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Abstract
A new naphthoquinone derivative has been isolated, along with a number of prenylnaphthoquinone congeners, from the heartwood of Tectona grandis (Linn.). It was characterized as dehydro-α-isodunnione (1) by careful analysis of its spectral data.
Acknowledgements
The authors are thankful to the Head, RSIC, CDRI, Lucknow for spectral analysis. One of the authors (PKG) is thankful to CSIR, New Delhi for the award of SRF.