Two New Alkaloid Galactosides from the Kernel of Prinsepia Uniflora

Overview

Journal Nat Prod Res

Specialty Biology

Date 2012 May 30

PMID 22640596

Citations 5

Authors

Haiyan Zhou

Runhuai Zhao

Junshan Yang

Affiliations

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Abstract

Two new alkaloid galactosides have been isolated from the kernel of Prinsepia uniflora. Their structures were elucidated as 5-[(α-D-galactopyranosyloxy) methyl]-1H-pyrrole-2-carbaldehyde (1) and 6-[(α-D-galactopyranosyloxy) methyl]-3-pyridinol (2) by various spectroscopic means including HR-ESI-MS, IR, 1D and 2D NMR. The determined structures were characterized with a unit of galactose which is rarely seen in the previously isolated pyrrole and pyridinol compounds.

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