Abstract

A new indole alkaloid, pulveratinol (1), and two new anthranilic acid derivatives (2 and 3) were isolated from Indigo Pulverata Levis, together with 12 known compounds (4–15). The structures of the new compounds (1–3) were determined through spectroscopic methods. The absolute configuration of 1 was confirmed further by electronic circular dichroism (ECD) data analysis and computational method with advanced statistics (DP4). All isolated compounds (1–15) were evaluated for their potential neuroprotective effects through induction of nerve growth factor (NGF) in C6 glioma cells.

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