Synthesis of valiolamine and its N-substituted derivatives AO-128, validoxylamine G, and validamycin G via branched-chain inosose derivatives
Autor: | Hiroshi Fukase, Satoshi Horii |
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Rok vydání: | 1992 |
Předmět: | |
Zdroj: | The Journal of Organic Chemistry. 57:3651-3658 |
ISSN: | 1520-6904 0022-3263 |
Popis: | Novel synthetic routes to valiolamine (1a) and N-substituted valiolamine derivatives via branched-chain inosose derivatives are described. (1S)-(1(OH),2,4/1,3)-2,3,4-tri-O-benzyl-1-C- [(benzyloxy)methyl]-5-oxo-1,2,3,4-cyclohexanetetrol (3), a branched-chain inosose derivative prepared from D-glucose,has been converted into 1a via a ketoxime followed by hydrogenation. N-Substituted valiolamine derivatives having strong α-D-glucosidase inhibitory activity have been synthesized by the direct reductive amination of the branched-chain inosose derivative 3 with an appropriate amino compound to construct the N-substituent moiety,followed by removal of the O-benzyl protecting group |
Databáze: | OpenAIRE |
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