- Synthesis of cardiac glycoside analogs by catalyst-controlled, regioselective glycosylation of digitoxin.
Synthesis of cardiac glycoside analogs by catalyst-controlled, regioselective glycosylation of digitoxin.
Organic letters (2013-03-08)
Thomas M Beale, Mark S Taylor
PMID23465047
RESUMEN
The cardiac glycoside natural product digitoxin was selectively glycosylated at one of its five hydroxyl groups using a borinic acid derived catalyst. This method provided access to the glycosylation pattern characteristic of a subclass of natural products from Digitalis purpurea. Variation of the glycosyl donor was tolerated, enabling the synthesis of novel cardiac glycoside analogs from readily available materials.
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Digitoxin, European Pharmacopoeia (EP) Reference Standard
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