1. 1) B. M. Trost and L. S. Melvin, Jr. Sulfur Ylides, Academic Press New York (1975).
2. 2) E. Block, Reactions of Organosulfur Compounds, p. 91, Academic Press New York (1978).
3. 3) S. Oae, Yuuki Iou Kagaku (Reaction Mechanism) p. 405 Tokyo Kagakudouzinn (1982) [in Japanese].
4. 4) S. Oae, Yuuki Iou Kagaku (Synthetic Reaction) p. 247 Tokyo Kagakudouzinn (1982) [in Japanese].
5. 5) K. Makita, F. Ando, and J. Koketsu, Nipponn Kagaku Kaisi, 573 (2001).