title: Synthesis and alpha-D-glucosidase inhibitory activity of N-substituted valiolamine derivatives as potential oral antidiabetic agents.
abstract: Various kinds of N-substituted valiolamine derivatives, including compounds 23a, 24a, and 34a, which are structurally analogous to the key pseudodisaccharides (25a and 26a) of naturally occurring oligosaccharide alpha-D-glucosidase inhibitors, have been synthesized and estimated by the measure of inhibitory activity against porcine sucrase and maltase. The N-substituted valiolamine derivatives evaluated in this study have been found to be more potent than the corresponding N-substituted valienamine derivatives as well as the parent valiolamine. It is noteworthy that even simple N-substituted valiolamine derivatives such as N-[2-hydroxy-1-(hydroxymethyl)ethyl]-, N-[(1R,2R)-2-hydroxycyclohexyl]-, and N-[(R)-(-)-beta-hydroxyphenethyl]valiolamine (6, 8a, and 9a) have the stronger alpha-D-glucosidase inhibitory activity against porcine intestinal maltase and sucrase than naturally occurring oligosaccharide alpha-D-glucosidase inhibitors.
mesh_terms: D000818:Animals; D003511:Cyclohexanols / Q000138:chemical synthesis* / Q000494:pharmacology; D005959:Glucosidases / Q000037:antagonists & inhibitors*; D065089:Glycoside Hydrolase Inhibitors; D007004:Hypoglycemic Agents / Q000138:chemical synthesis* / Q000494:pharmacology; D007294:Inositol / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000494:pharmacology; D013237:Stereoisomerism; D013329:Structure-Activity Relationship; D013552:Swine; D050111:Imino Sugars
chemical_list: D003511:Cyclohexanols; D005959:Glucosidases; D065089:Glycoside Hydrolase Inhibitors; D007004:Hypoglycemic Agents; D007294:Inositol; C000596540:N-(2-hydroxycyclohexyl)valiolamine; C043270:valiolamine; D050111:Imino Sugars