A practical synthesis from siastatin B of (3S,4S,5R,6R)- 4,5-dihydroxy-6-(trifluoroacetamido)piperidine-3-carboxylic acid having antimetastatic activity in mice.
The Journal of antibiotics, 47(1), 101-107 (1994-01-01)
A trifluoroacetamide analogue of siastatin B, (3S,4S,5R,6R)-6-(trifluoroacetamido)-4,5-dihydroxy-3-piperidine carboxylic acid has been chemically synthesized. This compound, as well as the previously synthesized analogue, (3R,4R,5R,6R)-6-(trifluoroacetamido)-3,4,5-trihydroxy-3-piperid inecarboxylic acid, showed marked inhibitory activity against beta-glucuronidase and significant inhibition of experimental pulmonary metastasis of the
Journal of medicinal chemistry, 40(16), 2626-2633 (1997-08-01)
L-Iduronic acid-type 1-N-iminosugars, (3R,4S,5R,6R)- and (3R,4S,5S,6R)-6-acetamido-4-amino-5-hydroxypiperidine-3-carboxylic acid (6 and 7, respectively), (3R,4S,5R,6R)-6-acetamido-4- guanidino-5-hydroxypiperidine-3-carboxylic acid (8), and (3R,4S,5R,6R)-4-amino- and -guanidino-5-hydroxy-6-(trifluoroacetamido) piperidine-3-carboxylic acid (9 and 10, respectively), were synthesized from siastatin B (1), isolated from Streptomyces culture, by the intramolecular Michael addition
The Journal of antibiotics, 45(10), 1662-1668 (1992-10-01)
N-Substituted derivatives of siastatin B have been obtained by a chemical modification. Some derivatives showed potent inhibitory activities against Streptococcus sp. and Clostridium perfringens neuraminidases.
N-Alkyl-3-decarboxy-3-hydroxymethylsiastatin B, N-alkyl analogues of gem-diamine 1-N-iminosugars, is a new family of glycosidase inhibitors that have been synthesized from siastatin B isolated from Streptomyces culture. These compounds were evaluated as glycosidase inhibitors.
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