Document Type

Article

Date of Original Version

2016

DOI

10.1021/acs.orglett.6b00461

Abstract

Rhizoleucinoside (1), a unique rhamnolipid–amino alcohol hybrid, was isolated from the rhizobial symbiont bacterium Bradyrhizobium sp. BTAi1. Compound 1 features a rare rhamnolipid core attached to an unprecedented leucinol moiety. Its structure and absolute configuration were determined by spectroscopic analysis, tandem mass spectrometry, chemical degradation, and application of the Marfey’s method. Compound 1 possesses moderate cytotoxicity to BV-2 murine microglia and highly aggressive proliferating immortalized (HAPI) rat microglia cells.

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