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Naphthoquinone derivatives from the fungusHendersonula toruloidea

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Summary

2 yellow naphthoquinone derivatives were isolated from several pathogenic strains ofHendersonula toruloidea Nattrass. They were identified as 2,7-dimethoxy-6-ethyl-5-hydroxy-1,4-naphthoquinone and 2,7-dimethoxy-5-hydroxy-6-(1-acetoxyethyl)-1,4-naphthoquinone by means of physico-chemical methods.

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References

  1. R. Howe and R.H. Moore, Experientia25, 474 (1969).

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  2. R.H. Thomson,Naturally Occurring Quinones, 2nd ed., p. 254. Academic Press, London 1971.

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  3. C.K. Campbell and J.L. Mulder, Sabouraudia15, 161 (1977).

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Authors and Affiliations

  1. Centraalbureau voor Schimmelcultures, P.O. Box 273, Baarn, The Netherlands

    G. W. van Eijk & H. J. Roeymans

Authors
  1. G. W. van Eijk
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  2. H. J. Roeymans
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Additional information

Thanks are due to Mr A.J.M. van Beijnen, Laboratory for Organic Chemistry, State University of Utrecht, for optical rotation measurements.

The authors are indebted to Mr C. Versluys, Analytical Laboratory, State University of Utrecht, for measuring the mass spectra.

We thank Mr J. W. Marsman, Institute for Organic Chemistry TNO, Utrecht, for the PMR-spectra.

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van Eijk, G.W., Roeymans, H.J. Naphthoquinone derivatives from the fungusHendersonula toruloidea. Experientia 34, 1257–1258 (1978). https://doi.org/10.1007/BF01981402

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