摘要:
The epipodophyllotoxin glucosides disclosed are acylated at herein one or both sugar hydroxyl groups. These compounds exhibit significant activity against P388 murine leukemia.
摘要:
Novel cyclic orthoesters and orthocarbonates of 4'-demethylepipodophyllotoxin glucoside are disclosed in the present invention. These compounds are active against experimental murine P388 leukemia.
摘要:
The present invention concerns neutral sugar derivatives of pradimicins, their use as antifungal agents, methods for their preparation, and intermediates for their synthesis.
摘要:
The present invention concerns neutral sugar derivatives of pradimicins, their use as antifungal agents, methods for their preparation, and intermediates for their synthesis.
摘要:
A new antitumor antibiotic designated herein as BU-3862T is produced by fermentation of Streptomyces hygroscopicus ATCC 53709. BU-3862T and its diacetyl and dihydro derivatives inhibit the growth of tumors in experimental animals.
摘要:
The present invention relates to the antitumor antibiotic compound BU-3285T and its preparation. The compound is obtained by culturing a new strain of Chainia rosea and demonstrates both antitumor and antifungal activity. It also relates to the desulfated derivative of BU-3285T which is obtained by treatment of BU-3285T with sulfatase enzyme. BU-3285T desulfate possesses antitumor activity.
摘要:
The present invention relates to the antitumor antibiotic compound BU-3285T and its preparation. The compound is obtained by culturing a new strain of Chainia rosea and demonstrates both antitumor and antifungal activity. It also relates to the desulfated derivative of BU-3285T which is obtained by treatment of BU-3285T with sulfatase enzyme. BU-3285T desulfate possesses antitumor activity.
摘要:
The compound 3,7-dihydroxytropolone having the formula ##STR1## is produced by fermentation of Streptomyces tropolofaciens and is found to inhibit the growth of mammalian tumors.