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Synthesis 2016; 48(05): 761-764
DOI: 10.1055/s-0035-1560389
DOI: 10.1055/s-0035-1560389
paper
Synthesis of Mirabiquinone A: A Biquinone from the Sea Urchin Scaphechinus mirabilis and Related Compounds
Further Information
Publication History
Received: 30 September 2015
Accepted after revision: 20 November 2015
Publication Date:
20 January 2016 (online)
Abstract
The first total synthesis of mirabiquinone A (2,3,5,6,8,10,11,13-octahydroxy-7-methyl-1H-dibenzo[b,h]xanthene-1,4,9,12(7H)-tetraone) produced by the sea urchin Scaphechinus mirabilis is described. This was achieved by cyclization of 6,6′-ethylidenebis(7-hydroxy-2,3-dimethoxynaphthazarin) or its mono- or dimethoxy derivatives and functional group deprotection. The synthesis of methyl analogues of mirabiquinone A is also described.
Key words
6,6′-ethylidenebis(2,3,7-trihydroxynaphthazarin) - cyclization - mirabiquinone A - dibenzo[b,h]xanthenetetraone - sea urchin Scaphechinus mirabilisSupporting Information
- Supporting information for this article is available online at http://dx.doi.org/10.1055/s-0035-1560389.
- Supporting Information
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