kyung-Il; Kim, Joong-Hyup Tetrahedron Letters, 2001 , vol. 42, # 41 p. 7287 - 7289