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(searched for: "10.5155/eurjchem.2.2.272-275.359")
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Swapna Kokkirala, Narayana Murthy Sabbavarapu, Venkata Durga Nageswar Yadavalli
European Journal of Chemistry, Volume 2, pp 272-275; doi:10.5155/eurjchem.2.2.272-275.359

Abstract: An experimentally simple, efficient Michael addition reaction was developed for the synthesis of various 1,8-dioxooctahydroxanthene derivatives with 1,3-cyclohexanedione/5,5-dimethyl 1,3-cyclohexane dione and different aldehydes by using β-cyclodextrin as a catalyst in water. A biomimetic approach was employed and the corresponding products were obtained in good to excellent yields. β-cyclodextrin can be recovered and reused upto four cycles without loss of catalytic activity.
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