Anthracyclinone syntheses using strong base induced cycloaddition of homophthalic anhydrides and related compounds |
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| Authors: | Yasumitsu Tamura Manabu Sasho Shuji Akai Akimori Wada Yasuyuki Kita |
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| Institution: | Faculty of Pharmaceutical Sciences, Osaka University 1-6, Yamada-oka, Suita, Osaka Japan |
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| Abstract: | The strong base induced cycloaddition of homophthalic anhydrides and related compounds to halo- 1,4-naphthoquinone derivatives has been shown to provide short convergent syntheses of anthracyclinones, 4-demethoxydaunomycinone (1), daunomycinone (2), 11-deoxydaunomycinone (3), and 11-deoxycarminomycinone (4). |
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