| 摘要 |
<p>The subject invention provides a bicyclic aminoimidazole, a hydroxyalkyl aminoimidazole, a bicyclic pyrrole, a hymenin, an aldehyde aminoimidazole, a ketal aminoimidazole, a tricyclic compound, and a tetrahydropurine, and processes for their preparation. These compounds are used in the synthesis of guanidine-based marine natural products possessing potent biological activities.</p> |
