- 1) Thakur, R. S. and Srivastava, S. K., Berberine-Chemistry, Distribution and Uses: a Review. Curr. Res. Med. Aromat. Plants., 4, 249-272 (1982).
- 2) Iwasa, K., Kamigauchi, M., Ueki, M., and Taniguchi, M., Antibacterial activity and structure-activity relationships of berberine analogs. Eur. J. Med. Chem., 31, 469-478 (1996).
- 3) Iwasa, K., Kamigauchi, M., Sugiura, M., and Nanba, H., Antimicrobial activity of some 13-alkyl substituted protoberberinium salts. Planta Med., 63, 196-198 (1997).
- 4) Iwasa, K., Nanba, H., Lee, D.-U., and Kang, S.-I., Structure-activity relationships of protoberberines having antimalarial activity. Planta Med., 64, 1-4 (1998).
- 5) Iwasa, K., Lee, D.-U., Kang, S.-I., and Wiegrebe, W., Antimicrobial activity of 8-alkyl- and 8-phenyl-substituted berberines and their 12-bromo derivatives. J. Nat. Prod., 61, 1150-1153 (1998).
- 6) Iwasa, K., Kim, H.-S., Wataya, Y., and Lee, D.-U., Antimalarial activity and structure-activity relationships of protoberberine alkaloids. Eur. J. Med. Chem., 33, 65-69 (1998).
- 7) Iwasa, K., Nishiyama, Y., Ichimaru, M., Moriyasu, M., Kim, H.-S., Wataya, Y., Yamori, T., Turuo, T., and Lee, D.-U., Structure-activity relationships of quaternary protoberberine alkaloids having an antimalarial activity. Eur. J. Med. Chem., 34, 1077-1083 (1999).
- 8) Iwasa, K., Chinnasamy, P., and Shamma, M., Reduction-oxidation of berberine N-oxides with aerated sodium in liquid ammonia. J. Org. Chem., 46, 1378-1383 (1981).
- 9) Pijls, C. F. N., Shaw, M. W., and Paker, A., A rapid test to evaluate in vitro sensitivity of Septoria tritici to flutriafol, using a microtitre plate reader. Plant Pathology, 43, 726-732 (1994).
Bioscience, Biotechnology, and Biochemistry
Volume 64, 2000 - Issue 9