A cascade Stetter-aldol reaction of phthalaldehyde and Michael acceptors catalyzed by N-heterocyclic carbenes was developed. The corresponding 3-substituted-4-hydroxytetralones were obtained in moderate to good yields with good trans-selectivities. On the contrary, the separated Stetter reaction followed by aldol reaction gave 3-substituted-4-hydroxytetralones with good cis-selectivity. Oxidation or dehydration of the resulted 4-hydroxytetralone gave the corresponding naphthalenediol or naphthol derivative, respectively, in good yield.
机构:
International Research Center for Elements Science, Institute for Chemical Research, Kyoto University, Uji, KyotoInternational Research Center for Elements Science, Institute for Chemical Research, Kyoto University, Uji, Kyoto
Hatakeyama T.
Ishizuka K.
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International Research Center for Elements Science, Institute for Chemical Research, Kyoto University, Uji, KyotoInternational Research Center for Elements Science, Institute for Chemical Research, Kyoto University, Uji, Kyoto
Ishizuka K.
Nakamura M.
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International Research Center for Elements Science, Institute for Chemical Research, Kyoto University, Uji, KyotoInternational Research Center for Elements Science, Institute for Chemical Research, Kyoto University, Uji, Kyoto
机构:
Jiangsu Normal Univ, Sch Chem & Mat Sci, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R ChinaJiangsu Normal Univ, Sch Chem & Mat Sci, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R China
Li, Sha
Xu, Jiayu
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Jiangsu Normal Univ, Sch Chem & Mat Sci, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R ChinaJiangsu Normal Univ, Sch Chem & Mat Sci, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R China
Xu, Jiayu
Luo, Xian
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Jiangsu Normal Univ, Sch Chem & Mat Sci, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R ChinaJiangsu Normal Univ, Sch Chem & Mat Sci, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R China
Luo, Xian
Yang, Wenhan
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Jiangsu Normal Univ, Sch Chem & Mat Sci, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R ChinaJiangsu Normal Univ, Sch Chem & Mat Sci, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R China
Yang, Wenhan
Yao, Changsheng
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Jiangsu Normal Univ, Sch Chem & Mat Sci, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R ChinaJiangsu Normal Univ, Sch Chem & Mat Sci, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R China