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Echinobase
ECB-ART-41956
Nat Prod Commun 2011 Feb 01;62:217-22.
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Short and regiospecific synthesis of echinamine A--the pigment of sea urchin Scaphechinus mirabilis.

Polonik NS , Anufriev VP , Polonik SG .


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New convenient two-step synthesis of natural pigment echinamine A by the condensation of 2,3-dichloro-6-ethyl-7-hydroxy-1,4-naphthoquinone with sodium nitrite and subsequent reduction of intermediate 7-ethyl-2,5,6,8-tetrahydroxy-3-nitro-1,4-naphthoquinone has been developed.

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Genes referenced: LOC100887844