A novel and facile method of introducing 4-hydroxyl group into the aromatic ring of azabenzanthrone compounds was carried out by reacting azabenzanthrone compounds with hydrazine hydrate or hydroxylamine hydrochloride and sodium hydroxide in diethylene glycol(DEG) solvent.The mechanism of reaction may involve an amino intermediate and follow a hydroxyl substitution process.
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Sun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R China
Ning, Fang Xian
Weng, Xiang
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Sun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R China
Weng, Xiang
Huang, Shi Liang
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Sun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R China
Huang, Shi Liang
Gu, Li Jun
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Sun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R China
Gu, Li Jun
Huang, Zhi Shu
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Sun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R China
Huang, Zhi Shu
Gu, Lian Quan
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Sun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R ChinaSun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 51006, Guangdong, Peoples R China
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Nankai Univ, State Key Lab Elementoorgan Chem, Res Inst Elementoorgan Chem, Tianjin 300071, Peoples R ChinaNankai Univ, State Key Lab Elementoorgan Chem, Res Inst Elementoorgan Chem, Tianjin 300071, Peoples R China
Yu, Jun
Cui, Jian
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Nankai Univ, State Key Lab Elementoorgan Chem, Res Inst Elementoorgan Chem, Tianjin 300071, Peoples R ChinaNankai Univ, State Key Lab Elementoorgan Chem, Res Inst Elementoorgan Chem, Tianjin 300071, Peoples R China
Cui, Jian
Zhang, Chi
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Nankai Univ, State Key Lab Elementoorgan Chem, Res Inst Elementoorgan Chem, Tianjin 300071, Peoples R ChinaNankai Univ, State Key Lab Elementoorgan Chem, Res Inst Elementoorgan Chem, Tianjin 300071, Peoples R China