| 摘要 |
The present invention provides methods of producing compounds with enhanced desirable properties and diminished side effects as well as the compounds produced by the methods. In preferred embodiments, methods of the present invention use a universal chemical glycosylation method that employs reducing sugars and requires no protection or activation. In a preferred embodiment, the invention provides neoglycoside digitoxin analogs that include compounds with significantly enhanced cytotoxic potency toward human cancer cells and tumor-specificity, but are less potent Na+/K+-ATPase inhibitors in a human cell line than digitoxin.
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