References
- Y. Nara and K. Tsujimura, Agric. Biol. Chem., 42, 793 (1978).
- H. Takahashi, Y. Nara, H. Meguro and K. Tsujimura, Agric. Biol. Chem., 43, 1439 (1979).
- H. Meguro, C. Takahashi, S. Matsui and H. Ohrui, Anal. Lett., 16, 1625 (1983).
- N. Takeyama, H. Ohrui and H. Meguro, manuscript in preparation.
- The application of ultrasound in organic synthesis is referred to in literature, S. Chew and R. J. Ferrier, J. Chem. Soc, Chem. Commun., 911 (1984).