Pseudoaglycones of LL-E33288 antibiotics

摘要

Degradation products, termed pseudaglycones, of LL-E33288, BBM-1675, FR-900405, FR-900406, PD 114759, PD 115028, CL-1577A, CL-1577B, CL-1577D, CL-1577E and CL-1724 antibiotics/antitumor agents are disclosed anad described.