Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Studies on the Syntheses of Tetracycline Derivatives. II. Thermolytic Cycloaddition of o-Quinodimethanes with Tetrahydronaphthoquinone and Naphthoquinone
TETSUJI KAMETANIMITSUHIRO TAKESHITAHIDEO NEMOTOKEIICHIRO FUKUMOTO
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1978 Volume 26 Issue 2 Pages 556-562

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Abstract
Tetrahydronaphthoquinone (8) and naphthoquinone reacted with the o-quinodimethanes, generated in situ from the benzocyclobutenes (7) and (14), to give the naphthacene-5, 12-quinone derivatives (9, 15 and 25).
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© The Pharmaceutical Society of Japan
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