The structure determination of simonyellin—a new lichen naphthopyran

Elix, John A.; Wardlaw, Judith H.

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The structure determination of simonyellin—a new lichen naphthopyran

Date

1995

Authors

Elix, John A.

Wardlaw, Judith H.

Abstract

The structure of simonyellin(5, 9-dihydroxy-4-methoxy-7-methyl-1H, 6H-naphtho[1, 8-cd]pyran-1, 6-dione), a naphthopyran from the lichen Simonyella variegata Steiner, has been established by X-ray structure analysis of a corresponding tetraacetate derivative.Crystals of simonyellin tetraacetate are triclinic, Pī, a 10.974(2), b 11.282(3), c 20.634(3)Å,α92.23(2)°,β100.03(1)°,γ 117.80(2)°; Z 4.Refinement of 2754 data with I > 3σ(I) gave conventional R factors of 0.043 and 0.034.

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https://dspace-test.anu.edu.au/handle/1885/733744022

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DevOps Pure Testing

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Australian Journal of Chemistry

Type

Article

DOI

10.1071/CH9952035

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The structure determination of simonyellin—a new lichen naphthopyran

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