1. Laboratory of Bioorganic Chemistry, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, 183 Japan;2. Laboratory of Applied Biology, Kyoto Prefectural University, Shimogamo, Kyoto, 606 Japan
Abstract:
O6-Substituted guanine and hypoxanthine derivatives were prepared and tested for their cytokinin activity by the tobacco callus, radish cotyledons and lettuce seed bioassay systems. The results indicated that some derivatives of both types possess cytokinin activity.