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Communication | Special issue | Vol 5, No. 1, 1976, pp.167-171
Published online, 1st January, 1970
DOI: 10.3987/S-1976-01-0167
■ Synthesis of 1-Hydroxy-4,6-dimethoxy-8-methylxanthone

Tetsuzo Kato,* Nobuya Katagiri, and Jun Nakano

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan

Abstract

1-Hydroxy-4,6-dimethoxy-8-methylxanthone (VII), namely an isomer of lichexanthone (IIIb) was synthesized from ethyl orsellinate, which is readily prepared from diketene and ethyl acetoacetate.