首页> 外文期刊>Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry >CompX, a luciferin-related tyrosine derivative from the bioluminescent earthworm Fridericia heliota. Structure elucidation and total synthesis
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CompX, a luciferin-related tyrosine derivative from the bioluminescent earthworm Fridericia heliota. Structure elucidation and total synthesis

机译:CompX,来自生物发光earth Fridericia heliota的萤光素相关酪氨酸衍生物。结构阐明和全合成

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摘要

A luciferin analog, CompX, was isolated from the extracts of the bioluminescent earthworm Fridericia heliota. Its structure was determined as (Z)-5-(2-carboxy-2-methoxyvinyl)-2-hydroxybenzoic acid by spectroscopic data analysis and was confirmed by total synthesis. The (Z)-configuration of the double bond was established by comparing the ROESY spectra of CompX with those of its synthetic (E)-isomer. CompX represents a tyrosine analog, not previously found in natural sources, and is probably derived from tyrosine by deamination, O-methylation of the resulting alpha-keto acid, and carboxylation at the aromatic core.
机译:从生物发光earthFridericia heliota的提取物中分离出萤光素类似物CompX。通过光谱数据分析确定其结构为(Z)-5-(2-羧基-2-甲氧基乙烯基)-2-羟基苯甲酸,并通过全合成证实。通过比较CompX的ROESY光谱与其合成的(E)异构体的ROESY光谱,可以确定双键的(Z)构型。 CompX代表酪氨酸类似物,以前在天然来源中未发现,并且可能是通过脱氨,所得α-酮酸的O-甲基化以及芳族核心的羧化作用而衍生自酪氨酸的。

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