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- W2039059861 abstract "Fur die Herstellung des 4″-Amino-4″,6″-didesoxymaltotriosederivats 5, der O-geschutzten terminalen Trisaccharideinheit der Acarbose, wurden zwei Synthesewege entwickelt. Glycosidierung des 4′-ungeschutzten Maltosederivats 3 mit dem Trichloracetimidat 2 der 4-Azido-4,6-didesoxyglucose 1 lieferte die α- bzw. β-verknupften Trisaccharide 4 und 9, die in die O-geschutzten Aminozucker 5 und 10 ubergefuhrt werden. Auserdem wurde aus dem Phenylmaltotriosid 15 uber das 4″,6″-ungeschutzte Derivat 19 durch selektive Desoxygenierung und Azideinfuhrung 4 und 5 daraus erhalten.α-Glucosidases Inhibitors, 2. - Synthesis of Modified MaltotriosesTwo pathways were developed for the synthesis of the 4″-amino-4″,6″-didesoxymaltotriose derivative 5, the O-protected terminal trisaccharide unit of acarbose. Glycosidation of the 4′-unprotected maltose derivative 3 with the trichloroacetimidate 2 of 4-azido-4,6-dideoxyglucose 1 led to the α- and β-connected trisaccharides 4 and 9. They were transformed into the O-protected amino sugars 5 and 10. In addition, from phenyl maltotrioside 15 the 4″,6″-unprotected derivative 19 was obtained; selective deoxygenation and azide introduction also led to compound 4 and 5." @default.
- W2039059861 created "2016-06-24" @default.
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- W2039059861 date "1983-11-15" @default.
- W2039059861 modified "2023-09-27" @default.
- W2039059861 title "α-Glucosidasen-Inhibitoren, 2. Synthese von modifizierten Maltotriosen" @default.
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- W2039059861 doi "https://doi.org/10.1002/jlac.198319831106" @default.
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