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US 6,297,363 B1Granted
Glycoside indoles
AssigneeNomura Co., Ltd.
InventorsMichinori Kubo, Masayuki Yoshikawa, Hideaki Matsuda, Hisashi Matsuda, Toshiyuki Murakami, Hiromi Shimada, Tetsuo Sakurama, Manabu Nomura
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Abstract
The present invention relates to a novel class of glycoside indoles. More specifically, the present invention relates to a novel class of glycoside indoles isolated from Calanthe discolor Lindl. and derivatives thereof.
Claims4
A compound 3-O-β-D-glucopyranosyl(1-6)-β-D-glucopyranosyl indole.
A compound 2-S-β-D-glucopyranosyl-3-O-β-D-glucopyranosyl-2-mercaptoindole.
A compound of the formula:
- wherein R is a β-D-glucopyranosyl(1-6)-β-D-glucopyranosyl moiety.
A compound of the formula:
- wherein R1 and R2 are β-D-glucopyranosyl moieties.
Dependencies are inferred from the claim text.