Australian Journal of Chemistry

Pigments of marine animals. IX. A synthesis of 6-Acetyl-2, 3, 5, 7-tetrahydroxy-1, 4-naphthoquinone; Its status as an echinoid pigment

JH Gough, MD Sutherland

Index: Gough,J.H.; Sutherland,M.D. Australian Journal of Chemistry, 1970 , vol. 23, p. 1839 - 1846

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Citation Number: 2

Abstract

Abstract 6-Acetyl-2, 3, 5, 7-tetrahydroxy-1, 4-naphthoquinone (1) is obtained from 1, 2, 3, 4, 5, 7-hexaacetoxynaphthalene by Fries rearrangement, hydrolysis, and oxidation, but differs in properties from the substance described in the literature as a spine pigment of Echinothrix diadema Linn., E. calamaris Pallis, and Echinometra oblonga Blainville and claimed to be (1). The synthetic quinone (1) is very probably identical with Lederer's spinochrome G ...